////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 20 Apr 21 05:09:35 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 640588174 GRB_DATE: 19324 TJD; 110 DOY; 21/04/20 GRB_TIME: 18569.20 SOD {05:09:29.20} UT TRIGGER_SIGNIF: 4.6 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 16 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,1,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210420215/quicklook/glg_lc_medres34_bn210420215.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 54.45,4.87 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 20 Apr 21 05:09:53 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 640588174 GRB_RA: 258.267d {+17h 13m 04s} (J2000), 258.495d {+17h 13m 59s} (current), 257.730d {+17h 10m 55s} (1950) GRB_DEC: +20.833d {+20d 49' 60"} (J2000), +20.809d {+20d 48' 34"} (current), +20.891d {+20d 53' 28"} (1950) GRB_ERROR: 31.22 [deg radius, statistical plus systematic] GRB_INTEN: 44 [cnts/sec] DATA_SIGNIF: 4.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 19324 TJD; 110 DOY; 21/04/20 GRB_TIME: 18569.20 SOD {05:09:29.20} UT GRB_PHI: 129.00 [deg] GRB_THETA: 80.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.83 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 3% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,0, 1,1,0, 0,0, SUN_POSTN: 28.25d {+01h 53m 00s} +11.59d {+11d 35' 40"} SUN_DIST: 120.94 [deg] Sun_angle= 8.7 [hr] (West of Sun) MOON_POSTN: 122.37d {+08h 09m 28s} +24.13d {+24d 07' 50"} MOON_DIST: 118.02 [deg] MOON_ILLUM: 49 [%] GAL_COORDS: 42.23, 30.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 254.77, 43.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210420215/quicklook/glg_lc_medres34_bn210420215.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 54.45,4.87 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 20 Apr 21 05:10:11 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 640588174 GRB_RA: 253.040d {+16h 52m 10s} (J2000), 253.266d {+16h 53m 04s} (current), 252.509d {+16h 50m 02s} (1950) GRB_DEC: +22.360d {+22d 21' 36"} (J2000), +22.326d {+22d 19' 32"} (current), +22.442d {+22d 26' 33"} (1950) GRB_ERROR: 18.46 [deg radius, statistical only] DATA_SIGNIF: 4.60 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 19324 TJD; 110 DOY; 21/04/20 GRB_TIME: 18569.20 SOD {05:09:29.20} UT GRB_PHI: 130.00 [deg] GRB_THETA: 85.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 28.25d {+01h 53m 00s} +11.59d {+11d 35' 40"} SUN_DIST: 124.35 [deg] Sun_angle= 9.0 [hr] (West of Sun) MOON_POSTN: 122.37d {+08h 09m 29s} +24.13d {+24d 07' 49"} MOON_DIST: 113.42 [deg] MOON_ILLUM: 49 [%] GAL_COORDS: 42.06, 35.64 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 247.78, 44.50 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210420215/quicklook/glg_lc_medres34_bn210420215.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_640588174.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: Tue 20 Apr 21 05:18:46 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 640588174 GRB_RA: 253.390d {+16h 53m 34s} (J2000), 253.638d {+16h 54m 33s} (current), 252.808d {+16h 51m 14s} (1950) GRB_DEC: +12.250d {+12d 15' 00"} (J2000), +12.216d {+12d 12' 59"} (current), +12.331d {+12d 19' 51"} (1950) GRB_ERROR: 21.82 [deg radius, statistical only] GRB_DATE: 19324 TJD; 110 DOY; 21/04/20 GRB_TIME: 18569.20 SOD {05:09:29.20} UT GRB_PHI: 139.00 [deg] GRB_THETA: 80.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 28.25d {+01h 53m 01s} +11.60d {+11d 35' 48"} SUN_DIST: 129.04 [deg] Sun_angle= 9.0 [hr] (West of Sun) MOON_POSTN: 122.45d {+08h 09m 48s} +24.12d {+24d 07' 07"} MOON_DIST: 120.06 [deg] MOON_ILLUM: 49 [%] GAL_COORDS: 30.89, 31.64 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 250.17, 34.55 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210420215/quicklook/glg_lc_medres34_bn210420215.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210420215/quicklook/glg_locplot_all_bn210420215.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 Long GRB.