////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 27 Sep 21 00:44:04 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 654396242 GRB_DATE: 19484 TJD; 270 DOY; 21/09/27 GRB_TIME: 2637.86 SOD {00:43:57.86} UT TRIGGER_SIGNIF: 9.0 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 1 DETECTORS: 1,0,0, 1,1,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210927031/quicklook/glg_lc_medres34_bn210927031.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 254.35,24.30 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 27 Sep 21 00:44:21 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 654396242 GRB_RA: 255.983d {+17h 03m 56s} (J2000), 256.255d {+17h 05m 01s} (current), 255.360d {+17h 01m 26s} (1950) GRB_DEC: +3.533d {+03d 31' 60"} (J2000), +3.504d {+03d 30' 15"} (current), +3.602d {+03d 36' 08"} (1950) GRB_ERROR: 12.63 [deg radius, statistical plus systematic] GRB_INTEN: 1345 [cnts/sec] DATA_SIGNIF: 9.60 [sigma] INTEG_TIME: 0.032 [sec] GRB_DATE: 19484 TJD; 270 DOY; 21/09/27 GRB_TIME: 2637.86 SOD {00:43:57.86} UT GRB_PHI: 290.00 [deg] GRB_THETA: 30.00 [deg] DATA_TIME_SCALE: 0.0320 [sec] HARD_RATIO: 0.21 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 2% Cyg X-1 DETECTORS: 1,0,0, 1,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 183.80d {+12h 15m 13s} -1.65d {-01d 38' 47"} SUN_DIST: 72.60 [deg] Sun_angle= -4.8 [hr] (East of Sun) MOON_POSTN: 70.25d {+04h 41m 00s} +23.02d {+23d 01' 29"} MOON_DIST: 152.83 [deg] MOON_ILLUM: 69 [%] GAL_COORDS: 23.31, 25.45 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 254.37, 26.22 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210927031/quicklook/glg_lc_medres34_bn210927031.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 254.35,24.30 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 27 Sep 21 00:44:39 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 654396242 GRB_RA: 244.370d {+16h 17m 29s} (J2000), 244.626d {+16h 18m 30s} (current), 243.782d {+16h 15m 08s} (1950) GRB_DEC: +11.800d {+11d 48' 00"} (J2000), +11.748d {+11d 44' 52"} (current), +11.922d {+11d 55' 18"} (1950) GRB_ERROR: 9.41 [deg radius, statistical only] DATA_SIGNIF: 13.30 [sigma] DATA_INTERVAL: 0.032 [sec] GRB_DATE: 19484 TJD; 270 DOY; 21/09/27 GRB_TIME: 2637.86 SOD {00:43:57.86} UT GRB_PHI: 303.00 [deg] GRB_THETA: 42.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 183.80d {+12h 15m 13s} -1.65d {-01d 38' 47"} SUN_DIST: 61.88 [deg] Sun_angle= -4.1 [hr] (East of Sun) MOON_POSTN: 70.25d {+04h 41m 01s} +23.03d {+23d 01' 31"} MOON_DIST: 144.79 [deg] MOON_ILLUM: 69 [%] GAL_COORDS: 25.81, 39.45 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 239.83, 32.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210927031/quicklook/glg_lc_medres34_bn210927031.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_654396242.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: Mon 27 Sep 21 00:53:21 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 654396242 GRB_RA: 252.140d {+16h 48m 34s} (J2000), 252.419d {+16h 49m 40s} (current), 251.500d {+16h 46m 00s} (1950) GRB_DEC: +0.000d {+00d 00' 00"} (J2000), -0.037d {-00d 02' 12"} (current), +0.087d {+00d 05' 13"} (1950) GRB_ERROR: 20.84 [deg radius, statistical only] GRB_DATE: 19484 TJD; 270 DOY; 21/09/27 GRB_TIME: 2637.86 SOD {00:43:57.86} UT GRB_PHI: 300.00 [deg] GRB_THETA: 28.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 183.81d {+12h 15m 14s} -1.65d {-01d 38' 56"} SUN_DIST: 68.62 [deg] Sun_angle= -4.6 [hr] (East of Sun) MOON_POSTN: 70.33d {+04h 41m 19s} +23.04d {+23d 02' 27"} MOON_DIST: 156.91 [deg] MOON_ILLUM: 69 [%] GAL_COORDS: 17.77, 27.04 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 250.65, 22.25 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210927031/quicklook/glg_lc_medres34_bn210927031.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210927031/quicklook/glg_locplot_all_bn210927031.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.