////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Oct 26 18:53:14 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 814301594 GRB_DATE: 21334 TJD; 294 DOY; 26/10/21 GRB_TIME: 67989.11 SOD {18:53:09.11} UT TRIGGER_SIGNIF: 4.7 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 9 DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_lc_medres34_bn261021787.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 158.32,23.85 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Oct 26 18:53:37 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 814301594 GRB_RA: 246.667d {+16h 26m 40s} (J2000), 246.917d {+16h 27m 40s} (current), 246.200d {+16h 24m 48s} (1950) GRB_DEC: +34.133d {+34d 07' 60"} (J2000), +34.074d {+34d 04' 28"} (current), +34.245d {+34d 14' 41"} (1950) GRB_ERROR: 16.92 [deg radius, statistical plus systematic] GRB_INTEN: 309 [cnts/sec] DATA_SIGNIF: 4.60 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21334 TJD; 294 DOY; 26/10/21 GRB_TIME: 67989.11 SOD {18:53:09.11} UT GRB_PHI: 50.00 [deg] GRB_THETA: 125.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.55 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 92% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 206.37d {+13h 45m 30s} -10.90d {-10d 53' 56"} SUN_DIST: 59.19 [deg] Sun_angle= -2.7 [hr] (East of Sun) MOON_POSTN: 335.02d {+22h 20m 06s} -9.89d {-09d 53' 10"} MOON_DIST: 93.97 [deg] MOON_ILLUM: 79 [%] GAL_COORDS: 55.42, 43.70 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 235.34, 54.80 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_lc_medres34_bn261021787.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 158.32,23.85 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Oct 26 18:53:55 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 814301594 GRB_RA: 243.750d {+16h 15m 00s} (J2000), 244.006d {+16h 16m 01s} (current), 243.273d {+16h 13m 06s} (1950) GRB_DEC: +33.240d {+33d 14' 24"} (J2000), +33.174d {+33d 10' 27"} (current), +33.364d {+33d 21' 51"} (1950) GRB_ERROR: 11.91 [deg radius, statistical only] DATA_SIGNIF: 8.20 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 21334 TJD; 294 DOY; 26/10/21 GRB_TIME: 67989.11 SOD {18:53:09.11} UT GRB_PHI: 48.00 [deg] GRB_THETA: 123.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 206.37d {+13h 45m 30s} -10.90d {-10d 53' 57"} SUN_DIST: 56.81 [deg] Sun_angle= -2.5 [hr] (East of Sun) MOON_POSTN: 335.03d {+22h 20m 06s} -9.89d {-09d 53' 05"} MOON_DIST: 96.24 [deg] MOON_ILLUM: 79 [%] GAL_COORDS: 53.79, 46.01 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 231.81, 53.25 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_lc_medres34_bn261021787.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_814301594.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: Wed 21 Oct 26 18:55:11 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 814301594 GRB_RA: 248.390d {+16h 33m 34s} (J2000), 248.632d {+16h 34m 32s} (current), 247.940d {+16h 31m 45s} (1950) GRB_DEC: +36.280d {+36d 16' 48"} (J2000), +36.225d {+36d 13' 31"} (current), +36.384d {+36d 23' 01"} (1950) GRB_ERROR: 6.70 [deg radius, statistical only] DATA_SIGNIF: 14.30 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21334 TJD; 294 DOY; 26/10/21 GRB_TIME: 67989.11 SOD {18:53:09.11} UT GRB_PHI: 54.00 [deg] GRB_THETA: 124.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 206.38d {+13h 45m 30s} -10.90d {-10d 53' 58"} SUN_DIST: 61.67 [deg] Sun_angle= -2.8 [hr] (East of Sun) MOON_POSTN: 335.04d {+22h 20m 09s} -9.88d {-09d 52' 48"} MOON_DIST: 92.96 [deg] MOON_ILLUM: 79 [%] GAL_COORDS: 58.54, 42.52 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 236.72, 57.25 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_lc_medres34_bn261021787.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_814301594.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: Wed 21 Oct 26 19:02:31 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 814301594 GRB_RA: 245.710d {+16h 22m 50s} (J2000), 245.927d {+16h 23m 43s} (current), 245.305d {+16h 21m 13s} (1950) GRB_DEC: +42.860d {+42d 51' 36"} (J2000), +42.799d {+42d 47' 56"} (current), +42.975d {+42d 58' 32"} (1950) GRB_ERROR: 6.08 [deg radius, statistical only] GRB_DATE: 21334 TJD; 294 DOY; 26/10/21 GRB_TIME: 67989.11 SOD {18:53:09.11} UT GRB_PHI: 60.00 [deg] GRB_THETA: 119.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 206.38d {+13h 45m 31s} -10.90d {-10d 54' 04"} SUN_DIST: 64.72 [deg] Sun_angle= -2.6 [hr] (East of Sun) MOON_POSTN: 335.09d {+22h 20m 23s} -9.85d {-09d 51' 05"} MOON_DIST: 96.07 [deg] MOON_ILLUM: 79 [%] GAL_COORDS: 67.56, 44.76 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 228.63, 62.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_lc_medres34_bn261021787.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn261021787/quicklook/glg_locplot_all_bn261021787.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.