////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 21 Feb 26 16:22:59 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 793383777 GRB_DATE: 21092 TJD; 52 DOY; 26/02/21 GRB_TIME: 58972.24 SOD {16:22:52.24} UT TRIGGER_SIGNIF: 4.3 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 11 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_lc_medres34_bn260221683.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 157.02,-25.42 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 21 Feb 26 16:23:21 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 793383777 GRB_RA: 217.233d {+14h 28m 56s} (J2000), 217.498d {+14h 30m 00s} (current), 216.727d {+14h 26m 54s} (1950) GRB_DEC: +38.533d {+38d 31' 60"} (J2000), +38.418d {+38d 25' 03"} (current), +38.756d {+38d 45' 21"} (1950) GRB_ERROR: 31.47 [deg radius, statistical plus systematic] GRB_INTEN: 270 [cnts/sec] DATA_SIGNIF: 4.70 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21092 TJD; 52 DOY; 26/02/21 GRB_TIME: 58972.24 SOD {16:22:52.24} UT GRB_PHI: 122.00 [deg] GRB_THETA: 115.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.39 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 76% GRB 2nd_MOST_LIKELY: 18% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,0,0, 0,1,1, 0,0, SUN_POSTN: 334.99d {+22h 19m 58s} -10.38d {-10d 23' 02"} SUN_DIST: 117.89 [deg] Sun_angle= 7.8 [hr] (West of Sun) MOON_POSTN: 22.49d {+01h 29m 57s} +13.54d {+13d 32' 21"} MOON_DIST: 126.18 [deg] MOON_ILLUM: 20 [%] GAL_COORDS: 68.35, 66.66 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 196.67, 49.45 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_lc_medres34_bn260221683.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 157.02,-25.42 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 21 Feb 26 16:23:39 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 793383777 GRB_RA: 204.390d {+13h 37m 34s} (J2000), 204.677d {+13h 38m 43s} (current), 203.840d {+13h 35m 22s} (1950) GRB_DEC: +38.360d {+38d 21' 36"} (J2000), +38.228d {+38d 13' 39"} (current), +38.614d {+38d 36' 51"} (1950) GRB_ERROR: 14.37 [deg radius, statistical only] DATA_SIGNIF: 5.80 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 21092 TJD; 52 DOY; 26/02/21 GRB_TIME: 58972.24 SOD {16:22:52.24} UT GRB_PHI: 133.00 [deg] GRB_THETA: 114.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 334.99d {+22h 19m 58s} -10.38d {-10d 23' 02"} SUN_DIST: 127.69 [deg] Sun_angle= 8.7 [hr] (West of Sun) MOON_POSTN: 22.49d {+01h 29m 58s} +13.54d {+13d 32' 25"} MOON_DIST: 128.19 [deg] MOON_ILLUM: 20 [%] GAL_COORDS: 85.12, 75.19 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 184.02, 44.28 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_lc_medres34_bn260221683.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793383777.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: Sat 21 Feb 26 16:24:49 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 793383777 GRB_RA: 213.270d {+14h 13m 05s} (J2000), 213.503d {+14h 14m 01s} (current), 212.824d {+14h 11m 18s} (1950) GRB_DEC: +51.910d {+51d 54' 36"} (J2000), +51.788d {+51d 47' 19"} (current), +52.143d {+52d 08' 36"} (1950) GRB_ERROR: 6.54 [deg radius, statistical only] DATA_SIGNIF: 9.30 [sigma] DATA_INTERVAL: 3.072 [sec] GRB_DATE: 21092 TJD; 52 DOY; 26/02/21 GRB_TIME: 58972.24 SOD {16:22:52.24} UT GRB_PHI: 127.00 [deg] GRB_THETA: 128.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 334.99d {+22h 19m 58s} -10.38d {-10d 23' 01"} SUN_DIST: 117.35 [deg] Sun_angle= 8.1 [hr] (West of Sun) MOON_POSTN: 22.50d {+01h 30m 00s} +13.55d {+13d 32' 43"} MOON_DIST: 113.97 [deg] MOON_ILLUM: 20 [%] GAL_COORDS: 96.71, 60.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 179.71, 58.95 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_lc_medres34_bn260221683.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793383777.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: Sat 21 Feb 26 16:32:09 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 793383777 GRB_RA: 213.310d {+14h 13m 14s} (J2000), 213.543d {+14h 14m 10s} (current), 212.864d {+14h 11m 27s} (1950) GRB_DEC: +51.890d {+51d 53' 24"} (J2000), +51.769d {+51d 46' 07"} (current), +52.123d {+52d 07' 24"} (1950) GRB_ERROR: 6.62 [deg radius, statistical only] GRB_DATE: 21092 TJD; 52 DOY; 26/02/21 GRB_TIME: 58972.24 SOD {16:22:52.24} UT GRB_PHI: 127.00 [deg] GRB_THETA: 128.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 335.00d {+22h 19m 59s} -10.38d {-10d 22' 54"} SUN_DIST: 117.33 [deg] Sun_angle= 8.1 [hr] (West of Sun) MOON_POSTN: 22.57d {+01h 30m 16s} +13.58d {+13d 34' 33"} MOON_DIST: 113.96 [deg] MOON_ILLUM: 20 [%] GAL_COORDS: 96.65, 60.86 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 179.78, 58.95 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_lc_medres34_bn260221683.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260221683/quicklook/glg_locplot_all_bn260221683.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.