Gamma-ray Burst 060719

(All information courtesy of the instrument teams.)

Previous IAU Circulars

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Results of Observations

GCN/BACODINE POSITION NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:50:33 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.456d {+01h 13m 49s} (J2000),
                  18.527d {+01h 14m 06s} (current),
                  17.914d {+01h 11m 39s} (1950)
GRB_DEC:         -48.375d {-48d 22' 30"} (J2000),
                 -48.341d {-48d 20' 26"} (current),
                 -48.640d {-48d 38' 22"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2750 [cnts]    Image_Peak=259 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 15-50 keV
BKG_INTEN:       28505 [cnts]
BKG_TIME:        24622.67 SOD {06:50:22.67} UT
BKG_DUR:         8 [sec]
GRB_DATE:        13935 TJD;   200 DOY;   06/07/19
GRB_TIME:        24636.94 SOD {06:50:36.94} UT
GRB_PHI:         -20.25 [deg]
GRB_THETA:        35.02 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     20.97 [sigma]
IMAGE_SIGNIF:    12.95 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +1 +11  +0  +0 +37  +1 
SUN_POSTN:       118.50d {+07h 53m 60s}  +20.86d {+20d 51' 23"}
SUN_DIST:        111.94 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.83d {+02h 47m 19s}  +20.09d {+20d 05' 40"}
MOON_DIST:        71.54 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.84,-68.31 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      350.59,-50.31 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This Notice was delayed by more than 60 sec past the end of the trigger integration interval;  
COMMENTS:        probably due to it occurring during a Malindi downlink session.  
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 = 342.66,19.91 [deg].

red DSS finding chart ps-file

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:52:24 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.4306d {+01h 13m 43.3s} (J2000),
                  18.5015d {+01h 14m 00.3s} (current),
                  17.8882d {+01h 11m 33.1s} (1950)
GRB_DEC:         -48.3808d {-48d 22' 50.8"} (J2000),
                 -48.3462d {-48d 20' 46.4"} (current),
                 -48.6453d {-48d 38' 43.2"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       111 [cnts]
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24713.56 SOD {06:51:53.56} UT,   76.6 [sec] since BAT Trigger Time
CENTROID_X:      290.13,  raw= 290  [pixels]
CENTROID_Y:      309.97,  raw= 310  [pixels]
ROLL:            82.94 [deg]
GAIN:            1
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   26.33
GRB_POS_XRT_Z:   -26.31
IMAGE_URL:       sw00220020000msxps_rw.img
SUN_POSTN:       118.50d {+07h 54m 00s}  +20.86d {+20d 51' 22"}
SUN_DIST:        111.95 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.85d {+02h 47m 23s}  +20.10d {+20d 06' 02"}
MOON_DIST:        71.56 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.88,-68.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      350.56,-50.30 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Image.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:52:22 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.4306d {+01h 13m 43.3s} (J2000),
                  18.5015d {+01h 14m 00.3s} (current),
                  17.8882d {+01h 11m 33.1s} (1950)
GRB_DEC:         -48.3808d {-48d 22' 50.8"} (J2000),
                 -48.3462d {-48d 20' 46.4"} (current),
                 -48.6453d {-48d 38' 43.2"} (1950)
GRB_ERROR:       4.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       2.67e-09 [erg/cm2/sec]
GRB_SIGNIF:      10.53 [sigma]
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24713.56 SOD {06:51:53.56} UT,   76.6 [sec] since BAT Trigger Time
TAM[0-3]:        327.68 237.15 261.35 243.40
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:       118.50d {+07h 54m 00s}  +20.86d {+20d 51' 22"}
SUN_DIST:        111.95 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.84d {+02h 47m 23s}  +20.10d {+20d 06' 02"}
MOON_DIST:        71.56 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.88,-68.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      350.56,-50.30 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:52:41 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.4306d {+01h 13m 43.3s} (J2000),
                  18.5015d {+01h 14m 00.3s} (current),
                  17.8882d {+01h 11m 33.1s} (1950)
GRB_DEC:         -48.3808d {-48d 22' 50.8"} (J2000),
                 -48.3462d {-48d 20' 46.4"} (current),
                 -48.6453d {-48d 38' 43.2"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       111 [cnts]
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24713.56 SOD {06:51:53.56} UT,   76.6 [sec] since BAT Trigger Time
CENTROID_X:      290.13,  raw= 290  [pixels]
CENTROID_Y:      309.97,  raw= 310  [pixels]
ROLL:            82.94 [deg]
GAIN:            1
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   26.33
GRB_POS_XRT_Z:   -26.31
IMAGE_URL:       sw00220020000msxps_rw.img
SUN_POSTN:       118.50d {+07h 54m 00s}  +20.86d {+20d 51' 22"}
SUN_DIST:        111.95 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.85d {+02h 47m 23s}  +20.10d {+20d 06' 06"}
MOON_DIST:        71.56 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.88,-68.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      350.56,-50.30 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Processed Image.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:54:55 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.456d {+01h 13m 49s} (J2000),
                  18.527d {+01h 14m 06s} (current),
                  17.914d {+01h 11m 39s} (1950)
GRB_DEC:         -48.375d {-48d 22' 30"} (J2000),
                 -48.341d {-48d 20' 26"} (current),
                 -48.640d {-48d 38' 22"} (1950)
GRB_DATE:        13935 TJD;   200 DOY;   06/07/19
GRB_TIME:        24636.94 SOD {06:50:36.94} UT
TRIGGER_INDEX:   124
GRB_PHI:         -20.25 [deg]
GRB_THETA:        35.02 [deg]
DELTA_TIME:      12.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     20.97 [sigma]
IMAGE_SIGNIF:    12.95 [sigma]
LC_URL:          sw00220020000msb.lc
SUN_POSTN:       118.50d {+07h 54m 01s}  +20.86d {+20d 51' 21"}
SUN_DIST:        111.94 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.87d {+02h 47m 29s}  +20.11d {+20d 06' 33"}
MOON_DIST:        71.56 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.84,-68.31 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      350.59,-50.31 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 = 342.66,19.91 [deg].  
COMMENTS:        The 3rd packet (of 3) was missing in the lightcurve data stream.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:55:21 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.422d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.389d {-48d 23' 20"} (J2000)
POINT_ROLL:      82.945d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24724.19 SOD {06:52:04.19} UT,   87.2 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        1.846
N_STARS:         12
X_OFFSET:        508 [pixels]
Y_OFFSET:        490 [pixels]
X_MAX:           1467 [pixels]
Y_MAX:           1449 [pixels]
DET_THRESH:      11
PHOTO_THRESH:    6
SL_URL:          sw00220020000msufc0087.fits
SUN_POSTN:       118.50d {+07h 54m 01s}  +20.86d {+20d 51' 21"}
SUN_DIST:        111.96 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.87d {+02h 47m 29s}  +20.11d {+20d 06' 38"}
MOON_DIST:        71.59 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.30 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:55:53 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.422d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.389d {-48d 23' 20"} (J2000)
ROLL:            82.945d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24724.19 SOD {06:52:04.19} UT,   87.2 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     174984725
X_OFFSET:        828 [pixels]
Y_OFFSET:        810 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       988
Y_GRB_POS:       970
BINNING_INDEX:   1
IM_URL:          sw00220020000msuni0087.fits
SUN_POSTN:       118.50d {+07h 54m 01s}  +20.86d {+20d 51' 21"}
SUN_DIST:        111.96 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.88d {+02h 47m 31s}  +20.11d {+20d 06' 44"}
MOON_DIST:        71.59 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.30 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [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:     Wed 19 Jul 06 06:57:30 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.422d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.389d {-48d 23' 20"} (J2000)
ROLL:            82.945d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24724.19 SOD {06:52:04.19} UT,   87.2 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     174984725
X_OFFSET:        828 [pixels]
Y_OFFSET:        810 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       988
Y_GRB_POS:       970
BINNING_INDEX:   1
IM_URL:          sw00220020000msuni0087.fits
SUN_POSTN:       118.50d {+07h 54m 01s}  +20.86d {+20d 51' 20"}
SUN_DIST:        111.96 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.89d {+02h 47m 34s}  +20.12d {+20d 07' 04"}
MOON_DIST:        71.60 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.30 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [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:        If you have elected to receive attachments:  
COMMENTS:        The uvot_catalog_image.fits.gz file does not exist; skipping the attachment.

GCN Circular #5339
M. Stamatikos (NASA/ORAU), S. D. Barthelmy (GSFC), M. Capalbi (ASDC), J. R. Cummings (NASA/UMD), C. Gronwall (PSU), C. Guidorzi (Univ Bicocca&INAF-OAB), K. M. McLean (LANL/UTD), K. L. Page (U Leicester), D. M. Palmer (LANL) and M. Perri (ASDC) report on behalf of the Swift Team:
At 06:50:36 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 060719 (trigger=220020). Swift slewed immediately to the burst. The BAT on-board calculated location is RA,Dec 18.456, -48.375 {01h 13m 49s, -48d 22' 30"} (J2000) with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). The BAT light curve shows two peaks, the first starting at T_zero for ~4 sec and the second starting at T+40 for ~15 sec. The peak count rate is 3000 counts/sec (15-350 keV) at ~T+1 sec.
The XRT began observing the field at 06:51:53 UT, 77 seconds after the BAT trigger. XRT found a bright, variable, uncatalogued X-ray source located at RA(J2000) = 01h 13m 43.3s, Dec(J2000) = -48d 22' 53.5", with an estimated uncertainty of 4.0 arcseconds (90% confidence radius). This location is 64 arcseconds from the BAT on-board position, within the BAT error circle. The initial flux in the 2.5s image was 2.7e-09 erg/cm2/s (0.2-10 keV).
UVOT took a finding chart exposure of 100 seconds with the White (160-650 nm) filter starting 90 seconds after the BAT trigger. No afterglow candidate has been found in the initial data products. The 2.7'x2.7' sub-image covers 25% of the BAT error circle and 100% of the ground-determined XRT error circle. The typical 3-sigma upper limit has been about 18.5 mag. The 8'x8' region for the list of sources generated on-board covers 100% of the BAT error circle. The list of sources is typically complete to about 18 mag. No correction has been made for extinction.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 06:57:57 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.422d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.389d {-48d 23' 20"} (J2000)
POINT_ROLL:      82.945d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24724.19 SOD {06:52:04.19} UT,   87.2 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        1.846
N_STARS:         12
X_OFFSET:        508 [pixels]
Y_OFFSET:        490 [pixels]
X_MAX:           1467 [pixels]
Y_MAX:           1449 [pixels]
DET_THRESH:      11
PHOTO_THRESH:    6
SL_URL:          sw00220020000msufc0087.fits
SUN_POSTN:       118.50d {+07h 54m 01s}  +20.86d {+20d 51' 20"}
SUN_DIST:        111.96 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       41.90d {+02h 47m 35s}  +20.12d {+20d 07' 09"}
MOON_DIST:        71.60 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.30 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [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:     Wed 19 Jul 06 07:12:24 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     220020,   Seg_Num: 0
GRB_RA:           18.4304d {+01h 13m 43.2s} (J2000),
                  18.5013d {+01h 14m 00.3s} (current),
                  17.8880d {+01h 11m 33.1s} (1950)
GRB_DEC:         -48.3815d {-48d 22' 53.4"} (J2000),
                 -48.3469d {-48d 20' 48.9"} (current),
                 -48.6460d {-48d 38' 45.7"} (1950)
GRB_ERROR:       4.0 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       3.00e-09 [erg/cm2/sec]
GRB_SIGNIF:      5.00 [sigma]
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24765.70 SOD {06:52:45.70} UT,   128.8 [sec] since BAT Trigger Time
TAM[0-3]:        327.61 237.19 261.35 242.66
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:       118.51d {+07h 54m 04s}  +20.85d {+20d 51' 13"}
SUN_DIST:        111.96 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.03d {+02h 48m 08s}  +20.17d {+20d 10' 04"}
MOON_DIST:        71.68 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.88,-68.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      350.56,-50.30 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        TAM values are not valid.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 07:13:47 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.419d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.388d {-48d 23' 14"} (J2000)
POINT_ROLL:      82.946d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  24829.34 SOD {06:53:49.34} UT,   192.4 [sec] since BAT Trigger Time
FILTER:          3, V
BKG_MEAN:        2.811
N_STARS:         10
X_OFFSET:        508 [pixels]
Y_OFFSET:        490 [pixels]
X_MAX:           1467 [pixels]
Y_MAX:           1449 [pixels]
DET_THRESH:      14
PHOTO_THRESH:    7
SL_URL:          sw00220020000msufc0192.fits
SUN_POSTN:       118.52d {+07h 54m 04s}  +20.85d {+20d 51' 12"}
SUN_DIST:        111.97 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.05d {+02h 48m 11s}  +20.17d {+20d 10' 20"}
MOON_DIST:        71.69 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.31 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 07:15:37 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.419d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.388d {-48d 23' 14"} (J2000)
POINT_ROLL:      82.946d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  25507.08 SOD {07:05:07.08} UT,   870.1 [sec] since BAT Trigger Time
FILTER:          3, V
BKG_MEAN:        0.946
N_STARS:         9
X_OFFSET:        508 [pixels]
Y_OFFSET:        490 [pixels]
X_MAX:           1467 [pixels]
Y_MAX:           1449 [pixels]
DET_THRESH:      8
PHOTO_THRESH:    4
SL_URL:          sw00220020000msufc0870.fits
SUN_POSTN:       118.52d {+07h 54m 04s}  +20.85d {+20d 51' 12"}
SUN_DIST:        111.97 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.06d {+02h 48m 15s}  +20.18d {+20d 10' 42"}
MOON_DIST:        71.70 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.31 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.

GCN NOTICE

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 19 Jul 06 07:16:54 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.419d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.388d {-48d 23' 14"} (J2000)
ROLL:            82.946d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  25507.08 SOD {07:05:07.08} UT,   870.1 [sec] since BAT Trigger Time
FILTER:          3, V
EXPOSURE_ID:     174985508
X_OFFSET:        828 [pixels]
Y_OFFSET:        810 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       988
Y_GRB_POS:       970
BINNING_INDEX:   1
IM_URL:          sw00220020000msuni0870.fits
SUN_POSTN:       118.52d {+07h 54m 04s}  +20.85d {+20d 51' 11"}
SUN_DIST:        111.97 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.08d {+02h 48m 18s}  +20.18d {+20d 10' 58"}
MOON_DIST:        71.71 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.31 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [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:     Wed 19 Jul 06 07:18:54 UT
NOTICE_TYPE:     Swift-UVOT Processed Image
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.419d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.388d {-48d 23' 14"} (J2000)
ROLL:            82.946d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  25507.08 SOD {07:05:07.08} UT,   870.1 [sec] since BAT Trigger Time
FILTER:          3, V
EXPOSURE_ID:     174985508
X_OFFSET:        828 [pixels]
Y_OFFSET:        810 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       988
Y_GRB_POS:       970
BINNING_INDEX:   1
IM_URL:          sw00220020000msuni0870.fits
SUN_POSTN:       118.52d {+07h 54m 05s}  +20.85d {+20d 51' 10"}
SUN_DIST:        111.97 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.09d {+02h 48m 23s}  +20.19d {+20d 11' 22"}
MOON_DIST:        71.72 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.31 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [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:     Wed 19 Jul 06 07:17:44 UT
NOTICE_TYPE:     Swift-UVOT Processed Source List
TRIGGER_NUM:     220020,   Seg_Num: 0
POINT_RA:         18.419d {+01h 13m 41s} (J2000)
POINT_DEC:       -48.388d {-48d 23' 14"} (J2000)
POINT_ROLL:      82.946d
IMG_START_DATE:  13935 TJD;   200 DOY;   06/07/19
IMG_START_TIME:  25507.08 SOD {07:05:07.08} UT,   870.1 [sec] since BAT Trigger Time
FILTER:          3, V
BKG_MEAN:        0.946
N_STARS:         9
X_OFFSET:        508 [pixels]
Y_OFFSET:        490 [pixels]
X_MAX:           1467 [pixels]
Y_MAX:           1449 [pixels]
DET_THRESH:      8
PHOTO_THRESH:    4
SL_URL:          sw00220020000msufc0870.fits
SUN_POSTN:       118.52d {+07h 54m 04s}  +20.85d {+20d 51' 11"}
SUN_DIST:        111.97 [deg]   Sun_angle= 6.7 [hr] (West of Sun)
MOON_POSTN:       42.08d {+02h 48m 20s}  +20.19d {+20d 11' 08"}
MOON_DIST:        71.72 [deg]
MOON_ILLUM:      34 [%]
GAL_COORDS:      292.91,-68.31 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      350.55,-50.30 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Processed Source List.  
COMMENTS:        All 4 attachments are included.

GCN Circular #5340
E. Berger (OCIW) and A. Bonanos (CIW) report:
"We observed the field of GRB 060719 starting on 2006 July 19 at 07:10:45 UT (20 min after the burst) with the 40-inch telescope at Las Campanas Observatory. In a 300 sec R-band exposure we find a faint object close to the limit of DSS within the XRT error circle at (J2000):
```
	RA = 01:13:43.38
	DEC= -48:22:55.1
```
Further observations are underway to determine whether this source is variable."
GCN Circular #5341
S. Covino, G. Tagliaferri. C. Guidorzi, D. Fugazza, E. Mason on behalf of the MISTICI collaboration report:
We are observing the field of GRB 060719 with VLT+FORS2. The object reported in GCN 5340 (Berger and Bonanos) is clearly visible.
However, the same object is also well visible in the DSS frame (version I) while it is barely detectable in the DSS frame (version II).
Further observations are ongoing to determine its possible variability.
This message may be quoted.
GCN Circular #5342
E. Berger (OCIW) and A. Bonanos (CIW) report:
"Additional imaging observations obtained with the LCO 40-inch telescope on 07:16:50 UT (26 min) and 07:28:56 UT (38 min) indicate that the optical candidate in GCN 5340 did not change in brightness by more than 0.2 mag. This suggests a fading rate shallower than t^-0.5 if it is the afterglow, or that this object is the host galaxy or altogether unrelated to the GRB."
GCN Circular #5343
L.A. Antonelli, S. Covino, D. Fugazza, E. Molinari, G. Chincarini, F.M. Zerbi, V. Testa, G. Tosti, F. Vitali, P. Conconi, G. Cutispoto, G. Malaspina, L. Nicastro, E. Palazzi, E. Meurs, and P. Goldoni report on behalf of the REM/ROSS team:
The field of GRB 060719 (Stamatikos et al. GCN 5339) has been observed by the robotic 60-cm REM telescope located at La Silla (Chile). A set of observations was performed automatically in the near infrared (z', J, H, K) starting on July 19.2858 (about 75 s after the BAT trigger).
No NIR sources are detected within the XRT error circle in all filters down to the 2MASS limiting magnitude.
This message may be cited.
GCN Circular #5344
M. Nysewander, D. Reichart, K. Ivarsen, A. Foster, A. LaCluyze, J. A. Crain, C. MacLeod, J. Haislip, and A. Trotter report on behalf of the UNC GRB Collaboration:
Under the control of SkyNet, 3 0.4-m PROMPT telescopes observed the location of GRB 060719 (Stamatikos et al., GCN 5339) beginning 36 seconds after the burst in Ur'i'z'.
We do not see evidence for an optical afterglow to z' > 16.6 mag (3 sigma, 10 sec exposure) at a mean time of 58 seconds after the burst and z' > 18.6 mag (3 sigma; 3 x 40 sec exposures) at a mean time of 5.4 min after the burst. We do not detect any early brighter emission from the possible candidate reported by Berger & Bonanos (GCN 5340).
PROMPT is currently being built and commissioned.
GCN Circular #5345
Martin Jel=EDnek (IAA Granada, Spain), Petr Kub=E1nek (ISDC Versoix, Switzerland and ASU Ondrejov, Czech Rep.) and Michael Prouza (Columbia University New York, USA and FZU Praha, Czech Rep.) on behalf of the FRAM team, coordinated by FZU Praha, Czech Rep.
report
"Robotic telescope FRAM followed the Swift trigger #220020. 5x 20s R-band (lambda_eff =3D 640nm) images were obtained starting 112.4s after the GRB (99.5s after receiving the notification).=20
On the coadded frame with exposure mean time 180s after the GRB we do not detect any new source down to the limiting magnitude R~16.2."
this message may be cited
GCN Circular #5346
M.Biskup, M.Cwiok, W.Dominik, J.Falzmann, G.Kasprowicz, A.Majcher, K.Malek, L.Mankiewicz, M.Molak, J.Mrowca-Ciulacz, K.Nawrocki, L.W.Piotrowski, P.Sitek, M.Sokolowski, J.Uzycki, G.Wrochna, on behalf of "Pi of the Sky" collaboration.
"Pi of the Sky" apparatus located at Las Campanas Observatory has moved to the Swift-BAT trigger 220020 and it has taken a series of 10s exposures starting 65s after the GRB (43s after the alert). No new object has been found within the Swift-BAT error box. The limiting magnitude is 12.5m (unfiltered) for single exposures and 12.8m for the sum of 20 images. More information at http://grb.fuw.edu.pl/pi/grb.htm
GCN Circular #5347
D. Fugazza (INAF/OABr), D. Malesani (SISSA/ISAS), S. Covino (INAF/OABr), report on behalf of the MISTICI collaboration:
We refine the analysis of our observations of GRB 060719 (Stamatikos et al., GCN 5339) taken at the ESO VLT (Covino et al., GCN 5341).
Observations were taken between Jul 19.301 and 19.332 UT, consisting of fifty short exposures for a total exposure time of 25 minutes.
Inside the XRT error box, only the object reported by Berger & Bonanos (GCNs 5340, 5342) is visible in our images. This object is present in the DSS (Covino et al., GCN 5341).
A 30-minutes low-resolution spectrum identifies the object as a foreground star, thanks to the identification of Balmer lines, CaII, SII and NaD features in absorption at redshift 0.
There are two further objects very close to the XRT error circle (equinox J2000):
```
  1: alpha = 01:13:43.44, delta = -48:22:58.2
  2: alpha = 01:13:43.68, delta = -38:22:51.3
```
These objects lie 5.2 and 4.4" arcsec away the XRT position, respectively, and are both pointlike and fainter than the DSS limit. Object 2 is very faint in our images.
All objects are constant within the errors during the course of our observation (~23 to 68 minutes after the trigger). We estimate the 3-sigma limiting magnitude of our images to be R ~ 25.5 (based on USNO-B1 R1 magnitudes).
We acknowledge the excellent support of the VLT staff, in particular Elena Mason.
This message can be cited.
GCN Circular #5348
M.L. Conciatore, M. Capalbi, M. Perri, L. Vetere (ASDC), D.N. Burrows (PSU) and M. Stamatikos (NASA/ORAU) report on behalf of the Swift/XRT team:
We have analyzed the first 5 orbits of XRT data from GRB 060719 (Stamatikos et al., GCN 5339). A 8.4 ks Photon Counting mode image provides a refined XRT position:
```
RA(J2000) = 01h 13m 43.57s,
Dec(J2000) = -48d 22m 55.0s
```
with an uncertainty of 3.7 arcsec (90% containment). This position is 3.1 arcsec away from the preliminary XRT position reported in GCN 5339.
The X-ray light curve displays two flares during the first orbit at about 130 seconds and 190 seconds after the BAT trigger. The afterglow decay from T+300s to T+24ks can be fit with a broken power-law with an initial decay slope of -0.2+/-0.1, a break at 6.9+/-1.7 ks, and a post-break slope of -1.3+/-0.3.
A power-law fit to the 0.3-10 keV spectrum from T+86s to T+128s gives a photon index of 3.0+/-0.4 and a column density of (2.4+/-0.9)e21 cm**-2. We note the Galactic hydrogen column density in the direction of the burst is 1.9e20cm**-2.
If the burst continues decaying at the current rate we estimate a 0.3-10 keV unabsorbed flux of ~4e-13 ergs cm**-2 s**-1 at T+24hr.
This circular is an official product of the Swift XRT Team.
GCN Circular #5349
T. Sakamoto (GSFC/ORAU), L. Barbier (GSFC), S. D. Barthelmy (GSFC), J. Cummings (GSFC/ORAU), E. Fenimore (LANL), N. Gehrels (GSFC), D. Hullinger (BYU-Idaho), H. Krimm (GSFC/USRA), M. Koss (GSFC/UMD), C. Markwardt (GSFC/UMD), D. Palmer (LANL), A. Parsons (GSFC), G. Sato (GSFC/ISAS), M. Stamatikos (GSFC/ORAU), J. Tueller (GSFC) on behalf of the Swift-BAT team:
Using the data set from T-119 to T+183 sec from recent telemetry downlinks, we report further analysis of BAT GRB 060719 (trigger #220020) (Stamatikos, et al., GCN Circ. 5339). The BAT ground-calculated position is RA,Dec = 18.418, -48.383 deg {01h 13m 40.3s, -48d 22' 58.3"} (J2000) +- 1.3 arcmin, (radius, sys+stat, 90% containment). The partial coding was 70%.
The mask-tagged lightcurve shows two peaks. The first is FRED-like and starts at T-1 and ends at T+5 sec. The second is more symmetric and starts at T+41 sec and ends at T+55 sec. T90 (15-350 keV) is 55 +- 5 sec (estimated error including systematics).
The time-averaged spectrum from T-0.2 to T+84.6 is best fit by a simple power-law model. The power law index of the time-averaged spectrum is 2.00 +- 0.11. The fluence in the 15-150 keV band is 1.6 +- 0.1 x 10^-6 erg/cm2. The 1-sec peak photon flux measured from T+0.59 sec in the 15-150 keV band is 2.3 +- 0.2 ph/cm2/sec. All the quoted errors are at the 90% confidence level.
GCN Circular #5350
D. Malesani (SISSA/ISAS), P. Jakobsson (U. Hertfordshire), J. Fynbo, M. Stritzinger (DARK, NBI), and S. Covino (INAF/OABr), report:
We observed the field of GRB 060719 (Stanatikos et al., GCN 5339) with the ESO VLT + ISAAC, starting on 2006 Jul 19.4237 UT (3.3 hr after the trigger). Images in the Js, H and Ks filters were acquired.
The three objects close to the XRT position reported by Berger & Bonanos (GCN 5340) and Fugazza et al. (GCN 5347) are detected in our images. We note that object #1 of Fugazza et al. (GCN 5347) is significantly outside the revised XRT position (Conciatore et al., GCN 5348), while object #2 is still at the border of the 90% error circle.
Object #2 is very red, as observed in KHJ images: it is well detected in Ks and barely visible in J. Compared with the R-band measurement (which, we caution, was taken at a significantly earlier epoch; GCN 5347), it has a color R-K ~ 4.5 +- 0.2. At this stage, we cannot assess, however, whether this object is related to the GRB.
A finding chart is posted at the following URL:
http://www.sissa.it/~malesani/GRB/060719
We acknowledge support from the observing staff in Paranal.
GCN Circular #5351
A. Morgan, P. Brown (PSU), M. Stamatikos (GSFC/ORAU) on behalf of the Swift/UVOT team:
The Swift UVOT began taking data on the field of GRB 060719 67 s after the BAT trigger (Stamatikos et al., GCN 5339). No new source, relative to the DSS, is seen inside the refined XRT error circle (Conciatore et al., GCN 5348). The 3-sigma upper limits for the first finding charts and the coadded images are listed below.
Finding charts:
```
Filter  Midpoint (s)  Exposure (s)    3-sigma UL
White   137           100             19.84
V       392           400             19.21
```
Coadded images:
```
Filter  T_range(s)    EXPOSURE (s)    3-sigma UL
White   87-17818      2240            21.68
V       67-22697      2117            20.27
B       669-16906     1298            21.15
U       646-6461      432             19.88
UVW1    622-24096     912             20.52
UVM2    598-23601     1279            21.15
UVW2    699-18307     1558            21.18
```
T_range is calculated from the time of the burst. These upper limits have not been corrected for the estimated Galactic reddening of E_{B-V} = 0.066 mag (Schlegel et al. 1998).
GCN Circular #5353
D. Malesani reports:
It was noted an error in the coordinates of object #1 listed in GCN 5347. The right ascension should be 01:13:43.08 rather than 01:13:43.44. To summarize, the correct coordinates of the two objects are (J2000):
```
  1: alpha = 01:13:43.08, delta = -48:22:58.2
  2: alpha = 01:13:43.68, delta = -48:22:51.3
```
The error is 0.3". The finding charts presented in GCN 5350 and posted at the URL http://www.sissa.it/~malesani/GRB/060719 are correct.
I apologize for any confusion this may have created, and thank Matteo Perri for pointing out this mistake.
GCN Circular #5354
D. Malesani (SISSA/ISAS), J. Fynbo (NBI-DARK), P. D'Avanzo (INAF-OABr), S. Covino (INAF-OABr), D. Fugazza (INAF-OABr), P. Jakobsson (Univ. Hertfordshire), P.M. Vreeswijk (ESO), report:
We observed again the field of GRB 060719 (Stamatikos et al., GCN 5339; Conciatore et al., GCN 5348) with the ESO VLT equipped with the ISAAC instrument. Observations were carried out in the Ks filter, with mean time Jul 20.41 (1.13 days after the GRB).
With respect to a previous observation (Malesani et al., GCN 5350), we observe significant fading of object #2 (Fugazza et al., GCN 5347). This object is thus the optical/NIR afterglow of GRB 060719. The observed fading, by 2.0 +- 0.2 mag, corresponds to a power-law decay slope alpha = 0.9 +- 0.1.
We acknowledge excellent support from the ESO staff, and in particular Daniel Kubas.
This message may be cited.
GCN Circular #5356
L. Calzoletti, L.A. Antonelli, S. Covino, D. Fugazza, E. Molinari, G. Chincarini, F.M. Zerbi, V. Testa, G. Tosti, F. Vitali, P. Conconi, G. Cutispoto, G. Malaspina, L. Nicastro, E. Palazzi, E. Meurs, and P. Goldoni report on behalf of the REM/ROSS team:
The 60cm robotic telescope REM (La Silla) observed automatically the field of GRB060719 starting observations on July 19.2858, i.e. 42 s after receiving the alert and 64 s after the BAT trigger (Stamatikos et al. GCN 5339), and continued to observe the field until July 19.350 UT. Preliminary results on the early observation have been already reported in GCN 5343.
All frames acquired in the J and H filters were summed to obtain final images in each filter for a total exposure time of 900s and 1200s respectively. We do not detect the infrared afterglow candidate proposed by Malesani et al. (GCN 5354). We derived the 3-sigma upper limits of J >18.2 and H >17.8, obtained on the first 450s images.
This message may be cited.
GCN Circular #5372
A. Guarnieri, C. Bartolini, G. Beskin, S. Bondar, G. Greco, S. Karpov, D. Nanni, A. Piccioni, F. Terra, E. Molinari, G. Chincarini, F. M. Zerbi, S. Covino, V. Testa, G. Tosti, F. Vitali, L. A. Antonelli, P. Conconi, G. Cutispoto, G. Malaspina, L. Nicastro, E. Palazzi, E. Meurs, P. Goldoni, on behalf of the TORTOREM Team report:
The field of GRB 060719 (Stamatikos et al. GCN 5339) was observed by the TORTORA (Telescopio Ottimizzato per la Ricerca di Transienti Ottici RApidi) wide-field fast camera (12 cm diameter, 20x25 deg FOV) mounted on REM robotic 60-cm telescope located at La Silla (Chile). The burst was outside the camera field of view. The system was repointed and the TORTORA began to acquire frames at 06:51:36 UTC (59 sec after trigger) with 7.5 Hz frame frequency (0.128 exposure). The summation of 100 frames with 12.8 s. effective exposure did not reveal any source down to the B = 12.4 mag (3-sigma). We performed the Fourier analysis of 15 min data set to search for the periodic signal at the GRB position. The upper limit for the amplitude of sinusoidal variability is B=16.5 (1-sigma) over the 0.01 - 3.5 Hz range.
The message may be cited.
GCN Circular #5466
Mark H. Wieringa (Australia Telescope National Facility), Poonam Chandra (UVA/NRAO), and Dale A. Frail (NRAO) report on behalf of a larger collaboration:
"We observed a region centered on the Swift burst GRB 060719 (GCN 5339) using the Australia Telescope Compact Array starting at UT 16:22 July 30 and ending at 00:51 July 31. No emission was seen at a frequency of 8.7 GHz within the XRT error circle. The 3-sigma detection limits are 0.18 mJy and the beam size was 1.9"x0.5"."
The Australia Telescope Compact Array is part of the Australia Telescope which is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO.
New/revised redshift from the TOUGH project, in particular: 1205.3162 1205.3490 1205.3779 1205.4036

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Jochen Greiner, last update: 08-Jul-2012 [Disclaimer]