////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 09 Mar 25 00:42:18 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 763173728 GRB_DATE: 20743 TJD; 68 DOY; 25/03/09 GRB_TIME: 2523.79 SOD {00:42:03.79} UT TRIGGER_SIGNIF: 4.3 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 8 DETECTORS: 0,0,0, 0,0,0, 1,1,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250309029/quicklook/glg_lc_medres34_bn250309029.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 207.00,-9.07 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 09 Mar 25 00:42:32 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 763173728 GRB_RA: 42.183d {+02h 48m 44s} (J2000), 42.675d {+02h 50m 42s} (current), 41.213d {+02h 44m 51s} (1950) GRB_DEC: +60.783d {+60d 46' 60"} (J2000), +60.887d {+60d 53' 12"} (current), +60.575d {+60d 34' 32"} (1950) GRB_ERROR: 30.17 [deg radius, statistical plus systematic] GRB_INTEN: 161 [cnts/sec] DATA_SIGNIF: 4.20 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 20743 TJD; 68 DOY; 25/03/09 GRB_TIME: 2523.79 SOD {00:42:03.79} UT GRB_PHI: 252.00 [deg] GRB_THETA: 25.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: -0.31 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 1,1,0, 0,0,0, 0,0, SUN_POSTN: 349.61d {+23h 18m 26s} -4.47d {-04d 28' 12"} SUN_DIST: 77.09 [deg] Sun_angle= -3.5 [hr] (East of Sun) MOON_POSTN: 110.06d {+07h 20m 15s} +27.20d {+27d 11' 49"} MOON_DIST: 55.55 [deg] MOON_ILLUM: 74 [%] GAL_COORDS: 136.77, 1.10 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 60.83, 42.10 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250309029/quicklook/glg_lc_medres34_bn250309029.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 207.00,-9.07 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 09 Mar 25 00:51:20 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 763173728 GRB_RA: 46.660d {+03h 06m 38s} (J2000), 47.147d {+03h 08m 35s} (current), 45.699d {+03h 02m 48s} (1950) GRB_DEC: +58.020d {+58d 01' 12"} (J2000), +58.116d {+58d 06' 57"} (current), +57.827d {+57d 49' 38"} (1950) GRB_ERROR: 22.86 [deg radius, statistical only] GRB_DATE: 20743 TJD; 68 DOY; 25/03/09 GRB_TIME: 2523.79 SOD {00:42:03.79} UT GRB_PHI: 247.00 [deg] GRB_THETA: 22.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 349.61d {+23h 18m 27s} -4.47d {-04d 28' 04"} SUN_DIST: 77.49 [deg] Sun_angle= -3.8 [hr] (East of Sun) MOON_POSTN: 110.15d {+07h 20m 36s} +27.18d {+27d 11' 00"} MOON_DIST: 53.04 [deg] MOON_ILLUM: 74 [%] GAL_COORDS: 140.07, -0.28 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 62.25, 38.68 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250309029/quicklook/glg_lc_medres34_bn250309029.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250309029/quicklook/glg_locplot_all_bn250309029.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.