////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 23 Feb 25 16:36:20 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 762021376 GRB_DATE: 20729 TJD; 54 DOY; 25/02/23 GRB_TIME: 59771.81 SOD {16:36:11.81} UT TRIGGER_SIGNIF: 5.4 [sigma] TRIGGER_DUR: 0.128 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 7 DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250223692/quicklook/glg_lc_medres34_bn250223692.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 11.53,17.95 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 23 Feb 25 16:36:41 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 762021376 GRB_RA: 312.817d {+20h 51m 16s} (J2000), 313.225d {+20h 52m 54s} (current), 312.003d {+20h 48m 01s} (1950) GRB_DEC: -40.067d {-40d 04' 00"} (J2000), -39.971d {-39d 58' 15"} (current), -40.254d {-40d 15' 15"} (1950) GRB_ERROR: 24.18 [deg radius, statistical plus systematic] GRB_INTEN: 259 [cnts/sec] DATA_SIGNIF: 6.40 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 20729 TJD; 54 DOY; 25/02/23 GRB_TIME: 59771.81 SOD {16:36:11.81} UT GRB_PHI: 22.00 [deg] GRB_THETA: 115.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: -0.19 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 2% Cyg X-1 DETECTORS: 0,0,1, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 337.14d {+22h 28m 33s} -9.56d {-09d 33' 35"} SUN_DIST: 37.10 [deg] Sun_angle= 1.6 [hr] (West of Sun) MOON_POSTN: 280.55d {+18h 42m 11s} -28.23d {-28d 13' 31"} MOON_DIST: 29.29 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 1.92,-39.32 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 304.00,-21.55 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250223692/quicklook/glg_lc_medres34_bn250223692.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 11.53,17.95 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 23 Feb 25 16:36:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 762021376 GRB_RA: 316.910d {+21h 07m 38s} (J2000), 317.313d {+21h 09m 15s} (current), 316.106d {+21h 04m 25s} (1950) GRB_DEC: -40.400d {-40d 23' 59"} (J2000), -40.297d {-40d 17' 50"} (current), -40.602d {-40d 36' 06"} (1950) GRB_ERROR: 12.37 [deg radius, statistical only] DATA_SIGNIF: 6.90 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 20729 TJD; 54 DOY; 25/02/23 GRB_TIME: 59771.81 SOD {16:36:11.81} UT GRB_PHI: 23.00 [deg] GRB_THETA: 112.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 337.14d {+22h 28m 33s} -9.56d {-09d 33' 35"} SUN_DIST: 35.42 [deg] Sun_angle= 1.3 [hr] (West of Sun) MOON_POSTN: 280.55d {+18h 42m 12s} -28.23d {-28d 13' 30"} MOON_DIST: 32.41 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 1.71,-42.46 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 307.11,-22.81 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250223692/quicklook/glg_lc_medres34_bn250223692.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_762021376.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: Sun 23 Feb 25 16:45:29 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 762021376 GRB_RA: 340.560d {+22h 42m 14s} (J2000), 340.921d {+22h 43m 41s} (current), 339.839d {+22h 39m 21s} (1950) GRB_DEC: -40.290d {-40d 17' 23"} (J2000), -40.158d {-40d 09' 27"} (current), -40.552d {-40d 33' 06"} (1950) GRB_ERROR: 31.60 [deg radius, statistical only] GRB_DATE: 20729 TJD; 54 DOY; 25/02/23 GRB_TIME: 59771.81 SOD {16:36:11.81} UT GRB_PHI: 29.00 [deg] GRB_THETA: 95.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 337.14d {+22h 28m 34s} -9.56d {-09d 33' 27"} SUN_DIST: 30.78 [deg] Sun_angle= -0.3 [hr] (East of Sun) MOON_POSTN: 280.64d {+18h 42m 33s} -28.22d {-28d 13' 04"} MOON_DIST: 50.30 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 358.30,-60.31 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 325.73,-29.49 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250223692/quicklook/glg_lc_medres34_bn250223692.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250223692/quicklook/glg_locplot_all_bn250223692.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.