////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 17 Feb 25 07:47:44 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 761471250 GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 28045.62 SOD {07:47:25.62} UT TRIGGER_SIGNIF: 5.3 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 5 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217325/quicklook/glg_lc_medres34_bn250217325.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 196.27,17.32 [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 07:47:55 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 49 TRIGGER_NUM: 761471250 GRB_RA: 149.167d {+09h 56m 40s} (J2000), 149.480d {+09h 57m 55s} (current), 148.543d {+09h 54m 10s} (1950) GRB_DEC: -6.750d {-06d 45' 00"} (J2000), -6.870d {-06d 52' 12"} (current), -6.512d {-06d 30' 41"} (1950) GRB_ERROR: 29.82 [deg radius, statistical plus systematic] GRB_INTEN: 281 [cnts/sec] DATA_SIGNIF: 6.10 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 28045.62 SOD {07:47:25.62} UT GRB_PHI: 167.00 [deg] GRB_THETA: 70.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.41 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,0,1, 0,0, SUN_POSTN: 331.04d {+22h 04m 09s} -11.85d {-11d 51' 17"} SUN_DIST: 161.21 [deg] Sun_angle= -11.9 [hr] (East of Sun) MOON_POSTN: 199.30d {+13h 17m 12s} -10.55d {-10d 33' 14"} MOON_DIST: 49.33 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 245.13, 35.84 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 153.76,-18.08 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217325/quicklook/glg_lc_medres34_bn250217325.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 196.27,17.32 [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 07:48:13 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 761471250 GRB_RA: 158.650d {+10h 34m 36s} (J2000), 158.975d {+10h 35m 54s} (current), 158.003d {+10h 32m 01s} (1950) GRB_DEC: +3.730d {+03d 43' 48"} (J2000), +3.600d {+03d 35' 58"} (current), +3.989d {+03d 59' 19"} (1950) GRB_ERROR: 18.38 [deg radius, statistical only] DATA_SIGNIF: 7.90 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 28045.62 SOD {07:47:25.62} UT GRB_PHI: 169.00 [deg] GRB_THETA: 84.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 331.04d {+22h 04m 09s} -11.85d {-11d 51' 16"} SUN_DIST: 168.60 [deg] Sun_angle= 11.5 [hr] (West of Sun) MOON_POSTN: 199.30d {+13h 17m 12s} -10.56d {-10d 33' 18"} MOON_DIST: 42.57 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 242.51, 49.83 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 158.87, -4.87 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217325/quicklook/glg_lc_medres34_bn250217325.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_761471250.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: Mon 17 Feb 25 07:56:34 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 761471250 GRB_RA: 154.950d {+10h 19m 48s} (J2000), 155.274d {+10h 21m 06s} (current), 154.305d {+10h 17m 13s} (1950) GRB_DEC: +1.890d {+01d 53' 24"} (J2000), +1.763d {+01d 45' 47"} (current), +2.142d {+02d 08' 30"} (1950) GRB_ERROR: 11.28 [deg radius, statistical only] GRB_DATE: 20723 TJD; 48 DOY; 25/02/17 GRB_TIME: 28045.62 SOD {07:47:25.62} UT GRB_PHI: 170.00 [deg] GRB_THETA: 80.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 331.04d {+22h 04m 10s} -11.85d {-11d 51' 09"} SUN_DIST: 169.07 [deg] Sun_angle= 11.7 [hr] (West of Sun) MOON_POSTN: 199.36d {+13h 17m 27s} -10.59d {-10d 35' 09"} MOON_DIST: 45.57 [deg] MOON_ILLUM: 80 [%] GAL_COORDS: 241.20, 45.79 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 156.09, -7.94 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217325/quicklook/glg_lc_medres34_bn250217325.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250217325/quicklook/glg_locplot_all_bn250217325.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.