(All information courtesy of the instrument teams.)
Previous IAU Circulars
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:07:46 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 510502047 GRB_RA: 164.667d {+10h 58m 40s} (J2000), 164.921d {+10h 59m 41s} (current), 163.923d {+10h 55m 42s} (1950) GRB_DEC: +53.733d {+53d 43' 60"} (J2000), +53.641d {+53d 38' 28"} (current), +54.001d {+54d 00' 05"} (1950) GRB_ERROR: 21.03 [deg radius, statistical plus systematic] GRB_INTEN: 140 [cnts/sec] DATA_SIGNIF: 6.50 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 221.00 [deg] GRB_THETA: 60.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.71 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 2% Generic Transient DETECTORS: 0,0,0, 0,0,0, 0,1,0, 0,0,1, 0,0, SUN_POSTN: 347.29d {+23h 09m 11s} -5.45d {-05d 26' 44"} SUN_DIST: 131.77 [deg] Sun_angle= -11.8 [hr] (East of Sun) MOON_POSTN: 90.72d {+06h 02m 53s} +18.74d {+18d 44' 25"} MOON_DIST: 65.69 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 153.15, 56.27 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 140.86, 42.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 57.57,25.52 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:07:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 510502047 GRB_RA: 168.050d {+11h 12m 12s} (J2000), 168.290d {+11h 13m 10s} (current), 167.349d {+11h 09m 24s} (1950) GRB_DEC: +45.390d {+45d 23' 24"} (J2000), +45.296d {+45d 17' 47"} (current), +45.662d {+45d 39' 43"} (1950) GRB_ERROR: 7.31 [deg radius, statistical only] DATA_SIGNIF: 9.00 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 214.00 [deg] GRB_THETA: 66.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4153 (Gnd S/W Version number) SUN_POSTN: 347.29d {+23h 09m 11s} -5.45d {-05d 26' 43"} SUN_DIST: 140.14 [deg] Sun_angle= 11.9 [hr] (West of Sun) MOON_POSTN: 90.72d {+06h 02m 54s} +18.74d {+18d 44' 25"} MOON_DIST: 68.17 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 163.61, 63.12 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 148.77, 36.54 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_510502047.fits 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: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:07:56 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 510502047 GRB_RA: 155.750d {+10h 23m 00s} (J2000), 156.030d {+10h 24m 07s} (current), 154.932d {+10h 19m 44s} (1950) GRB_DEC: +56.717d {+56d 43' 00"} (J2000), +56.629d {+56d 37' 46"} (current), +56.970d {+56d 58' 11"} (1950) GRB_ERROR: 6.82 [deg radius, statistical plus systematic] GRB_INTEN: 718 [cnts/sec] DATA_SIGNIF: 32.40 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 223.00 [deg] GRB_THETA: 55.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.57 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 0,0,0, 0,1,0, 0,0,1, 0,0, SUN_POSTN: 347.29d {+23h 09m 11s} -5.45d {-05d 26' 43"} SUN_DIST: 128.04 [deg] Sun_angle= -11.2 [hr] (East of Sun) MOON_POSTN: 90.72d {+06h 02m 54s} +18.74d {+18d 44' 25"} MOON_DIST: 60.93 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 154.24, 50.42 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 132.85, 42.64 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 57.57,25.52 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:08:03 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 70 TRIGGER_NUM: 510502047 GRB_RA: 155.100d {+10h 20m 24s} (J2000), 155.381d {+10h 21m 31s} (current), 154.278d {+10h 17m 07s} (1950) GRB_DEC: +56.567d {+56d 34' 00"} (J2000), +56.480d {+56d 28' 47"} (current), +56.818d {+56d 49' 06"} (1950) GRB_ERROR: 4.58 [deg radius, statistical plus systematic] GRB_INTEN: 750 [cnts/sec] DATA_SIGNIF: 67.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 223.00 [deg] GRB_THETA: 55.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.62 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 3% Generic Transient DETECTORS: 0,0,0, 0,0,0, 0,1,0, 0,0,1, 0,0, SUN_POSTN: 347.29d {+23h 09m 11s} -5.45d {-05d 26' 43"} SUN_DIST: 128.10 [deg] Sun_angle= -11.2 [hr] (East of Sun) MOON_POSTN: 90.72d {+06h 02m 54s} +18.74d {+18d 44' 25"} MOON_DIST: 60.55 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 154.73, 50.19 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 132.53, 42.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 57.57,25.52 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:08:52 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 510502047 GRB_RA: 161.110d {+10h 44m 26s} (J2000), 161.363d {+10h 45m 27s} (current), 160.371d {+10h 41m 29s} (1950) GRB_DEC: +46.980d {+46d 58' 48"} (J2000), +46.889d {+46d 53' 22"} (current), +47.243d {+47d 14' 34"} (1950) GRB_ERROR: 2.57 [deg radius, statistical only] DATA_SIGNIF: 29.30 [sigma] DATA_INTERVAL: 11.264 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 213.00 [deg] GRB_THETA: 61.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41531 (Gnd S/W Version number) SUN_POSTN: 347.30d {+23h 09m 11s} -5.45d {-05d 26' 42"} SUN_DIST: 138.24 [deg] Sun_angle= -11.6 [hr] (East of Sun) MOON_POSTN: 90.73d {+06h 02m 56s} +18.74d {+18d 44' 27"} MOON_DIST: 63.31 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 165.85, 58.18 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 142.60, 35.66 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_510502047.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:08:56 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 510502047 GRB_RA: 160.940d {+10h 43m 46s} (J2000), 161.193d {+10h 44m 46s} (current), 160.200d {+10h 40m 48s} (1950) GRB_DEC: +46.930d {+46d 55' 48"} (J2000), +46.840d {+46d 50' 22"} (current), +47.193d {+47d 11' 33"} (1950) GRB_ERROR: 2.00 [deg radius, statistical only] DATA_SIGNIF: 51.70 [sigma] DATA_INTERVAL: 13.312 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 213.00 [deg] GRB_THETA: 61.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41531 (Gnd S/W Version number) SUN_POSTN: 347.30d {+23h 09m 11s} -5.45d {-05d 26' 42"} SUN_DIST: 138.27 [deg] Sun_angle= -11.6 [hr] (East of Sun) MOON_POSTN: 90.73d {+06h 02m 56s} +18.74d {+18d 44' 27"} MOON_DIST: 63.19 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 166.03, 58.10 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 142.50, 35.56 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_510502047.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:09:06 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 4 TRIGGER_NUM: 510502047 GRB_RA: 160.660d {+10h 42m 38s} (J2000), 160.914d {+10h 43m 39s} (current), 159.919d {+10h 39m 41s} (1950) GRB_DEC: +46.860d {+46d 51' 36"} (J2000), +46.770d {+46d 46' 11"} (current), +47.122d {+47d 07' 20"} (1950) GRB_ERROR: 1.50 [deg radius, statistical only] DATA_SIGNIF: 70.00 [sigma] DATA_INTERVAL: 16.384 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 213.00 [deg] GRB_THETA: 61.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41531 (Gnd S/W Version number) SUN_POSTN: 347.30d {+23h 09m 11s} -5.45d {-05d 26' 42"} SUN_DIST: 138.31 [deg] Sun_angle= -11.6 [hr] (East of Sun) MOON_POSTN: 90.74d {+06h 02m 57s} +18.74d {+18d 44' 27"} MOON_DIST: 63.00 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 166.31, 57.96 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 142.34, 35.41 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_510502047.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 14:09:18 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 5 TRIGGER_NUM: 510502047 GRB_RA: 159.460d {+10h 37m 50s} (J2000), 159.717d {+10h 38m 52s} (current), 158.709d {+10h 34m 50s} (1950) GRB_DEC: +47.950d {+47d 57' 00"} (J2000), +47.860d {+47d 51' 37"} (current), +48.210d {+48d 12' 36"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] DATA_SIGNIF: 89.30 [sigma] DATA_INTERVAL: 21.504 [sec] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT GRB_PHI: 214.00 [deg] GRB_THETA: 60.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41531 (Gnd S/W Version number) SUN_POSTN: 347.30d {+23h 09m 11s} -5.45d {-05d 26' 42"} SUN_DIST: 137.09 [deg] Sun_angle= -11.5 [hr] (East of Sun) MOON_POSTN: 90.74d {+06h 02m 57s} +18.74d {+18d 44' 27"} MOON_DIST: 62.22 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 165.18, 56.75 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 140.83, 36.00 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2017/bn170306588/quicklook/glg_lc_medres34_bn170306588.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_510502047.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: This is likely a Long GRB. 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: The POS_MAP_URL file will not be created/available until ~1.5 min after the notice.
TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 06 Mar 17 17:45:35 UT NOTICE_TYPE: Fermi-LAT Offline Position TRIGGER_NUM: 170306588 GRB_RA: 154.650d {+10h 18m 36s} (J2000), 154.921d {+10h 19m 41s} (current), 153.856d {+10h 15m 25s} (1950) GRB_DEC: +51.630d {+51d 37' 48"} (J2000), +51.543d {+51d 32' 37"} (current), +51.881d {+51d 52' 51"} (1950) GRB_ERROR: 39.00 [arcmin radius, 90% containment, statistical only] GRB_DATE: 17818 TJD; 65 DOY; 17/03/06 GRB_TIME: 50842.27 SOD {14:07:22.27} UT TRIGGER_ID: 0x0 MISC: 0x40000000 SUN_POSTN: 347.43d {+23h 09m 44s} -5.39d {-05d 23' 12"} SUN_DIST: 132.69 [deg] Sun_angle= -11.2 [hr] (East of Sun) MOON_POSTN: 92.96d {+06h 11m 50s} +18.81d {+18d 48' 31"} MOON_DIST: 58.05 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 161.86, 52.33 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 135.27, 37.85 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: Fermi LAT Offline position. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: It is the result of human-in-the-loop processing. COMMENTS: This is a human generated position of a LAT ground detection. COMMENTS: This source corresponds to GBM trigger.
RA : 154.650 [deg] Dec: 51.630 [deg] Err: 39.00 [arcmin] the incident angle in the POLAR coordinate at T0 is: Theta: 87.0 [deg] Phi: 98.4 [deg]The analysis results presented above are preliminary. POLAR is a dedicated Gamma-Ray Burst polarimeter which was launched on-board the Chinese space laboratory Tiangong-2 (TG-2) on Sep 15, 2016.