////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 25 Feb 26 18:55:50 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 793738544 GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 68139.90 SOD {18:55:39.90} UT TRIGGER_SIGNIF: 4.6 [sigma] TRIGGER_DUR: 2.048 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 15 DETECTORS: 0,0,0, 0,0,0, 0,1,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_lc_medres34_bn260225789.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 333.42,11.02 [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 18:55:52 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 793738544 GRB_RA: 162.517d {+10h 50m 04s} (J2000), 162.955d {+10h 51m 49s} (current), 161.670d {+10h 46m 41s} (1950) GRB_DEC: +67.317d {+67d 19' 00"} (J2000), +67.178d {+67d 10' 40"} (current), +67.582d {+67d 34' 54"} (1950) GRB_ERROR: 30.68 [deg radius, statistical plus systematic] GRB_INTEN: 48 [cnts/sec] DATA_SIGNIF: 5.10 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 68139.90 SOD {18:55:39.90} UT GRB_PHI: 235.00 [deg] GRB_THETA: 75.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.30 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 97% GRB 2nd_MOST_LIKELY: 1% Generic SGR DETECTORS: 0,0,0, 0,0,0, 0,1,1, 0,0,0, 0,0, SUN_POSTN: 338.89d {+22h 35m 34s} -8.87d {-08d 52' 19"} SUN_DIST: 121.63 [deg] Sun_angle= 11.7 [hr] (West of Sun) MOON_POSTN: 83.15d {+05h 32m 37s} +28.40d {+28d 24' 02"} MOON_DIST: 60.08 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 139.16, 45.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 127.85, 53.17 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_lc_medres34_bn260225789.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 333.42,11.02 [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 18:56:08 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 793738544 GRB_RA: 111.070d {+07h 24m 17s} (J2000), 111.822d {+07h 27m 17s} (current), 109.622d {+07h 18m 29s} (1950) GRB_DEC: +72.030d {+72d 01' 48"} (J2000), +71.977d {+71d 58' 36"} (current), +72.127d {+72d 07' 37"} (1950) GRB_ERROR: 15.87 [deg radius, statistical only] DATA_SIGNIF: 5.50 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 68139.90 SOD {18:55:39.90} UT GRB_PHI: 241.00 [deg] GRB_THETA: 58.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 338.89d {+22h 35m 34s} -8.87d {-08d 52' 18"} SUN_DIST: 110.79 [deg] Sun_angle= -8.9 [hr] (East of Sun) MOON_POSTN: 83.16d {+05h 32m 37s} +28.40d {+28d 24' 02"} MOON_DIST: 46.28 [deg] MOON_ILLUM: 64 [%] GAL_COORDS: 143.21, 28.23 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 99.79, 49.31 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_lc_medres34_bn260225789.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_793738544.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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 19:04:56 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 793738544 GRB_RA: 102.570d {+06h 50m 17s} (J2000), 103.280d {+06h 53m 07s} (current), 101.209d {+06h 44m 50s} (1950) GRB_DEC: +69.270d {+69d 16' 12"} (J2000), +69.237d {+69d 14' 15"} (current), +69.327d {+69d 19' 39"} (1950) GRB_ERROR: 15.21 [deg radius, statistical only] GRB_DATE: 21096 TJD; 56 DOY; 26/02/25 GRB_TIME: 68139.90 SOD {18:55:39.90} UT GRB_PHI: 240.00 [deg] GRB_THETA: 54.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 338.90d {+22h 35m 35s} -8.87d {-08d 52' 10"} SUN_DIST: 110.00 [deg] Sun_angle= -8.3 [hr] (East of Sun) MOON_POSTN: 83.25d {+05h 33m 01s} +28.40d {+28d 24' 09"} MOON_DIST: 42.46 [deg] MOON_ILLUM: 65 [%] GAL_COORDS: 145.95, 25.14 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 96.38, 46.11 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_lc_medres34_bn260225789.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260225789/quicklook/glg_locplot_all_bn260225789.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.