////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Jan 25 18:31:18 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 758917876 GRB_DATE: 20693 TJD; 18 DOY; 25/01/18 GRB_TIME: 66671.97 SOD {18:31:11.97} UT TRIGGER_SIGNIF: 6.9 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 5 DETECTORS: 1,1,1, 1,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250118772/quicklook/glg_lc_medres34_bn250118772.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 216.90,25.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Jan 25 18:31:41 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 44 TRIGGER_NUM: 758917876 GRB_RA: 300.117d {+20h 00m 28s} (J2000), 300.301d {+20h 01m 12s} (current), 299.749d {+19h 59m 00s} (1950) GRB_DEC: +48.550d {+48d 32' 60"} (J2000), +48.620d {+48d 37' 13"} (current), +48.411d {+48d 24' 40"} (1950) GRB_ERROR: 24.32 [deg radius, statistical plus systematic] GRB_INTEN: 636 [cnts/sec] DATA_SIGNIF: 8.30 [sigma] INTEG_TIME: 0.064 [sec] GRB_DATE: 20693 TJD; 18 DOY; 25/01/18 GRB_TIME: 66671.97 SOD {18:31:11.97} UT GRB_PHI: 60.00 [deg] GRB_THETA: 30.00 [deg] DATA_TIME_SCALE: 0.0640 [sec] HARD_RATIO: 0.24 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 79% GRB 2nd_MOST_LIKELY: 13% Cyg X-1 DETECTORS: 1,1,1, 1,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 301.06d {+20h 04m 14s} -20.37d {-20d 22' 16"} SUN_DIST: 68.99 [deg] Sun_angle= 0.1 [hr] (West of Sun) MOON_POSTN: 175.96d {+11h 43m 49s} +2.04d {+02d 02' 26"} MOON_DIST: 110.24 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 83.05, 9.61 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 325.63, 66.27 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250118772/quicklook/glg_lc_medres34_bn250118772.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 216.90,25.58 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Jan 25 18:31:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 758917876 GRB_RA: 270.220d {+18h 00m 53s} (J2000), 270.430d {+18h 01m 43s} (current), 269.802d {+17h 59m 12s} (1950) GRB_DEC: +38.620d {+38d 37' 12"} (J2000), +38.621d {+38d 37' 15"} (current), +38.620d {+38d 37' 12"} (1950) GRB_ERROR: 21.16 [deg radius, statistical only] DATA_SIGNIF: 9.20 [sigma] DATA_INTERVAL: 0.064 [sec] GRB_DATE: 20693 TJD; 18 DOY; 25/01/18 GRB_TIME: 66671.97 SOD {18:31:11.97} UT GRB_PHI: 7.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 301.06d {+20h 04m 14s} -20.37d {-20d 22' 16"} SUN_DIST: 65.61 [deg] Sun_angle= 2.0 [hr] (West of Sun) MOON_POSTN: 175.96d {+11h 43m 50s} +2.04d {+02d 02' 22"} MOON_DIST: 92.22 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 64.99, 25.90 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 270.37, 62.06 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250118772/quicklook/glg_lc_medres34_bn250118772.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_758917876.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: Sat 18 Jan 25 18:40:21 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 758917876 GRB_RA: 263.820d {+17h 35m 17s} (J2000), 264.029d {+17h 36m 07s} (current), 263.402d {+17h 33m 37s} (1950) GRB_DEC: +38.820d {+38d 49' 12"} (J2000), +38.805d {+38d 48' 19"} (current), +38.851d {+38d 51' 04"} (1950) GRB_ERROR: 10.74 [deg radius, statistical only] GRB_DATE: 20693 TJD; 18 DOY; 25/01/18 GRB_TIME: 66671.97 SOD {18:31:11.97} UT GRB_PHI: 352.00 [deg] GRB_THETA: 14.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 301.06d {+20h 04m 16s} -20.37d {-20d 22' 12"} SUN_DIST: 68.59 [deg] Sun_angle= 2.5 [hr] (West of Sun) MOON_POSTN: 176.02d {+11h 44m 05s} +2.01d {+02d 00' 22"} MOON_DIST: 87.19 [deg] MOON_ILLUM: 78 [%] GAL_COORDS: 63.90, 30.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 259.70, 62.04 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250118772/quicklook/glg_lc_medres34_bn250118772.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250118772/quicklook/glg_locplot_all_bn250118772.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: In the LAT Field-of-view. COMMENTS: This is likely a Short GRB.