////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 09:29:21 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 811675753 GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 34148.42 SOD {09:29:08.42} UT TRIGGER_SIGNIF: 4.6 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_lc_medres34_bn260921395.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 76.47,-15.88 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 09:29:28 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 811675753 GRB_RA: 151.850d {+10h 07m 24s} (J2000), 152.187d {+10h 08m 45s} (current), 151.220d {+10h 04m 53s} (1950) GRB_DEC: -4.683d {-04d 40' 59"} (J2000), -4.815d {-04d 48' 52"} (current), -4.439d {-04d 26' 18"} (1950) GRB_ERROR: 17.50 [deg radius, statistical plus systematic] GRB_INTEN: 202 [cnts/sec] DATA_SIGNIF: 7.20 [sigma] INTEG_TIME: 0.512 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 34148.42 SOD {09:29:08.42} UT GRB_PHI: 25.00 [deg] GRB_THETA: 85.00 [deg] DATA_TIME_SCALE: 0.5120 [sec] HARD_RATIO: 0.97 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 3% Solar Flare DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 178.55d {+11h 54m 12s} +0.63d {+00d 37' 43"} SUN_DIST: 26.89 [deg] Sun_angle= 1.8 [hr] (West of Sun) MOON_POSTN: 298.75d {+19h 55m 00s} -23.80d {-23d 48' 05"} MOON_DIST: 136.63 [deg] MOON_ILLUM: 73 [%] GAL_COORDS: 245.37, 39.21 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 155.58,-15.19 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_lc_medres34_bn260921395.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 76.47,-15.88 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1512356). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 09:29:37 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 59 TRIGGER_NUM: 811675753 GRB_RA: 144.833d {+09h 39m 20s} (J2000), 145.170d {+09h 40m 41s} (current), 144.204d {+09h 36m 49s} (1950) GRB_DEC: -4.067d {-04d 04' 00"} (J2000), -4.189d {-04d 11' 18"} (current), -3.840d {-03d 50' 23"} (1950) GRB_ERROR: 4.68 [deg radius, statistical plus systematic] GRB_INTEN: 690 [cnts/sec] DATA_SIGNIF: 51.30 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 34148.42 SOD {09:29:08.42} UT GRB_PHI: 30.00 [deg] GRB_THETA: 90.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.76 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 97% GRB 2nd_MOST_LIKELY: 2% Generic Transient DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 178.55d {+11h 54m 12s} +0.63d {+00d 37' 43"} SUN_DIST: 33.70 [deg] Sun_angle= 2.2 [hr] (West of Sun) MOON_POSTN: 298.75d {+19h 55m 00s} -23.80d {-23d 48' 04"} MOON_DIST: 141.97 [deg] MOON_ILLUM: 73 [%] GAL_COORDS: 239.28, 34.15 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 148.54,-17.07 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_lc_medres34_bn260921395.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 76.47,-15.88 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1512356). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 09:29:46 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 811675753 GRB_RA: 148.390d {+09h 53m 34s} (J2000), 148.736d {+09h 54m 57s} (current), 147.742d {+09h 50m 58s} (1950) GRB_DEC: +2.660d {+02d 39' 36"} (J2000), +2.533d {+02d 31' 59"} (current), +2.896d {+02d 53' 47"} (1950) GRB_ERROR: 1.66 [deg radius, statistical only] DATA_SIGNIF: 55.60 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 34148.42 SOD {09:29:08.42} UT GRB_PHI: 23.00 [deg] GRB_THETA: 93.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 178.55d {+11h 54m 12s} +0.63d {+00d 37' 43"} SUN_DIST: 29.86 [deg] Sun_angle= 2.0 [hr] (West of Sun) MOON_POSTN: 298.75d {+19h 55m 00s} -23.80d {-23d 48' 03"} MOON_DIST: 144.05 [deg] MOON_ILLUM: 73 [%] GAL_COORDS: 235.00, 40.96 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 149.61, -9.54 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_lc_medres34_bn260921395.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_811675753.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1512356). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 09:38:30 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 811675753 GRB_RA: 148.870d {+09h 55m 29s} (J2000), 149.213d {+09h 56m 51s} (current), 148.228d {+09h 52m 55s} (1950) GRB_DEC: +0.580d {+00d 34' 48"} (J2000), +0.452d {+00d 27' 09"} (current), +0.818d {+00d 49' 03"} (1950) GRB_ERROR: 1.41 [deg radius, statistical only] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 34148.42 SOD {09:29:08.42} UT GRB_PHI: 24.00 [deg] GRB_THETA: 91.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 178.56d {+11h 54m 13s} +0.63d {+00d 37' 34"} SUN_DIST: 29.34 [deg] Sun_angle= 2.0 [hr] (West of Sun) MOON_POSTN: 298.83d {+19h 55m 19s} -23.78d {-23d 46' 54"} MOON_DIST: 142.43 [deg] MOON_ILLUM: 73 [%] GAL_COORDS: 237.61, 40.16 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 150.80,-11.32 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_lc_medres34_bn260921395.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921395/quicklook/glg_locplot_all_bn260921395.png COMMENTS: Fermi-GBM Final Position. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: The LC_URL file should be available by the time this FINAL notice is produced. COMMENTS: This notice was generated completely by automated pipeline processing. COMMENTS: This is likely a Long GRB. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1512356).