////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 25 Feb 26 15:14:12 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 793725252 GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT TRIGGER_SIGNIF: 4.8 [sigma] TRIGGER_DUR: 2.048 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 14 DETECTORS: 1,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 259.73,11.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 25 Feb 26 15:14:27 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 793725252 GRB_RA: 312.333d {+20h 49m 20s} (J2000), 312.675d {+20h 50m 42s} (current), 311.680d {+20h 46m 43s} (1950) GRB_DEC: -3.483d {-03d 28' 59"} (J2000), -3.385d {-03d 23' 05"} (current), -3.670d {-03d 40' 10"} (1950) GRB_ERROR: 32.17 [deg radius, statistical plus systematic] GRB_INTEN: 59 [cnts/sec] DATA_SIGNIF: 6.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT GRB_PHI: 343.00 [deg] GRB_THETA: 60.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.06 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 86% GRB 2nd_MOST_LIKELY: 10% Solar Flare DETECTORS: 1,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 338.75d {+22h 34m 59s} -8.93d {-08d 55' 45"} SUN_DIST: 26.49 [deg] Sun_angle= 1.7 [hr] (West of Sun) MOON_POSTN: 80.68d {+05h 22m 43s} +28.33d {+28d 19' 46"} MOON_DIST: 124.68 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 43.99,-27.70 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 313.79, 13.75 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.73,11.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 25 Feb 26 15:14:35 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 793725252 GRB_RA: 330.833d {+22h 03m 20s} (J2000), 331.160d {+22h 04m 38s} (current), 330.209d {+22h 00m 50s} (1950) GRB_DEC: +6.817d {+06d 49' 00"} (J2000), +6.944d {+06d 56' 39"} (current), +6.574d {+06d 34' 28"} (1950) GRB_ERROR: 6.77 [deg radius, statistical plus systematic] GRB_INTEN: 351 [cnts/sec] DATA_SIGNIF: 32.70 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT GRB_PHI: 6.00 [deg] GRB_THETA: 65.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.85 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 1% Generic Transient DETECTORS: 1,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 338.75d {+22h 34m 59s} -8.93d {-08d 55' 45"} SUN_DIST: 17.58 [deg] Sun_angle= 0.5 [hr] (West of Sun) MOON_POSTN: 80.68d {+05h 22m 43s} +28.33d {+28d 19' 46"} MOON_DIST: 103.57 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 66.55,-37.04 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 335.41, 17.54 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.73,11.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 25 Feb 26 15:14:45 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 793725252 GRB_RA: 325.080d {+21h 40m 19s} (J2000), 325.416d {+21h 41m 40s} (current), 324.438d {+21h 37m 45s} (1950) GRB_DEC: -0.400d {-00d 24' 00"} (J2000), -0.280d {-00d 16' 48"} (current), -0.627d {-00d 37' 38"} (1950) GRB_ERROR: 5.01 [deg radius, statistical only] DATA_SIGNIF: 26.50 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT GRB_PHI: 356.00 [deg] GRB_THETA: 66.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 338.75d {+22h 34m 59s} -8.93d {-08d 55' 45"} SUN_DIST: 15.84 [deg] Sun_angle= 0.9 [hr] (West of Sun) MOON_POSTN: 80.68d {+05h 22m 44s} +28.33d {+28d 19' 47"} MOON_DIST: 112.21 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 55.00,-36.96 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 327.22, 12.78 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793725252.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 25 Feb 26 15:15:36 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 793725252 GRB_RA: 327.010d {+21h 48m 02s} (J2000), 327.343d {+21h 49m 22s} (current), 326.373d {+21h 45m 30s} (1950) GRB_DEC: +1.470d {+01d 28' 12"} (J2000), +1.592d {+01d 35' 32"} (current), +1.237d {+01d 14' 14"} (1950) GRB_ERROR: 2.10 [deg radius, statistical only] DATA_SIGNIF: 38.20 [sigma] DATA_INTERVAL: 14.336 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT GRB_PHI: 359.00 [deg] GRB_THETA: 66.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 338.75d {+22h 34m 59s} -8.93d {-08d 55' 44"} SUN_DIST: 15.49 [deg] Sun_angle= 0.8 [hr] (West of Sun) MOON_POSTN: 80.69d {+05h 22m 46s} +28.33d {+28d 19' 48"} MOON_DIST: 109.61 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 58.32,-37.45 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 329.74, 13.89 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793725252.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 25 Feb 26 15:23:24 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 793725252 GRB_RA: 326.420d {+21h 45m 41s} (J2000), 326.754d {+21h 47m 01s} (current), 325.782d {+21h 43m 08s} (1950) GRB_DEC: +0.890d {+00d 53' 24"} (J2000), +1.012d {+01d 00' 42"} (current), +0.659d {+00d 39' 32"} (1950) GRB_ERROR: 1.78 [deg radius, statistical only] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 54847.48 SOD {15:14:07.48} UT GRB_PHI: 358.00 [deg] GRB_THETA: 66.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 338.75d {+22h 35m 01s} -8.93d {-08d 55' 37"} SUN_DIST: 15.55 [deg] Sun_angle= 0.8 [hr] (West of Sun) MOON_POSTN: 80.78d {+05h 23m 07s} +28.33d {+28d 19' 60"} MOON_DIST: 110.48 [deg] MOON_ILLUM: 63 [%] GAL_COORDS: 57.29,-37.31 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 328.96, 13.55 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_lc_medres34_bn260225635.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225635/quicklook/glg_locplot_all_bn260225635.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.