(All information courtesy of the instrument teams.)
Previous IAU Circulars
TITLE: GCN/INTEGRAL NOTICE NOTICE_DATE: Fri 20 Nov 15 08:23:03 UT NOTICE_TYPE: INTEGRAL Wakeup TRIGGER_NUM: 7295, Sub_Num: 0 GRB_RA: 157.2404d {+10h 28m 58s} (J2000), 157.4221d {+10h 29m 41s} (current), 156.6690d {+10h 26m 41s} (1950) GRB_DEC: -32.5238d {-32d 31' 25"} (J2000), -32.6054d {-32d 36' 18"} (current), -32.2676d {-32d 16' 02"} (1950) GRB_ERROR: 2.83 [arcmin, radius, statistical only] GRB_INTEN: 12.96 [sigma] GRB_TIME: 30176.17 SOD {08:22:56.17} UT GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 SC_RA: 162.99 [deg] (J2000) SC_DEC: -39.18 [deg] (J2000) SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 28"} SUN_DIST: 69.75 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 342.69d {+22h 50m 46s} -5.83d {-05d 49' 34"} MOON_DIST: 141.24 [deg] GAL_COORDS: 271.10, 21.40 [deg] galactic lon,lat of the burst ECL_COORDS: 173.73,-38.54 [deg] ecliptic lon,lat of the burst COMMENTS: INTEGRAL GRB Coordinates. COMMENTS: Time_Scale=0.1599 and Time_Error=2.0000. COMMENTS: Possibly real GRB event COMMENTS: COMMENTS: NOTE: This INTEGRAL event is temporally(3.0<100sec) coincident with the FERMI_GBM event (trignum=469700577).
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 20 Nov 15 08:23:18 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 469700577 GRB_RA: 156.333d {+10h 25m 20s} (J2000), 156.514d {+10h 26m 03s} (current), 155.765d {+10h 23m 04s} (1950) GRB_DEC: -32.750d {-32d 45' 00"} (J2000), -32.831d {-32d 49' 51"} (current), -32.496d {-32d 29' 43"} (1950) GRB_ERROR: 9.87 [deg radius, statistical plus systematic] GRB_INTEN: 327 [cnts/sec] DATA_SIGNIF: 16.50 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 GRB_TIME: 30173.70 SOD {08:22:53.70} UT GRB_PHI: 39.00 [deg] GRB_THETA: 65.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.36 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 84% GRB 2nd_MOST_LIKELY: 13% Distant Particles DETECTORS: 0,1,1, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 28"} SUN_DIST: 70.45 [deg] Sun_angle= 5.3 [hr] (West of Sun) MOON_POSTN: 342.69d {+22h 50m 46s} -5.83d {-05d 49' 32"} MOON_DIST: 140.90 [deg] MOON_ILLUM: 62 [%] GAL_COORDS: 270.56, 20.78 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 173.00,-39.10 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2015/bn151120349/quicklook/glg_lc_medres34_bn151120349.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 270.33,16.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(3.0<100sec) coincident with the INTEGRAL event (trignum=7295).
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 20 Nov 15 08:23:29 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 469700577 GRB_RA: 150.183d {+10h 00m 44s} (J2000), 150.359d {+10h 01m 26s} (current), 149.632d {+09h 58m 32s} (1950) GRB_DEC: -32.700d {-32d 42' 00"} (J2000), -32.777d {-32d 46' 35"} (current), -32.459d {-32d 27' 32"} (1950) GRB_ERROR: 6.75 [deg radius, statistical plus systematic] GRB_INTEN: 278 [cnts/sec] DATA_SIGNIF: 25.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 GRB_TIME: 30173.70 SOD {08:22:53.70} UT GRB_PHI: 41.00 [deg] GRB_THETA: 60.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.54 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 5% Distant Particles DETECTORS: 0,1,1, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 28"} SUN_DIST: 75.51 [deg] Sun_angle= 5.7 [hr] (West of Sun) MOON_POSTN: 342.69d {+22h 50m 47s} -5.83d {-05d 49' 30"} MOON_DIST: 139.66 [deg] MOON_ILLUM: 62 [%] GAL_COORDS: 266.15, 17.71 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 166.97,-41.46 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2015/bn151120349/quicklook/glg_lc_medres34_bn151120349.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 270.33,16.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(3.0<100sec) coincident with the INTEGRAL event (trignum=7295).
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 20 Nov 15 08:23:31 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 469700577 GRB_RA: 159.560d {+10h 38m 14s} (J2000), 159.741d {+10h 38m 58s} (current), 158.992d {+10h 35m 58s} (1950) GRB_DEC: -36.560d {-36d 33' 35"} (J2000), -36.643d {-36d 38' 33"} (current), -36.300d {-36d 17' 58"} (1950) GRB_ERROR: 2.94 [deg radius, statistical only] DATA_SIGNIF: 31.60 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 GRB_TIME: 30173.70 SOD {08:22:53.70} UT GRB_PHI: 34.00 [deg] GRB_THETA: 66.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4153 (Gnd S/W Version number) SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 28"} SUN_DIST: 67.20 [deg] Sun_angle= 5.0 [hr] (West of Sun) MOON_POSTN: 342.69d {+22h 50m 47s} -5.83d {-05d 49' 29"} MOON_DIST: 137.44 [deg] MOON_ILLUM: 62 [%] GAL_COORDS: 275.13, 19.02 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 178.45,-41.15 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2015/bn151120349/quicklook/glg_lc_medres34_bn151120349.gif COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: The LC_URL file will not be created/available until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(3.0<100sec) coincident with the INTEGRAL event (trignum=7295).
TITLE: GCN/INTEGRAL NOTICE NOTICE_DATE: Fri 20 Nov 15 08:23:14 UT NOTICE_TYPE: INTEGRAL Refined TRIGGER_NUM: 7295, Sub_Num: 1 GRB_RA: 157.2305d {+10h 28m 55s} (J2000), 157.4122d {+10h 29m 39s} (current), 156.6592d {+10h 26m 38s} (1950) GRB_DEC: -32.5375d {-32d 32' 14"} (J2000), -32.6191d {-32d 37' 08"} (current), -32.2813d {-32d 16' 52"} (1950) GRB_ERROR: 2.57 [arcmin, radius, statistical only] GRB_INTEN: 27.96 [sigma] GRB_TIME: 30183.14 SOD {08:23:03.14} UT GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 SC_RA: 162.99 [deg] (J2000) SC_DEC: -39.18 [deg] (J2000) SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 28"} SUN_DIST: 69.75 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 342.69d {+22h 50m 46s} -5.83d {-05d 49' 32"} MOON_DIST: 141.23 [deg] GAL_COORDS: 271.10, 21.38 [deg] galactic lon,lat of the burst ECL_COORDS: 173.73,-38.55 [deg] ecliptic lon,lat of the burst COMMENTS: INTEGRAL GRB Coordinates. COMMENTS: Time_Scale=0.0320 and Time_Error=2.0000. COMMENTS: Possibly real GRB event COMMENTS: COMMENTS: NOTE: This INTEGRAL event is temporally(10.0<100sec) coincident with the FERMI_GBM event (trignum=469700577).
TITLE: GCN/INTEGRAL NOTICE NOTICE_DATE: Fri 20 Nov 15 08:25:59 UT NOTICE_TYPE: INTEGRAL Refined TRIGGER_NUM: 7295, Sub_Num: 2 GRB_RA: 157.2326d {+10h 28m 56s} (J2000), 157.4143d {+10h 29m 39s} (current), 156.6613d {+10h 26m 39s} (1950) GRB_DEC: -32.5353d {-32d 32' 06"} (J2000), -32.6169d {-32d 37' 00"} (current), -32.2791d {-32d 16' 44"} (1950) GRB_ERROR: 2.55 [arcmin, radius, statistical only] GRB_INTEN: 30.34 [sigma] GRB_TIME: 30190.12 SOD {08:23:10.12} UT GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 SC_RA: 162.99 [deg] (J2000) SC_DEC: -39.18 [deg] (J2000) SUN_POSTN: 235.42d {+15h 41m 40s} -19.64d {-19d 38' 29"} SUN_DIST: 69.75 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 342.72d {+22h 50m 52s} -5.82d {-05d 49' 03"} MOON_DIST: 141.24 [deg] GAL_COORDS: 271.10, 21.39 [deg] galactic lon,lat of the burst ECL_COORDS: 173.73,-38.55 [deg] ecliptic lon,lat of the burst COMMENTS: INTEGRAL GRB Coordinates. COMMENTS: Time_Scale=20.0000 and Time_Error=20.0000. COMMENTS: Possibly real GRB event COMMENTS: COMMENTS: NOTE: This INTEGRAL event is temporally(17.0<100sec) coincident with the FERMI_GBM event (trignum=469700577).
TITLE: GCN/INTEGRAL NOTICE NOTICE_DATE: Fri 20 Nov 15 09:13:25 UT NOTICE_TYPE: INTEGRAL Offline TRIGGER_NUM: 7295, Sub_Num: 3 GRB_RA: 157.2502d {+10h 29m 00s} (J2000), 157.4319d {+10h 29m 44s} (current), 156.6788d {+10h 26m 43s} (1950) GRB_DEC: -32.5236d {-32d 31' 24"} (J2000), -32.6052d {-32d 36' 18"} (current), -32.2674d {-32d 16' 02"} (1950) GRB_ERROR: 1.50 [arcmin, radius, statistical only] GRB_INTEN: 30.34 [sigma] GRB_TIME: 30190.12 SOD {08:23:10.12} UT GRB_DATE: 17346 TJD; 324 DOY; 15/11/20 SC_RA: 162.99 [deg] (J2000) SC_DEC: -39.18 [deg] (J2000) SUN_POSTN: 235.45d {+15h 41m 48s} -19.65d {-19d 38' 56"} SUN_DIST: 69.76 [deg] Sun_angle= 5.2 [hr] (West of Sun) MOON_POSTN: 343.17d {+22h 52m 40s} -5.68d {-05d 40' 42"} MOON_DIST: 141.33 [deg] GAL_COORDS: 271.11, 21.40 [deg] galactic lon,lat of the burst ECL_COORDS: 173.74,-38.53 [deg] ecliptic lon,lat of the burst COMMENTS: INTEGRAL GRB Coordinates. COMMENTS: Time_Scale=20.0000 and Time_Error=20.0000. COMMENTS: refined_coordinates_after_offline_analysis COMMENTS: COMMENTS: NOTE: This INTEGRAL event is temporally(17.0<100sec) coincident with the FERMI_GBM event (trignum=469700577).
R.A.= 157.2502 deg DEC.= -32.5237 degwith an uncertainty of 1.5 arcmin (90% c.l.).
RA (J2000): 10:28:57.94 Dec (J2000): -32:31:35.1with an estimated uncertainty of 0.5" in each coordinate.
g = 20.0 +- 0.1 r = 19.4 +- 0.1 i = 19.0 +- 0.1 z = 18.8 +- 0.1 J = 18.2 +- 0.1 H = 18.0 +- 0.2 K = 18.0 +- 0.3These measurements are in the AB system and calibrated against GROND zero-points in griz as well as 2MASS field stars in JHK. They are not corrected for the expected Galactic foreground extinction corresponding to a reddening of E_(B-V)=0.07 mag in the direction of the burst (Schlafly & Finkbeiner et al. 2011).
RA (J2000): 10:28:57.83 Dec(J2000): -32:31:34.2with an uncertainty of 3.6 arcsec (radius, 90% confidence). This position is 29 arcsec from the INTEGRAL position and 1.6 arcsec from the afterglow detected by GROND (GCN 18624).
Total column: 2.7 (+1.3, -1.1) x 10^21 cm^-2 Galactic foreground: 9.0 x 10^20 cm^-2 Excess significance: 2.8 sigma Photon index: 2.00 (+0.31, -0.28)If the light curve continues to decay with a power-law decay index of 2.3, the count rate at T+24 hours will be 2.1 x 10^-3 count s^-1, corresponding to an observed (unabsorbed) 0.3-10 keV flux of 7.5 x 10^-14 (1.1 x 10^-13) erg cm^-2 s^-1.