////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 May 23 22:49:34 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 706142972 GRB_DATE: 20082 TJD; 138 DOY; 23/05/18 GRB_TIME: 82167.61 SOD {22:49:27.61} UT TRIGGER_SIGNIF: 5.4 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 4 DETECTORS: 0,0,0, 0,0,0, 1,0,0, 0,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230518951/quicklook/glg_lc_medres34_bn230518951.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 66.92,-24.08 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 May 23 22:49:56 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 706142972 GRB_RA: 251.917d {+16h 47m 40s} (J2000), 252.256d {+16h 49m 01s} (current), 251.192d {+16h 44m 46s} (1950) GRB_DEC: -17.817d {-17d 49' 00"} (J2000), -17.857d {-17d 51' 23"} (current), -17.729d {-17d 43' 42"} (1950) GRB_ERROR: 24.78 [deg radius, statistical plus systematic] GRB_INTEN: 484 [cnts/sec] DATA_SIGNIF: 7.60 [sigma] INTEG_TIME: 0.128 [sec] GRB_DATE: 20082 TJD; 138 DOY; 23/05/18 GRB_TIME: 82167.61 SOD {22:49:27.61} UT GRB_PHI: 161.00 [deg] GRB_THETA: 55.00 [deg] DATA_TIME_SCALE: 0.1280 [sec] HARD_RATIO: 0.01 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 3% SGR_1806n20 DETECTORS: 0,0,0, 0,0,0, 1,0,0, 0,0,1, 0,0, SUN_POSTN: 55.48d {+03h 41m 54s} +19.65d {+19d 39' 13"} SUN_DIST: 164.02 [deg] Sun_angle= 10.9 [hr] (West of Sun) MOON_POSTN: 46.14d {+03h 04m 34s} +18.89d {+18d 53' 23"} MOON_DIST: 155.22 [deg] MOON_ILLUM: 1 [%] GAL_COORDS: 1.68, 17.23 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 252.76, 4.55 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230518951/quicklook/glg_lc_medres34_bn230518951.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 66.92,-24.08 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 May 23 22:50:14 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 706142972 GRB_RA: 250.460d {+16h 41m 50s} (J2000), 250.807d {+16h 43m 14s} (current), 249.720d {+16h 38m 53s} (1950) GRB_DEC: -20.940d {-20d 56' 23"} (J2000), -20.983d {-20d 58' 58"} (current), -20.845d {-20d 50' 42"} (1950) GRB_ERROR: 10.80 [deg radius, statistical only] DATA_SIGNIF: 8.20 [sigma] DATA_INTERVAL: 0.128 [sec] GRB_DATE: 20082 TJD; 138 DOY; 23/05/18 GRB_TIME: 82167.61 SOD {22:49:27.61} UT GRB_PHI: 163.00 [deg] GRB_THETA: 52.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 55.48d {+03h 41m 54s} +19.65d {+19d 39' 13"} SUN_DIST: 165.57 [deg] Sun_angle= 11.0 [hr] (West of Sun) MOON_POSTN: 46.14d {+03h 04m 34s} +18.89d {+18d 53' 27"} MOON_DIST: 156.74 [deg] MOON_ILLUM: 1 [%] GAL_COORDS: 358.22, 16.40 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 251.79, 1.27 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230518951/quicklook/glg_lc_medres34_bn230518951.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_706142972.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: Thu 18 May 23 22:58:43 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 706142972 GRB_RA: 256.350d {+17h 05m 24s} (J2000), 256.798d {+17h 07m 12s} (current), 255.392d {+17h 01m 34s} (1950) GRB_DEC: -49.620d {-49d 37' 11"} (J2000), -49.650d {-49d 39' 00"} (current), -49.552d {-49d 33' 06"} (1950) GRB_ERROR: 19.05 [deg radius, statistical only] GRB_DATE: 20082 TJD; 138 DOY; 23/05/18 GRB_TIME: 82167.61 SOD {22:49:27.61} UT GRB_PHI: 159.00 [deg] GRB_THETA: 23.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 55.48d {+03h 41m 56s} +19.65d {+19d 39' 18"} SUN_DIST: 145.52 [deg] Sun_angle= 10.6 [hr] (West of Sun) MOON_POSTN: 46.22d {+03h 04m 53s} +18.92d {+18d 55' 07"} MOON_DIST: 140.75 [deg] MOON_ILLUM: 1 [%] GAL_COORDS: 338.53, -5.16 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 260.15,-26.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230518951/quicklook/glg_lc_medres34_bn230518951.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2023/bn230518951/quicklook/glg_locplot_all_bn230518951.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.