////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 10 Sep 26 23:16:50 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 810775009 GRB_DATE: 21293 TJD; 253 DOY; 26/09/10 GRB_TIME: 83804.57 SOD {23:16:44.57} UT TRIGGER_SIGNIF: 5.5 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 4 DETECTORS: 0,0,0, 0,1,0, 0,1,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_lc_medres34_bn260910970.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 212.88,-18.15 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 10 Sep 26 23:17:03 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 810775009 GRB_RA: 255.833d {+17h 03m 20s} (J2000), 256.243d {+17h 04m 58s} (current), 255.066d {+17h 00m 16s} (1950) GRB_DEC: -25.167d {-25d 10' 00"} (J2000), -25.203d {-25d 12' 08"} (current), -25.097d {-25d 05' 47"} (1950) GRB_ERROR: 17.63 [deg radius, statistical plus systematic] GRB_INTEN: 309 [cnts/sec] DATA_SIGNIF: 8.00 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21293 TJD; 253 DOY; 26/09/10 GRB_TIME: 83804.57 SOD {23:16:44.57} UT GRB_PHI: 263.00 [deg] GRB_THETA: 70.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.09 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 4% SGR_1806n20 DETECTORS: 0,0,0, 0,1,0, 0,1,1, 0,0,0, 0,0, SUN_POSTN: 169.20d {+11h 16m 48s} +4.64d {+04d 38' 34"} SUN_DIST: 89.31 [deg] Sun_angle= -5.8 [hr] (East of Sun) MOON_POSTN: 166.48d {+11h 05m 55s} +4.12d {+04d 07' 04"} MOON_DIST: 91.54 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 357.86, 9.91 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 257.19, -2.36 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_lc_medres34_bn260910970.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 212.88,-18.15 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 10 Sep 26 23:17:21 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 810775009 GRB_RA: 258.310d {+17h 13m 14s} (J2000), 258.714d {+17h 14m 51s} (current), 257.554d {+17h 10m 13s} (1950) GRB_DEC: -22.980d {-22d 58' 47"} (J2000), -23.010d {-23d 00' 34"} (current), -22.922d {-22d 55' 17"} (1950) GRB_ERROR: 14.26 [deg radius, statistical only] DATA_SIGNIF: 9.20 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 21293 TJD; 253 DOY; 26/09/10 GRB_TIME: 83804.57 SOD {23:16:44.57} UT GRB_PHI: 262.00 [deg] GRB_THETA: 73.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 169.20d {+11h 16m 48s} +4.64d {+04d 38' 34"} SUN_DIST: 91.37 [deg] Sun_angle= -6.0 [hr] (East of Sun) MOON_POSTN: 166.48d {+11h 05m 55s} +4.12d {+04d 06' 59"} MOON_DIST: 93.66 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 1.00, 9.35 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 259.25, 0.02 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_lc_medres34_bn260910970.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_810775009.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: Bright hard burst in the GBM. 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: Thu 10 Sep 26 23:18:29 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 810775009 GRB_RA: 358.280d {+23h 53m 07s} (J2000), 358.617d {+23h 54m 28s} (current), 357.652d {+23h 50m 37s} (1950) GRB_DEC: +52.720d {+52d 43' 12"} (J2000), +52.869d {+52d 52' 07"} (current), +52.442d {+52d 26' 30"} (1950) GRB_ERROR: 13.93 [deg radius, statistical only] DATA_SIGNIF: 4.10 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21293 TJD; 253 DOY; 26/09/10 GRB_TIME: 83804.57 SOD {23:16:44.57} UT GRB_PHI: 141.00 [deg] GRB_THETA: 166.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 169.20d {+11h 16m 48s} +4.64d {+04d 38' 33"} SUN_DIST: 121.94 [deg] Sun_angle= 11.4 [hr] (West of Sun) MOON_POSTN: 166.49d {+11h 05m 58s} +4.11d {+04d 06' 41"} MOON_DIST: 122.11 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 114.05, -9.14 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 26.35, 47.50 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_lc_medres34_bn260910970.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_810775009.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: Thu 10 Sep 26 23:26:01 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 810775009 GRB_RA: 260.770d {+17h 23m 05s} (J2000), 261.114d {+17h 24m 27s} (current), 260.126d {+17h 20m 30s} (1950) GRB_DEC: -0.670d {-00d 40' 11"} (J2000), -0.693d {-00d 41' 35"} (current), -0.624d {-00d 37' 25"} (1950) GRB_ERROR: 6.16 [deg radius, statistical only] GRB_DATE: 21293 TJD; 253 DOY; 26/09/10 GRB_TIME: 83804.57 SOD {23:16:44.57} UT GRB_PHI: 270.00 [deg] GRB_THETA: 94.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 169.21d {+11h 16m 49s} +4.64d {+04d 38' 26"} SUN_DIST: 91.96 [deg] Sun_angle= -6.1 [hr] (East of Sun) MOON_POSTN: 166.55d {+11h 06m 13s} +4.08d {+04d 04' 40"} MOON_DIST: 94.60 [deg] MOON_ILLUM: 0 [%] GAL_COORDS: 21.83, 19.23 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 260.01, 22.45 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_lc_medres34_bn260910970.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260910970/quicklook/glg_locplot_all_bn260910970.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 Short GRB.