////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Apr 21 20:12:58 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 640728778 GRB_DATE: 19325 TJD; 111 DOY; 21/04/21 GRB_TIME: 72773.03 SOD {20:12:53.03} UT TRIGGER_SIGNIF: 10.1 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 1 DETECTORS: 0,0,0, 0,0,0, 0,0,1, 1,1,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210421842/quicklook/glg_lc_medres34_bn210421842.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 45.92,17.03 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Apr 21 20:13:17 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 640728778 GRB_RA: 204.767d {+13h 39m 04s} (J2000), 205.051d {+13h 40m 12s} (current), 204.100d {+13h 36m 24s} (1950) GRB_DEC: -12.700d {-12d 41' 59"} (J2000), -12.808d {-12d 48' 26"} (current), -12.447d {-12d 26' 47"} (1950) GRB_ERROR: 19.40 [deg radius, statistical plus systematic] GRB_INTEN: 2137 [cnts/sec] DATA_SIGNIF: 10.20 [sigma] INTEG_TIME: 0.016 [sec] GRB_DATE: 19325 TJD; 111 DOY; 21/04/21 GRB_TIME: 72773.03 SOD {20:12:53.03} UT GRB_PHI: 175.00 [deg] GRB_THETA: 80.00 [deg] DATA_TIME_SCALE: 0.0160 [sec] HARD_RATIO: 0.15 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 98% GRB 2nd_MOST_LIKELY: 1% Generic SGR DETECTORS: 0,0,0, 0,0,0, 0,0,1, 1,1,1, 0,0, SUN_POSTN: 29.77d {+01h 59m 05s} +12.15d {+12d 08' 49"} SUN_DIST: 175.34 [deg] Sun_angle= -11.7 [hr] (East of Sun) MOON_POSTN: 144.50d {+09h 37m 59s} +19.29d {+19d 17' 29"} MOON_DIST: 67.71 [deg] MOON_ILLUM: 66 [%] GAL_COORDS: 320.63, 48.53 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 207.57, -2.24 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210421842/quicklook/glg_lc_medres34_bn210421842.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 45.92,17.03 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 Apr 21 20:13:35 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 640728778 GRB_RA: 198.680d {+13h 14m 43s} (J2000), 198.962d {+13h 15m 51s} (current), 198.019d {+13h 12m 05s} (1950) GRB_DEC: -13.350d {-13d 20' 59"} (J2000), -13.462d {-13d 27' 43"} (current), -13.086d {-13d 05' 08"} (1950) GRB_ERROR: 7.42 [deg radius, statistical only] DATA_SIGNIF: 13.00 [sigma] DATA_INTERVAL: 0.016 [sec] GRB_DATE: 19325 TJD; 111 DOY; 21/04/21 GRB_TIME: 72773.03 SOD {20:12:53.03} UT GRB_PHI: 169.00 [deg] GRB_THETA: 79.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 29.77d {+01h 59m 05s} +12.15d {+12d 08' 49"} SUN_DIST: 169.38 [deg] Sun_angle= -11.3 [hr] (East of Sun) MOON_POSTN: 144.50d {+09h 38m 00s} +19.29d {+19d 17' 26"} MOON_DIST: 62.83 [deg] MOON_ILLUM: 66 [%] GAL_COORDS: 311.61, 49.13 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 202.29, -5.04 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210421842/quicklook/glg_lc_medres34_bn210421842.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_640728778.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: Bright hard burst in the GBM. 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: Wed 21 Apr 21 20:22:16 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 640728778 GRB_RA: 192.220d {+12h 48m 53s} (J2000), 192.541d {+12h 50m 10s} (current), 191.473d {+12h 45m 54s} (1950) GRB_DEC: -61.860d {-61d 51' 35"} (J2000), -61.976d {-61d 58' 32"} (current), -61.588d {-61d 35' 14"} (1950) GRB_ERROR: 14.34 [deg radius, statistical only] GRB_DATE: 19325 TJD; 111 DOY; 21/04/21 GRB_TIME: 72773.03 SOD {20:12:53.03} UT GRB_PHI: 152.00 [deg] GRB_THETA: 125.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 29.78d {+01h 59m 06s} +12.15d {+12d 08' 56"} SUN_DIST: 128.64 [deg] Sun_angle= -10.9 [hr] (East of Sun) MOON_POSTN: 144.58d {+09h 38m 19s} +19.27d {+19d 16' 00"} MOON_DIST: 89.67 [deg] MOON_ILLUM: 66 [%] GAL_COORDS: 302.63, 1.01 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 223.82,-50.29 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210421842/quicklook/glg_lc_medres34_bn210421842.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210421842/quicklook/glg_locplot_all_bn210421842.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.