////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Sep 26 21:44:41 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 811719882 GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 2.048 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 14 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,1,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 172.73,-23.70 [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 21:45:06 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 811719882 GRB_RA: 64.483d {+04h 17m 56s} (J2000), 64.859d {+04h 19m 26s} (current), 63.781d {+04h 15m 07s} (1950) GRB_DEC: +13.883d {+13d 52' 60"} (J2000), +13.947d {+13d 56' 49"} (current), +13.762d {+13d 45' 43"} (1950) GRB_ERROR: 24.05 [deg radius, statistical plus systematic] GRB_INTEN: 86 [cnts/sec] DATA_SIGNIF: 4.80 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 115.00 [deg] GRB_THETA: 90.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.15 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 82% GRB 2nd_MOST_LIKELY: 15% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,1,0, 0,0, SUN_POSTN: 179.01d {+11h 56m 02s} +0.43d {+00d 25' 48"} SUN_DIST: 113.28 [deg] Sun_angle= 7.6 [hr] (West of Sun) MOON_POSTN: 305.17d {+20h 20m 40s} -22.04d {-22d 02' 21"} MOON_DIST: 122.42 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 180.24,-25.28 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 65.06, -7.37 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 172.73,-23.70 [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 21:45:15 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 57 TRIGGER_NUM: 811719882 GRB_RA: 75.067d {+05h 00m 16s} (J2000), 75.442d {+05h 01m 46s} (current), 74.366d {+04h 57m 28s} (1950) GRB_DEC: +12.683d {+12d 40' 60"} (J2000), +12.721d {+12d 43' 16"} (current), +12.610d {+12d 36' 36"} (1950) GRB_ERROR: 12.50 [deg radius, statistical plus systematic] GRB_INTEN: 104 [cnts/sec] DATA_SIGNIF: 7.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 106.00 [deg] GRB_THETA: 85.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.45 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 59% GRB 2nd_MOST_LIKELY: 31% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,1,0, 0,0, SUN_POSTN: 179.01d {+11h 56m 02s} +0.43d {+00d 25' 48"} SUN_DIST: 103.13 [deg] Sun_angle= 6.9 [hr] (West of Sun) MOON_POSTN: 305.17d {+20h 20m 40s} -22.04d {-22d 02' 20"} MOON_DIST: 131.85 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 187.91,-17.74 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 75.21, -9.99 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 172.73,-23.70 [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 21:45:25 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 56 TRIGGER_NUM: 811719882 GRB_RA: 67.380d {+04h 29m 31s} (J2000), 67.765d {+04h 31m 04s} (current), 66.661d {+04h 26m 39s} (1950) GRB_DEC: +17.170d {+17d 10' 12"} (J2000), +17.227d {+17d 13' 36"} (current), +17.061d {+17d 03' 41"} (1950) GRB_ERROR: 12.47 [deg radius, statistical only] DATA_SIGNIF: 9.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 111.00 [deg] GRB_THETA: 92.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 179.01d {+11h 56m 02s} +0.43d {+00d 25' 48"} SUN_DIST: 110.11 [deg] Sun_angle= 7.4 [hr] (West of Sun) MOON_POSTN: 305.17d {+20h 20m 41s} -22.04d {-22d 02' 18"} MOON_DIST: 126.02 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 179.40,-21.03 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 68.37, -4.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_811719882.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 21 Sep 26 21:46:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 811719882 GRB_RA: 70.990d {+04h 43m 58s} (J2000), 71.369d {+04h 45m 29s} (current), 70.282d {+04h 41m 08s} (1950) GRB_DEC: +14.530d {+14d 31' 48"} (J2000), +14.578d {+14d 34' 41"} (current), +14.438d {+14d 26' 16"} (1950) GRB_ERROR: 4.62 [deg radius, statistical only] DATA_SIGNIF: 14.20 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 109.00 [deg] GRB_THETA: 88.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 179.01d {+11h 56m 02s} +0.43d {+00d 25' 47"} SUN_DIST: 106.94 [deg] Sun_angle= 7.2 [hr] (West of Sun) MOON_POSTN: 305.18d {+20h 20m 42s} -22.04d {-22d 02' 11"} MOON_DIST: 128.62 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 183.90,-19.91 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 71.45, -7.69 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_811719882.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 21 Sep 26 21:46:38 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 811719882 GRB_RA: 63.610d {+04h 14m 26s} (J2000), 64.032d {+04h 16m 08s} (current), 62.821d {+04h 11m 17s} (1950) GRB_DEC: +30.880d {+30d 52' 48"} (J2000), +30.946d {+30d 56' 44"} (current), +30.755d {+30d 45' 16"} (1950) GRB_ERROR: 2.19 [deg radius, statistical only] DATA_SIGNIF: 24.60 [sigma] DATA_INTERVAL: 21.504 [sec] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 108.00 [deg] GRB_THETA: 106.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 179.01d {+11h 56m 02s} +0.43d {+00d 25' 46"} SUN_DIST: 110.99 [deg] Sun_angle= 7.7 [hr] (West of Sun) MOON_POSTN: 305.18d {+20h 20m 43s} -22.04d {-22d 02' 07"} MOON_DIST: 125.21 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 166.27,-14.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 67.25, 9.50 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_811719882.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 21 Sep 26 21:54:05 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 811719882 GRB_RA: 62.120d {+04h 08m 29s} (J2000), 62.542d {+04h 10m 10s} (current), 61.331d {+04h 05m 20s} (1950) GRB_DEC: +31.210d {+31d 12' 36"} (J2000), +31.279d {+31d 16' 45"} (current), +31.078d {+31d 04' 41"} (1950) GRB_ERROR: 2.22 [deg radius, statistical only] GRB_DATE: 21304 TJD; 264 DOY; 26/09/21 GRB_TIME: 78277.15 SOD {21:44:37.15} UT GRB_PHI: 109.00 [deg] GRB_THETA: 107.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 179.01d {+11h 56m 03s} +0.43d {+00d 25' 39"} SUN_DIST: 112.15 [deg] Sun_angle= 7.8 [hr] (West of Sun) MOON_POSTN: 305.24d {+20h 20m 59s} -22.02d {-22d 00' 58"} MOON_DIST: 123.92 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 165.09,-15.10 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 66.03, 10.06 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_lc_medres34_bn260921906.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260921906/quicklook/glg_locplot_all_bn260921906.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.