////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 17 Feb 25 23:54:55 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 761529286 GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 86081.80 SOD {23:54:41.80} UT TRIGGER_SIGNIF: 6.0 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 5 DETECTORS: 0,0,0, 0,0,0, 0,0,1, 0,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217996/quicklook/glg_lc_medres34_bn250217996.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 26.95,-15.97 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 17 Feb 25 23:55:11 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 49 TRIGGER_NUM: 761529286 GRB_RA: 104.533d {+06h 58m 08s} (J2000), 105.028d {+07h 00m 07s} (current), 103.546d {+06h 54m 11s} (1950) GRB_DEC: +52.017d {+52d 01' 00"} (J2000), +51.981d {+51d 58' 52"} (current), +52.084d {+52d 05' 03"} (1950) GRB_ERROR: 4.55 [deg radius, statistical plus systematic] GRB_INTEN: 1915 [cnts/sec] DATA_SIGNIF: 39.80 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 86081.80 SOD {23:54:41.80} UT GRB_PHI: 221.00 [deg] GRB_THETA: 120.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 1.18 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 92% GRB 2nd_MOST_LIKELY: 5% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,0,1, 0,0,1, 0,0, SUN_POSTN: 331.69d {+22h 06m 44s} -11.62d {-11d 37' 05"} SUN_DIST: 124.94 [deg] Sun_angle= -8.9 [hr] (East of Sun) MOON_POSTN: 206.60d {+13h 46m 24s} -14.04d {-14d 02' 20"} MOON_DIST: 108.12 [deg] MOON_ILLUM: 75 [%] GAL_COORDS: 164.52, 22.05 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 100.18, 29.09 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217996/quicklook/glg_lc_medres34_bn250217996.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 26.95,-15.97 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 17 Feb 25 23:55:29 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 761529286 GRB_RA: 119.130d {+07h 56m 31s} (J2000), 119.582d {+07h 58m 20s} (current), 118.228d {+07h 52m 55s} (1950) GRB_DEC: +46.930d {+46d 55' 48"} (J2000), +46.861d {+46d 51' 41"} (current), +47.064d {+47d 03' 49"} (1950) GRB_ERROR: 2.94 [deg radius, statistical only] DATA_SIGNIF: 45.20 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 86081.80 SOD {23:54:41.80} UT GRB_PHI: 211.00 [deg] GRB_THETA: 114.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 331.69d {+22h 06m 44s} -11.62d {-11d 37' 05"} SUN_DIST: 135.59 [deg] Sun_angle= -9.9 [hr] (East of Sun) MOON_POSTN: 206.60d {+13h 46m 25s} -14.04d {-14d 02' 24"} MOON_DIST: 98.20 [deg] MOON_ILLUM: 75 [%] GAL_COORDS: 172.28, 30.22 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 111.64, 25.66 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217996/quicklook/glg_lc_medres34_bn250217996.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761529286.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: Tue 18 Feb 25 00:04:01 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 761529286 GRB_RA: 131.570d {+08h 46m 17s} (J2000), 131.959d {+08h 47m 50s} (current), 130.794d {+08h 43m 10s} (1950) GRB_DEC: +32.880d {+32d 52' 48"} (J2000), +32.787d {+32d 47' 12"} (current), +33.063d {+33d 03' 48"} (1950) GRB_ERROR: 5.50 [deg radius, statistical only] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 86081.80 SOD {23:54:41.80} UT GRB_PHI: 201.00 [deg] GRB_THETA: 100.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 331.69d {+22h 06m 46s} -11.62d {-11d 36' 57"} SUN_DIST: 152.15 [deg] Sun_angle= -10.7 [hr] (East of Sun) MOON_POSTN: 206.67d {+13h 46m 40s} -14.07d {-14d 04' 11"} MOON_DIST: 85.21 [deg] MOON_ILLUM: 75 [%] GAL_COORDS: 190.82, 37.34 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 125.12, 14.37 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217996/quicklook/glg_lc_medres34_bn250217996.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217996/quicklook/glg_locplot_all_bn250217996.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.