Gamma-ray Burst 191024A

(All information courtesy of the instrument teams.)

Previous IAU Circulars

none

Results of Observations

GCN/BACODINE POSITION NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 04:43:13 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     931242,   Seg_Num: 0
GRB_RA:           10.147d {+00h 40m 35s} (J2000),
                  10.355d {+00h 41m 25s} (current),
                   9.621d {+00h 38m 29s} (1950)
GRB_DEC:         -67.139d {-67d 08' 21"} (J2000),
                 -67.031d {-67d 01' 50"} (current),
                 -67.414d {-67d 24' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       1728 [cnts]    Image_Peak=135 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       18129 [cnts]
BKG_TIME:        16960.19 SOD {04:42:40.19} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18780 TJD;   297 DOY;   19/10/24
GRB_TIME:        16972.61 SOD {04:42:52.61} UT
GRB_PHI:         -171.75 [deg]
GRB_THETA:        25.59 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.18 [sigma]
IMAGE_SIGNIF:    8.68 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  -1  +0  +0 +17  +0 
SUN_POSTN:       208.37d {+13h 53m 29s}  -11.64d {-11d 38' 23"}
SUN_DIST:        100.24 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.04d {+10h 36m 10s}  +13.33d {+13d 19' 51"}
MOON_DIST:       122.46 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.95 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 212.12,19.29 [deg].

red DSS finding chart ps-file

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 04:48:07 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     16629759,   Seg_Num: 0
GRB_RA:           10.147d {+00h 40m 35s} (J2000),
                  10.355d {+00h 41m 25s} (current),
                   9.621d {+00h 38m 29s} (1950)
GRB_DEC:         -67.139d {-67d 08' 21"} (J2000),
                 -67.031d {-67d 01' 50"} (current),
                 -67.414d {-67d 24' 48"} (1950)
GRB_DATE:        18780 TJD;   297 DOY;   19/10/24
GRB_TIME:        16972.61 SOD {04:42:52.61} UT
TRIGGER_INDEX:   124
GRB_PHI:         -171.75 [deg]
GRB_THETA:        25.59 [deg]
DELTA_TIME:      343.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
LC_URL:          sw00931242000msb.lc
SUN_POSTN:       208.38d {+13h 53m 30s}  -11.64d {-11d 38' 27"}
SUN_DIST:        100.23 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.09d {+10h 36m 22s}  +13.31d {+13d 18' 53"}
MOON_DIST:       122.46 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.95 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        WARNING: No BAT_Position TDRSS message was received for this trigger_number!  
COMMENTS:           
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 212.12,19.29 [deg].  
COMMENTS:        The 3rd packet (of 3) was missing in the lightcurve data stream.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:02:29 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     931242,   Seg_Num: 0
POINT_RA:         10.148d {+00h 40m 35s} (J2000)
POINT_DEC:       -67.138d {-67d 08' 18"} (J2000)
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17801.71 SOD {04:56:41.71} UT,   829.1 [sec] since BAT Trigger Time
COUNTS:          1    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        0    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:04:21 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 0
POINT_RA:         10.147d {+00h 40m 35s} (J2000)
POINT_DEC:       -67.138d {-67d 08' 16"} (J2000)
POINT_ROLL:      198.143d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17805.30 SOD {04:56:45.30} UT,   832.7 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        1.476
N_STARS:         44
X_OFFSET:        474 [pixels]
Y_OFFSET:        527 [pixels]
X_MAX:           1433 [pixels]
Y_MAX:           1486 [pixels]
DET_THRESH:      10
PHOTO_THRESH:    5
SL_URL:          sw00931242000msufc0832.fits
SUN_POSTN:       208.39d {+13h 53m 33s}  -11.65d {-11d 38' 41"}
SUN_DIST:        100.23 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.25d {+10h 37m 00s}  +13.26d {+13d 15' 39"}
MOON_DIST:       122.44 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.96 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:04:38 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 0
POINT_RA:         10.147d {+00h 40m 35s} (J2000)
POINT_DEC:       -67.138d {-67d 08' 16"} (J2000)
POINT_ROLL:      198.143d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17805.30 SOD {04:56:45.30} UT,   832.7 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        1.476
N_STARS:         44
X_OFFSET:        474 [pixels]
Y_OFFSET:        527 [pixels]
X_MAX:           1433 [pixels]
Y_MAX:           1486 [pixels]
DET_THRESH:      10
PHOTO_THRESH:    5
SL_URL:          sw00931242000msufc0832.fits
SUN_POSTN:       208.39d {+13h 53m 33s}  -11.65d {-11d 38' 41"}
SUN_DIST:        100.23 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.25d {+10h 37m 01s}  +13.26d {+13d 15' 36"}
MOON_DIST:       122.44 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.96 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:05:37 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 0
POINT_RA:         10.147d {+00h 40m 35s} (J2000)
POINT_DEC:       -67.138d {-67d 08' 16"} (J2000)
ROLL:            198.143d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17805.30 SOD {04:56:45.30} UT,   832.7 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     593585829
X_OFFSET:        793 [pixels]
Y_OFFSET:        846 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       953
Y_GRB_POS:       1006
BINNING_INDEX:   1
IM_URL:          sw00931242000msuni0856.fits
SUN_POSTN:       208.39d {+13h 53m 33s}  -11.65d {-11d 38' 42"}
SUN_DIST:        100.23 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.26d {+10h 37m 03s}  +13.26d {+13d 15' 24"}
MOON_DIST:       122.44 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.96 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:05:43 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 0
POINT_RA:         10.147d {+00h 40m 35s} (J2000)
POINT_DEC:       -67.138d {-67d 08' 16"} (J2000)
ROLL:            198.143d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17805.30 SOD {04:56:45.30} UT,   832.7 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     593585829
X_OFFSET:        793 [pixels]
Y_OFFSET:        846 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       953
Y_GRB_POS:       1006
BINNING_INDEX:   1
IM_URL:          sw00931242000msuni0856.fits
SUN_POSTN:       208.39d {+13h 53m 33s}  -11.65d {-11d 38' 42"}
SUN_DIST:        100.23 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.26d {+10h 37m 03s}  +13.26d {+13d 15' 23"}
MOON_DIST:       122.44 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.57,-49.96 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.54,-60.77 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:06:02 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     931242,   Seg_Num: 0
GRB_RA:           10.1171d {+00h 40m 28.10s} (J2000),
                  10.3246d {+00h 41m 17.91s} (current),
                   9.5904d {+00h 38m 21.69s} (1950)
GRB_DEC:         -67.1433d {-67d 08' 35.8"} (J2000),
                 -67.0348d {-67d 02' 05.1"} (current),
                 -67.4176d {-67d 25' 03.3"} (1950)
GRB_ERROR:       5.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17810.00 SOD {04:56:50.00} UT,   837.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       208.39d {+13h 53m 33s}  -11.65d {-11d 38' 43"}
SUN_DIST:        100.22 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.27d {+10h 37m 04s}  +13.26d {+13d 15' 19"}
MOON_DIST:       122.44 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.59,-49.95 [deg] galactic lon,lat of the burst
ECL_COORDS:      321.52,-60.76 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.

GCN Circular #26063
K. L. Page (U Leicester), J.D. Gropp (PSU), N. J. Klingler (PSU), D. M. Palmer (LANL) and A. Tohuvavohu (Toronto) report on behalf of the Neil Gehrels Swift Observatory Team:
At 04:42:52 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 191024A (trigger=931242). Swift slewed to the burst after a delay to clear the Earth limb observing constraint. The BAT on-board calculated location is RA, Dec 10.147, -67.139 which is
```
   RA(J2000) = 00h 40m 35s
   Dec(J2000) = -67d 08' 21"
```
with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). The first 8 seconds of the BAT light curve showed a FRED structure structure with an extrapolated duration of about 12 sec. (Further light curve data will not be available until the full dataset is downlinked to the ground.) The peak count rate was ~2000 counts/sec (15-350 keV), at ~0 sec after the trigger.
The XRT began observing the field at 04:56:41.7 UT, 829.1 seconds after the BAT trigger. Using promptly downlinked data we find an uncatalogued X-ray source located at RA, Dec 10.11387, -67.14323 which is equivalent to:
```
   RA(J2000)  = 00h 40m 27.33s
   Dec(J2000) = -67d 08' 35.6"
```
with an uncertainty of 4.5 arcseconds (radius, 90% containment). This location is 48 arcseconds from the BAT onboard position, within the BAT error circle. This position may be improved as more data are received; the latest position is available at http://www.swift.ac.uk/sper. We cannot determine whether the source is fading at the present time. No spectrum from the promptly downlinked event data is yet available to determine the column density.
UVOT took a finding chart exposure of 150 seconds with the White filter starting 832 seconds after the BAT trigger. No credible afterglow candidate has been found in the initial data products. The 2.7'x2.7' sub-image covers 100% of the XRT error circle. The typical 3-sigma upper limit has been about 19.6 mag. The 8'x8' region for the list of sources generated on-board covers 100% of the XRT error circle. The list of sources is typically complete to about 18 mag. No correction has been made for the expected extinction corresponding to E(B-V) of 0.02.
Burst Advocate for this burst is K. L. Page (klp5 AT leicester.ac.uk). Please contact the BA by email if you require additional information regarding Swift followup of this burst. In extremely urgent cases, after trying the Burst Advocate, you can contact the Swift PI by phone (see Swift TOO web site for information: http://www.swift.psu.edu/)

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 05:25:52 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     931242,   Seg_Num: 0
GRB_RA:           10.1141d {+00h 40m 27.38s} (J2000),
                  10.3216d {+00h 41m 17.19s} (current),
                   9.5873d {+00h 38m 20.96s} (1950)
GRB_DEC:         -67.1431d {-67d 08' 35.1"} (J2000),
                 -67.0346d {-67d 02' 04.4"} (current),
                 -67.4174d {-67d 25' 02.6"} (1950)
GRB_ERROR:       3.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  17810.00 SOD {04:56:50.00} UT,   837.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       208.40d {+13h 53m 36s}  -11.65d {-11d 39' 00"}
SUN_DIST:        100.21 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      159.46d {+10h 37m 51s}  +13.19d {+13d 11' 22"}
MOON_DIST:       122.42 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      304.59,-49.95 [deg] galactic lon,lat of the burst
ECL_COORDS:      321.52,-60.76 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        This is an Update Notice -- the RA,Dec values herein supersede the previous XRT_POS Notice.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.

GCN Circular #26064
A.P. Beardmore, P.A. Evans, M.R. Goad and J.P. Osborne (U. Leicester) report on behalf of the Swift-XRT team.
Using 839 s of XRT Photon Counting mode data and 1 UVOT images for GRB 191024A, we find an astrometrically corrected X-ray position (using the XRT-UVOT alignment and matching UVOT field sources to the USNO-B1 catalogue): RA, Dec = 10.11473, -67.14506 which is equivalent to:
```
RA (J2000): 00h 40m 27.53s
Dec (J2000): -67d 08' 42.2"
```
with an uncertainty of 2.4 arcsec (radius, 90% confidence).
This position may be improved as more data are received. The latest position can be viewed at http://www.swift.ac.uk/xrt_positions. Position enhancement is described by Goad et al. (2007, A&A, 476, 1401) and Evans et al. (2009, MNRAS, 397, 1177).
This circular was automatically generated, and is an official product of the Swift-XRT team.
GCN Circular #26065
V. Lipunov, E. Gorbovskoy, V.Kornilov, F.Balakin,N.Tyurina,P.Balanutsa,A.Kuznetsov, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov,V.Senik, T.Pogrosheva, K.Pozdnyakov,A.Chasovnikov, V.Topolev, D.Kuvshinov(Lomonosov Moscow State University, SAI,Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile(Observatorio Astronomico FelixAguilar OAFA), H.Levato(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias), D. Buckley(South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova(Irkutsk State University, API), A. Tlatov, D. Dormidontov(Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko(Blagoveschensk Educational State University)
MASTER-OAFA (MASTER Global Robotic Net http://observ.pereplet.ru, Lipunov et al.,2010,Advances in Astronomy, vol.2010, 30L) located in Argentina (OAFA observatory of San Juan National University) was pointed to the SWIFT GRB191024A (Page et al.GCN #26063, Beardmore et al. GCN 26064 trigger No 931242, XRT R.A.Dec(2000)=00h 40m 27.53s -67d 08' 42.2") errorbox 37 sec after trigger time at 2019-10-24 04:43:29 UT, with upper limit up to 14.4 on 10s images (18.2 mag on 1800s sum) There is no OT on first images.
The observations began at zenith distance = 38 deg. The sun altitude was -47.1 deg.
The galactic latitude b = -60 deg., longitude l = 98 deg.
Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/event.php?id=1175693
We obtained the following upper limits:
```
Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

       42 |         MASTER-OAFA |   C |    10 | 14.4 |
       83 |         MASTER-OAFA |   C |    10 | 13.8 |
      131 |         MASTER-OAFA |   C |    20 | 14.5 |
      187 |         MASTER-OAFA |   C |    30 | 14.6 |
      237 |         MASTER-OAFA |   C |   130 | 15.3 |  Coadd
      253 |         MASTER-OAFA |   C |    40 | 14.3 |
      335 |         MASTER-OAFA |   C |    60 | 14.9 |
      436 |         MASTER-OAFA |   C |    80 | 15.6 |
      546 |         MASTER-OAFA |   C |   300 | 16.1 |  Coadd
      558 |         MASTER-OAFA |   C |   100 | 15.2 |
      700 |         MASTER-OAFA |   C |   120 | 15.4 |
      866 |         MASTER-OAFA |   C |   150 | 16.3 |
     1873 |         MASTER-OAFA |   C |  1800 | 17.7 |  Coadd
     6099 |         MASTER-OAFA |   C |  1800 | 18.2 |  Coadd
```
Reduction will be continued. The message may be cited.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:40:41 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
POINT_ROLL:      208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  41773.01 SOD {11:36:13.01} UT,   24800.4 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        0.953
N_STARS:         107
X_OFFSET:        270 [pixels]
Y_OFFSET:        216 [pixels]
X_MAX:           1229 [pixels]
Y_MAX:           1175 [pixels]
DET_THRESH:      8
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc24800.fits
SUN_POSTN:       208.65d {+13h 54m 36s}  -11.74d {-11d 44' 26"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.13d {+10h 52m 31s}  +11.91d {+11d 54' 53"}
MOON_DIST:       122.03 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:41:00 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
POINT_ROLL:      208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  41773.01 SOD {11:36:13.01} UT,   24800.4 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        0.953
N_STARS:         107
X_OFFSET:        270 [pixels]
Y_OFFSET:        216 [pixels]
X_MAX:           1229 [pixels]
Y_MAX:           1175 [pixels]
DET_THRESH:      8
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc24800.fits
SUN_POSTN:       208.65d {+13h 54m 36s}  -11.74d {-11d 44' 26"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.13d {+10h 52m 32s}  +11.91d {+11d 54' 49"}
MOON_DIST:       122.03 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:42:16 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
ROLL:            208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  41773.01 SOD {11:36:13.01} UT,   24800.4 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593609796
X_OFFSET:        589 [pixels]
Y_OFFSET:        535 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       749
Y_GRB_POS:       695
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni24824.fits
SUN_POSTN:       208.65d {+13h 54m 36s}  -11.74d {-11d 44' 27"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.14d {+10h 52m 35s}  +11.91d {+11d 54' 33"}
MOON_DIST:       122.03 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:42:30 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
ROLL:            208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  41773.01 SOD {11:36:13.01} UT,   24800.4 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593609796
X_OFFSET:        589 [pixels]
Y_OFFSET:        535 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       749
Y_GRB_POS:       695
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni24824.fits
SUN_POSTN:       208.65d {+13h 54m 36s}  -11.74d {-11d 44' 27"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.15d {+10h 52m 35s}  +11.91d {+11d 54' 30"}
MOON_DIST:       122.03 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:45:59 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
POINT_ROLL:      208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  42086.72 SOD {11:41:26.72} UT,   25114.1 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.429
N_STARS:         115
X_OFFSET:        30 [pixels]
Y_OFFSET:        0 [pixels]
X_MAX:           1469 [pixels]
Y_MAX:           1439 [pixels]
DET_THRESH:      6
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc25114.fits
SUN_POSTN:       208.65d {+13h 54m 37s}  -11.74d {-11d 44' 31"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.18d {+10h 52m 43s}  +11.90d {+11d 53' 46"}
MOON_DIST:       122.02 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:46:10 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
POINT_ROLL:      208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  42086.72 SOD {11:41:26.72} UT,   25114.1 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.429
N_STARS:         115
X_OFFSET:        30 [pixels]
Y_OFFSET:        0 [pixels]
X_MAX:           1469 [pixels]
Y_MAX:           1439 [pixels]
DET_THRESH:      6
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc25114.fits
SUN_POSTN:       208.65d {+13h 54m 37s}  -11.74d {-11d 44' 31"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.18d {+10h 52m 44s}  +11.90d {+11d 53' 44"}
MOON_DIST:       122.02 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:48:34 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
ROLL:            208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  42086.72 SOD {11:41:26.72} UT,   25114.1 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593610110
X_OFFSET:        589 [pixels]
Y_OFFSET:        559 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       749
Y_GRB_POS:       719
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni25138.fits
SUN_POSTN:       208.65d {+13h 54m 37s}  -11.74d {-11d 44' 33"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.21d {+10h 52m 49s}  +11.89d {+11d 53' 14"}
MOON_DIST:       122.02 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        This notice was forced out after watchdog timer expiring -- most likely due to missing packet(s);  
COMMENTS:        as a consequence some of the fields may be incoorect (eg TRIGGER_NUM,RA,DEC).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 11:48:46 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:          9.990d {+00h 39m 58s} (J2000)
POINT_DEC:       -67.119d {-67d 07' 07"} (J2000)
ROLL:            208.489d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  42086.72 SOD {11:41:26.72} UT,   25114.1 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593610110
X_OFFSET:        589 [pixels]
Y_OFFSET:        559 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       749
Y_GRB_POS:       719
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni25138.fits
SUN_POSTN:       208.65d {+13h 54m 37s}  -11.74d {-11d 44' 33"}
SUN_DIST:        100.10 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      163.21d {+10h 52m 50s}  +11.89d {+11d 53' 11"}
MOON_DIST:       122.02 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      304.67,-49.97 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.50,-60.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.  
COMMENTS:        This notice was forced out after watchdog timer expiring -- most likely due to missing packet(s);  
COMMENTS:        as a consequence some of the fields may be incoorect (eg TRIGGER_NUM,RA,DEC).

GCN Circular #26066
J. Bolmer (MPE Garching), and P. Schady (Univ. of Bath), report:
We observed the field of GRB 191024A (Swift trigger 931242; Page et al., GCN #26063) simultaneously in g'r'i'z'JHK with GROND (Greiner et al. 2008, PASP 120, 405) mounted at the 2.2 m MPG telescope at ESO La Silla Observatory (Chile).
Observations started at 04:45:40 UT on 24th October, 3 minutes after the GRB trigger. They were performed at an average seeing of 1.2" and at an average airmass of 1.4.
We do not detect a source at the enhanced position of the Swift-XRT afterglow (Beardmore et al., GCN #26064) — down to the following 3-sigma limits (all AB magnitude) — in the stacked images of observations taken between 168 and 5906 seconds post trigger (total integration time of 95 min).
```
g' > 25.5 mag
r' > 25.6 mag
i' > 24.8 mag
z' > 23.4 mag
J > 21.9 mag
H > 21.4 mag
K > 20.2 mag
```
Given limits are calibrated against Sky-Mapper and 2MASS field stars and are not corrected for the Galactic foreground extinction corresponding to a reddening of E_(B-V)= 0.01 in the direction of the burst (Schlafly & Finkbeiner 2011).
GCN Circular #26067
D. Xu (NAOC), J.T. Palmerio (CNRS - Obs. de Paris/GEPI), D. B. Malesani (DTU space), K. E. Heintz (Univ. of Iceland), N. R. Tanvir (Univ. Leicester), J. P. U. Fynbo (DAWN/NBI), A. J. Levan (Radboud Univ.), G. Pugliese (Univ. Amsterdam), C. Kouveliotou (GWU, APSIS), report on behalf of the Stargate collaboration:
We observed the field of GRB 191024A (Page et al., GCN 26063) using the ESO VLT UT2 (Kueyen) equipped with the X-shooter camera. Observations started at 06:14:13 UT on 2019-10-14 (i.e., 1.523 hr after the BAT trigger) and 3x40 s, 3x30 s , 3x60 s frames were obtained in the Sloan g- / r- / z- bands, respectively.
No optical source is detected in our stacked image within the enhanced XRT error circle (Beardmore et al., GCN 26064), down to a limiting magnitude of r ~ 24.3 AB mag.
However, there exist two sources just outside and south of the XRT error circle in all the stacked g-, r-, and z-band images. Their coordinates and magnitudes are as follows
S1
```
R.A.(J2000) = 0:40:27.360
Dec.(J2000) = -67:08:44.800
Distance from the XRT center: 2.8"
m(r) ~ 24.1 AB mag
```
S2
```
R.A.(J2000) = 00:40:27.480
Dec.(J2000) = -67:08:45.800
Distance from the XRT center: 3.6"
m(r) ~ 23.7 AB mag
```
Due to small FOV, the magnitudes are calculated using only one DSS-2 reference star at R.A. (J2000) = 00:40:29.68 and Dec. (J2000) = -67:08:43.99 with R1=19.68. And due to only one epoch of photometry, it is not clear if either of the two sources is related to the burst. Further observations are required to check for variability.
We acknowledge excellent support from the ESO observing staff in Paranal, in particular Trystyn Berg.
GCN Circular #26068
A. Melandri (INAF-OAB), P. D'Avanzo (INAF-OAB), A. Tohuvavohu (U. Toronto), J.A. Kennea (PSU), B. Sbarufatti (PSU), J.P. Osborne (U. Leicester), A.P. Beardmore (U. Leicester), M.G. Bernardini (INAF-OAB) and K.L. Page report on behalf of the Swift-XRT team:
We have analysed 6.6 ks of XRT data for GRB 191024A (Page et al. GCN Circ. 26063), from 837 s to 31.5 ks after the BAT trigger. The data are entirely in Photon Counting (PC) mode. The enhanced XRT position for this burst was given by Beardmore et al. (GCN Circ. 26064).
The light curve can be modelled with a power-law decay with a decay index of alpha=0.87 (+0.22, -0.18).
A spectrum formed from the PC mode data can be fitted with an absorbed power-law with a photon spectral index of 1.8 (+0.7, -0.6). The best-fitting absorption column is 3.2 (+4.0, -2.6) x 10^21 cm^-2, in excess of the Galactic value of 2.7 x 10^20 cm^-2 (Willingale et al. 2013). The counts to observed (unabsorbed) 0.3-10 keV flux conversion factor deduced from this spectrum is 4.1 x 10^-11 (5.7 x 10^-11) erg cm^-2 count^-1.
A summary of the PC-mode spectrum is thus:
```
Total column:	     3.2 (+4.0, -2.6) x 10^21 cm^-2
Galactic foreground: 2.7 x 10^20 cm^-2
Excess significance: 1.8 sigma
Photon index:	     1.8 (+0.7, -0.6)
```
If the light curve continues to decay with a power-law decay index of 0.87, the count rate at T+24 hours will be 1.4 x 10^-3 count s^-1, corresponding to an observed (unabsorbed) 0.3-10 keV flux of 5.9 x 10^-14 (8.1 x 10^-14) erg cm^-2 s^-1.
The results of the XRT-team automatic analysis are available at http://www.swift.ac.uk/xrt_products/00931242.
This circular is an official product of the Swift-XRT team.
GCN Circular #26069
R. Strausbaugh (U. of the Virgin Islands), A. Cucchiara (U. of the Virgin Islands/College of Marin) report on behalf of a larger collaboration:
We observed Swift GRB 191024A (Palmer et al., GCN 26063) with the LCO 1-m Sinistro instrument at Las Cumbres, Chile site, on October 24, from 05:18 to 05:23 UT (corresponding to 0.13 to 0.22 hours from the GRB trigger time) with Bessel R filter.
We performed a series of 2x120s exposures in R-band. We do not detect any sources in the Swift 90% confidence region (Evans et al., GCN 26064). Using the USNO-B.1 catalog as reference, we obtain the following 3-sigma upper limit:
R > 17.08
These observations were possible thanks to the USVI NASA-EPSCoR Research Infrastructure Development (RID) grant NNX16AL44A.
GCN Circular #26070
A. A. Breeveld (UCL-MSSL) and K. L. Page (U. Leicester) report on behalf of the Swift/UVOT team:
The Swift/UVOT began settled observations of the field of GRB 191024A 833 s after the BAT trigger (Page et al., GCN Circ. 26063). No optical afterglow consistent with the XRT position (Beardmore et al., GCN Circ. 26064) is detected in the initial UVOT exposures. Preliminary 3-sigma upper limits using the UVOT photometric system (Breeveld et al. 2011, AIP Conf. Proc. 1358, 373) for the first finding chart (FC) exposure and subsequent exposures are:
```
Filter         T_start(s)   T_stop(s)      Exp(s)         Mag

white_FC           833          982          147         >21.2
white              833        13531          360         >22.0
v                  989         6893          274         >19.9
b                 1087        13389         1043         >21.6
u                 1062        19531          716         >21.3
w1                1038        19072         1160         >21.1
m2                6898         7098          197         >20.2
w2                1137         1506           39         >19.7
```
The magnitudes in the table are not corrected for the Galactic extinction due to the reddening of E(B-V) = 0.02 in the direction of the burst (Schlegel et al. 1998).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:24:52 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  58823.62 SOD {16:20:23.62} UT,   41851.0 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.032
N_STARS:         76
X_OFFSET:        660 [pixels]
Y_OFFSET:        434 [pixels]
X_MAX:           1619 [pixels]
Y_MAX:           1393 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc41851.fits
SUN_POSTN:       208.84d {+13h 55m 21s}  -11.81d {-11d 48' 33"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.90d {+11h 03m 35s}  +10.91d {+10d 54' 46"}
MOON_DIST:       121.56 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:25:08 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  58823.62 SOD {16:20:23.62} UT,   41851.0 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.032
N_STARS:         76
X_OFFSET:        660 [pixels]
Y_OFFSET:        434 [pixels]
X_MAX:           1619 [pixels]
Y_MAX:           1393 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc41851.fits
SUN_POSTN:       208.84d {+13h 55m 21s}  -11.81d {-11d 48' 33"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.90d {+11h 03m 35s}  +10.91d {+10d 54' 42"}
MOON_DIST:       121.56 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:26:29 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  58823.62 SOD {16:20:23.62} UT,   41851.0 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593626847
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni41875.fits
SUN_POSTN:       208.84d {+13h 55m 21s}  -11.81d {-11d 48' 34"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.91d {+11h 03m 39s}  +10.91d {+10d 54' 25"}
MOON_DIST:       121.56 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:26:47 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  58823.62 SOD {16:20:23.62} UT,   41851.0 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593626847
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni41875.fits
SUN_POSTN:       208.84d {+13h 55m 21s}  -11.81d {-11d 48' 34"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.91d {+11h 03m 39s}  +10.91d {+10d 54' 21"}
MOON_DIST:       121.56 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:30:08 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59137.61 SOD {16:25:37.61} UT,   42165.0 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.414
N_STARS:         120
X_OFFSET:        420 [pixels]
Y_OFFSET:        194 [pixels]
X_MAX:           1859 [pixels]
Y_MAX:           1633 [pixels]
DET_THRESH:      6
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc42164.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 37"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.95d {+11h 03m 47s}  +10.89d {+10d 53' 38"}
MOON_DIST:       121.55 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:30:27 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59137.61 SOD {16:25:37.61} UT,   42165.0 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.414
N_STARS:         120
X_OFFSET:        420 [pixels]
Y_OFFSET:        194 [pixels]
X_MAX:           1859 [pixels]
Y_MAX:           1633 [pixels]
DET_THRESH:      6
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc42164.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 38"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.95d {+11h 03m 48s}  +10.89d {+10d 53' 34"}
MOON_DIST:       121.55 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:31:13 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59137.61 SOD {16:25:37.61} UT,   42165.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593627161
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42188.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 38"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.96d {+11h 03m 50s}  +10.89d {+10d 53' 24"}
MOON_DIST:       121.55 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:31:25 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59137.61 SOD {16:25:37.61} UT,   42165.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593627161
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42188.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 38"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.96d {+11h 03m 50s}  +10.89d {+10d 53' 22"}
MOON_DIST:       121.55 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:34:25 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59392.82 SOD {16:29:52.82} UT,   42420.2 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.035
N_STARS:         79
X_OFFSET:        660 [pixels]
Y_OFFSET:        434 [pixels]
X_MAX:           1619 [pixels]
Y_MAX:           1393 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc42420.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 41"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.99d {+11h 03m 57s}  +10.88d {+10d 52' 43"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:34:41 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
POINT_ROLL:      208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59392.82 SOD {16:29:52.82} UT,   42420.2 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.035
N_STARS:         79
X_OFFSET:        660 [pixels]
Y_OFFSET:        434 [pixels]
X_MAX:           1619 [pixels]
Y_MAX:           1393 [pixels]
DET_THRESH:      9
PHOTO_THRESH:    4
SL_URL:          sw00931242001msufc42420.fits
SUN_POSTN:       208.84d {+13h 55m 22s}  -11.81d {-11d 48' 41"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      165.99d {+11h 03m 58s}  +10.88d {+10d 52' 39"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:36:05 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59392.82 SOD {16:29:52.82} UT,   42420.2 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593627416
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42444.fits
SUN_POSTN:       208.84d {+13h 55m 23s}  -11.81d {-11d 48' 42"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.00d {+11h 04m 01s}  +10.87d {+10d 52' 21"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:36:19 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 54"} (J2000)
ROLL:            208.540d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59392.82 SOD {16:29:52.82} UT,   42420.2 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593627416
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42444.fits
SUN_POSTN:       208.84d {+13h 55m 23s}  -11.81d {-11d 48' 43"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.01d {+11h 04m 01s}  +10.87d {+10d 52' 18"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:36:58 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 53"} (J2000)
POINT_ROLL:      208.541d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59705.51 SOD {16:35:05.51} UT,   42732.9 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.208
N_STARS:         22
X_OFFSET:        420 [pixels]
Y_OFFSET:        194 [pixels]
X_MAX:           1859 [pixels]
Y_MAX:           1633 [pixels]
DET_THRESH:      5
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc42732.fits
SUN_POSTN:       208.85d {+13h 55m 23s}  -11.81d {-11d 48' 43"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.01d {+11h 04m 03s}  +10.87d {+10d 52' 10"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:37:13 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 53"} (J2000)
POINT_ROLL:      208.541d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59705.51 SOD {16:35:05.51} UT,   42732.9 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.208
N_STARS:         22
X_OFFSET:        420 [pixels]
Y_OFFSET:        194 [pixels]
X_MAX:           1859 [pixels]
Y_MAX:           1633 [pixels]
DET_THRESH:      5
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc42732.fits
SUN_POSTN:       208.85d {+13h 55m 23s}  -11.81d {-11d 48' 43"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.01d {+11h 04m 04s}  +10.87d {+10d 52' 07"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:38:05 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 53"} (J2000)
ROLL:            208.541d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59705.51 SOD {16:35:05.51} UT,   42732.9 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593627729
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42756.fits
SUN_POSTN:       208.85d {+13h 55m 23s}  -11.81d {-11d 48' 44"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.02d {+11h 04m 06s}  +10.87d {+10d 51' 56"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 16:38:08 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.149d {+00h 40m 36s} (J2000)
POINT_DEC:       -67.115d {-67d 06' 53"} (J2000)
ROLL:            208.541d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  59705.51 SOD {16:35:05.51} UT,   42732.9 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593627729
X_OFFSET:        979 [pixels]
Y_OFFSET:        753 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1139
Y_GRB_POS:       913
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni42756.fits
SUN_POSTN:       208.85d {+13h 55m 23s}  -11.81d {-11d 48' 44"}
SUN_DIST:        100.03 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      166.02d {+11h 04m 06s}  +10.87d {+10d 51' 55"}
MOON_DIST:       121.54 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.75 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:47:43 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.155d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
ROLL:            208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  70922.58 SOD {19:42:02.58} UT,   53950.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593638946
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni53973.fits
SUN_POSTN:       208.97d {+13h 55m 53s}  -11.86d {-11d 51' 29"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.86d {+11h 11m 27s}  +10.18d {+10d 10' 50"}
MOON_DIST:       121.19 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:47:57 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.155d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
ROLL:            208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  70922.58 SOD {19:42:02.58} UT,   53950.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593638946
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni53973.fits
SUN_POSTN:       208.97d {+13h 55m 53s}  -11.86d {-11d 51' 29"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.86d {+11h 11m 27s}  +10.18d {+10d 10' 47"}
MOON_DIST:       121.19 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:50:46 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.154d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
POINT_ROLL:      208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71177.83 SOD {19:46:17.83} UT,   54205.2 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.878
N_STARS:         72
X_OFFSET:        661 [pixels]
Y_OFFSET:        460 [pixels]
X_MAX:           1620 [pixels]
Y_MAX:           1419 [pixels]
DET_THRESH:      11
PHOTO_THRESH:    6
SL_URL:          sw00931242001msufc54205.fits
SUN_POSTN:       208.97d {+13h 55m 54s}  -11.86d {-11d 51' 31"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.89d {+11h 11m 34s}  +10.17d {+10d 10' 10"}
MOON_DIST:       121.18 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:51:03 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.154d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
POINT_ROLL:      208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71177.83 SOD {19:46:17.83} UT,   54205.2 [sec] since BAT Trigger Time
FILTER:          9, B
BKG_MEAN:        1.878
N_STARS:         72
X_OFFSET:        661 [pixels]
Y_OFFSET:        460 [pixels]
X_MAX:           1620 [pixels]
Y_MAX:           1419 [pixels]
DET_THRESH:      11
PHOTO_THRESH:    6
SL_URL:          sw00931242001msufc54205.fits
SUN_POSTN:       208.97d {+13h 55m 54s}  -11.86d {-11d 51' 31"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.89d {+11h 11m 35s}  +10.17d {+10d 10' 07"}
MOON_DIST:       121.18 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:52:05 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.154d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
ROLL:            208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71177.83 SOD {19:46:17.83} UT,   54205.2 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593639201
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni54229.fits
SUN_POSTN:       208.97d {+13h 55m 54s}  -11.86d {-11d 51' 32"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.90d {+11h 11m 37s}  +10.16d {+10d 09' 53"}
MOON_DIST:       121.18 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:52:22 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         10.154d {+00h 40m 37s} (J2000)
POINT_DEC:       -67.118d {-67d 07' 05"} (J2000)
ROLL:            208.679d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71177.83 SOD {19:46:17.83} UT,   54205.2 [sec] since BAT Trigger Time
FILTER:          9, B
EXPOSURE_ID:     593639201
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni54229.fits
SUN_POSTN:       208.97d {+13h 55m 54s}  -11.86d {-11d 51' 33"}
SUN_DIST:         99.97 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:      167.91d {+11h 11m 38s}  +10.16d {+10d 09' 49"}
MOON_DIST:       121.18 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      304.57,-49.98 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      321.58,-60.76 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        All 4 attachments are included.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:53:24 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         84.825d {+05h 39m 18s} (J2000)
POINT_DEC:       -42.377d {-42d 22' 38"} (J2000)
POINT_ROLL:      127.337d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71490.59 SOD {19:51:30.59} UT,   54518.0 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.090
N_STARS:         14
X_OFFSET:        421 [pixels]
Y_OFFSET:        220 [pixels]
X_MAX:           1860 [pixels]
Y_MAX:           1659 [pixels]
DET_THRESH:      4
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc54517.fits
SUN_POSTN:       208.98d {+13h 55m 54s}  -11.86d {-11d 51' 34"}
SUN_DIST:        105.42 [deg]   Sun_angle= 8.3 [hr] (West of Sun)
MOON_POSTN:      167.92d {+11h 11m 40s}  +10.16d {+10d 09' 36"}
MOON_DIST:        91.69 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      248.14,-30.72 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       80.70,-65.65 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:53:37 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         84.825d {+05h 39m 18s} (J2000)
POINT_DEC:       -42.377d {-42d 22' 38"} (J2000)
POINT_ROLL:      127.337d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71490.59 SOD {19:51:30.59} UT,   54518.0 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.090
N_STARS:         14
X_OFFSET:        421 [pixels]
Y_OFFSET:        220 [pixels]
X_MAX:           1860 [pixels]
Y_MAX:           1659 [pixels]
DET_THRESH:      4
PHOTO_THRESH:    2
SL_URL:          sw00931242001msufc54517.fits
SUN_POSTN:       208.98d {+13h 55m 54s}  -11.86d {-11d 51' 34"}
SUN_DIST:        105.42 [deg]   Sun_angle= 8.3 [hr] (West of Sun)
MOON_POSTN:      167.92d {+11h 11m 41s}  +10.16d {+10d 09' 33"}
MOON_DIST:        91.69 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      248.14,-30.72 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       80.70,-65.65 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        If you have elected to receive attachments:  
COMMENTS:        The uvot_catalog_srclist.fits.gz file does not exist; skipping the attachment.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:54:31 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         84.825d {+05h 39m 18s} (J2000)
POINT_DEC:       -42.377d {-42d 22' 38"} (J2000)
ROLL:            127.337d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71490.59 SOD {19:51:30.59} UT,   54518.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593639514
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni54541.fits
SUN_POSTN:       208.98d {+13h 55m 54s}  -11.86d {-11d 51' 34"}
SUN_DIST:        105.42 [deg]   Sun_angle= 8.3 [hr] (West of Sun)
MOON_POSTN:      167.93d {+11h 11m 43s}  +10.16d {+10d 09' 21"}
MOON_DIST:        91.69 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      248.14,-30.72 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       80.70,-65.65 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 19 19:54:51 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     931242,   Seg_Num: 1
POINT_RA:         84.825d {+05h 39m 18s} (J2000)
POINT_DEC:       -42.377d {-42d 22' 38"} (J2000)
ROLL:            127.337d
IMG_START_DATE:  18780 TJD;   297 DOY;   19/10/24
IMG_START_TIME:  71490.59 SOD {19:51:30.59} UT,   54518.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     593639514
X_OFFSET:        980 [pixels]
Y_OFFSET:        779 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1140
Y_GRB_POS:       939
BINNING_INDEX:   1
IM_URL:          sw00931242001msuni54541.fits
SUN_POSTN:       208.98d {+13h 55m 54s}  -11.86d {-11d 51' 35"}
SUN_DIST:        105.42 [deg]   Sun_angle= 8.3 [hr] (West of Sun)
MOON_POSTN:      167.93d {+11h 11m 44s}  +10.15d {+10d 09' 17"}
MOON_DIST:        91.70 [deg]
MOON_ILLUM:      15 [%]
GAL_COORDS:      248.14,-30.72 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       80.70,-65.65 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Image.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        And the IMG_START_DATE/TIME fields are the current epoch -- not the original detection.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
COMMENTS:        If you have elected to receive attachments:  
COMMENTS:        The uvot_catalog_image.fits.gz file does not exist; skipping the attachment.

GCN Circular #26071
S. Laha (GSFC/UMBC), S. D. Barthelmy (GSFC), J. R. Cummings (CPI), H. A. Krimm (NSF), A. Y. Lien (GSFC/UMBC), C. B. Markwardt (GSFC), D. M. Palmer (LANL), K. L. Page (U Leicester) T. Sakamoto (AGU), M. Stamatikos (OSU), T. N. Ukwatta (LANL) (i.e. the Swift-BAT team):
Using the data set from T-239 to T+963 sec from the recent telemetry downlink, we report further analysis of BAT GRB 191024A (trigger #931242) (Page et al., GCN Circ. 26063). The BAT ground-calculated position is RA, Dec = 10.129, -67.138 deg which is
```
   RA(J2000)  =  00h 40m 30.9s
   Dec(J2000) = -67d 08' 17.1"
```
with an uncertainty of 1.3 arcmin, (radius, sys+stat, 90% containment). The partial coding was 90%.
The mask-weighted light curve shows a single-pulsed structure that starts and peaks at ~T0, and ends at ~T+8 s. T90 (15-350 keV) is 7.08 +- 0.98 sec (estimated error including systematics).
The time-averaged spectrum from T-0.96 to T+7.45 sec is best fit by a simple power-law model. The power law index of the time-averaged spectrum is 1.78 +- 0.14. The fluence in the 15-150 keV band is 4.7 +- 0.4 x 10^-7 erg/cm2. The 1-sec peak photon flux measured from T-0.31 sec in the 15-150 keV band is 1.6 +- 0.2 ph/cm2/sec. All the quoted errors are at the 90% confidence level.
The results of the batgrbproduct analysis are available at http://gcn.gsfc.nasa.gov/notices_s/931242/BA/

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Jochen Greiner, last update: 25-Oct-2019 [Disclaimer]