////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 May 21 13:04:15 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 643035854 GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 9 DETECTORS: 0,0,0, 0,0,0, 0,0,1, 0,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 113.40,-12.55 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 May 21 13:04:33 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 643035854 GRB_RA: 273.900d {+18h 15m 36s} (J2000), 274.026d {+18h 16m 06s} (current), 273.606d {+18h 14m 25s} (1950) GRB_DEC: +51.250d {+51d 15' 00"} (J2000), +51.258d {+51d 15' 30"} (current), +51.232d {+51d 13' 54"} (1950) GRB_ERROR: 8.18 [deg radius, statistical plus systematic] GRB_INTEN: 315 [cnts/sec] DATA_SIGNIF: 11.90 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 202.00 [deg] GRB_THETA: 145.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.46 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 80% GRB 2nd_MOST_LIKELY: 14% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,1, 0,0,1, 0,0, SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 14"} SUN_DIST: 101.47 [deg] Sun_angle= 9.4 [hr] (West of Sun) MOON_POSTN: 136.53d {+09h 06m 07s} +21.56d {+21d 33' 46"} MOON_DIST: 98.19 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 79.35, 26.26 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 279.20, 74.56 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 113.40,-12.55 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 May 21 13:04:43 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 60 TRIGGER_NUM: 643035854 GRB_RA: 273.900d {+18h 15m 36s} (J2000), 274.025d {+18h 16m 06s} (current), 273.607d {+18h 14m 26s} (1950) GRB_DEC: +51.367d {+51d 22' 00"} (J2000), +51.375d {+51d 22' 30"} (current), +51.348d {+51d 20' 55"} (1950) GRB_ERROR: 5.65 [deg radius, statistical plus systematic] GRB_INTEN: 524 [cnts/sec] DATA_SIGNIF: 29.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 202.00 [deg] GRB_THETA: 145.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.78 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 87% GRB 2nd_MOST_LIKELY: 9% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 0,0,1, 0,0,1, 0,0, SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 14"} SUN_DIST: 101.37 [deg] Sun_angle= 9.4 [hr] (West of Sun) MOON_POSTN: 136.53d {+09h 06m 08s} +21.56d {+21d 33' 45"} MOON_DIST: 98.10 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 79.48, 26.28 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 279.25, 74.68 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 113.40,-12.55 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 18 May 21 13:04:50 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 643035854 GRB_RA: 270.740d {+18h 02m 58s} (J2000), 270.868d {+18h 03m 28s} (current), 270.440d {+18h 01m 46s} (1950) GRB_DEC: +50.730d {+50d 43' 48"} (J2000), +50.732d {+50d 43' 54"} (current), +50.727d {+50d 43' 38"} (1950) GRB_ERROR: 2.61 [deg radius, statistical only] DATA_SIGNIF: 21.30 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 203.00 [deg] GRB_THETA: 143.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 14"} SUN_DIST: 103.05 [deg] Sun_angle= 9.6 [hr] (West of Sun) MOON_POSTN: 136.53d {+09h 06m 08s} +21.56d {+21d 33' 44"} MOON_DIST: 97.29 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 78.37, 28.12 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 271.72, 74.16 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_643035854.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 18 May 21 13:05:27 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 643035854 GRB_RA: 270.740d {+18h 02m 58s} (J2000), 270.869d {+18h 03m 28s} (current), 270.439d {+18h 01m 45s} (1950) GRB_DEC: +50.660d {+50d 39' 36"} (J2000), +50.662d {+50d 39' 42"} (current), +50.657d {+50d 39' 26"} (1950) GRB_ERROR: 2.50 [deg radius, statistical only] DATA_SIGNIF: 23.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 203.00 [deg] GRB_THETA: 143.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 14"} SUN_DIST: 103.10 [deg] Sun_angle= 9.6 [hr] (West of Sun) MOON_POSTN: 136.54d {+09h 06m 09s} +21.56d {+21d 33' 39"} MOON_DIST: 97.34 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 78.29, 28.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 271.71, 74.09 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_643035854.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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 18 May 21 13:05:38 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 643035854 GRB_RA: 266.960d {+17h 47m 50s} (J2000), 267.097d {+17h 48m 23s} (current), 266.639d {+17h 46m 33s} (1950) GRB_DEC: +48.950d {+48d 57' 00"} (J2000), +48.944d {+48d 56' 38"} (current), +48.966d {+48d 57' 56"} (1950) GRB_ERROR: 2.48 [deg radius, statistical only] DATA_SIGNIF: 33.00 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 203.00 [deg] GRB_THETA: 140.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 14"} SUN_DIST: 105.86 [deg] Sun_angle= 9.9 [hr] (West of Sun) MOON_POSTN: 136.54d {+09h 06m 10s} +21.56d {+21d 33' 38"} MOON_DIST: 96.90 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 75.94, 30.26 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 263.42, 72.32 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_643035854.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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 18 May 21 13:06:05 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 643035854 GRB_RA: 266.960d {+17h 47m 50s} (J2000), 267.097d {+17h 48m 23s} (current), 266.639d {+17h 46m 33s} (1950) GRB_DEC: +48.990d {+48d 59' 24"} (J2000), +48.984d {+48d 59' 02"} (current), +49.006d {+49d 00' 20"} (1950) GRB_ERROR: 1.87 [deg radius, statistical only] DATA_SIGNIF: 33.10 [sigma] DATA_INTERVAL: 8.192 [sec] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 203.00 [deg] GRB_THETA: 140.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 55.55d {+03h 42m 13s} +19.67d {+19d 40' 15"} SUN_DIST: 105.82 [deg] Sun_angle= 9.9 [hr] (West of Sun) MOON_POSTN: 136.55d {+09h 06m 11s} +21.56d {+21d 33' 34"} MOON_DIST: 96.87 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 75.99, 30.27 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 263.41, 72.36 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_643035854.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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 18 May 21 13:14:25 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 643035854 GRB_RA: 270.010d {+18h 00m 02s} (J2000), 270.144d {+18h 00m 35s} (current), 269.697d {+17h 58m 47s} (1950) GRB_DEC: +49.610d {+49d 36' 36"} (J2000), +49.610d {+49d 36' 37"} (current), +49.611d {+49d 36' 39"} (1950) GRB_ERROR: 1.77 [deg radius, statistical only] GRB_DATE: 19352 TJD; 138 DOY; 21/05/18 GRB_TIME: 47049.64 SOD {13:04:09.64} UT GRB_PHI: 202.00 [deg] GRB_THETA: 142.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 55.56d {+03h 42m 14s} +19.67d {+19d 40' 19"} SUN_DIST: 104.24 [deg] Sun_angle= 9.7 [hr] (West of Sun) MOON_POSTN: 136.62d {+09h 06m 29s} +21.54d {+21d 32' 28"} MOON_DIST: 97.78 [deg] MOON_ILLUM: 37 [%] GAL_COORDS: 77.03, 28.40 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 270.02, 73.05 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_lc_medres34_bn210518545.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2021/bn210518545/quicklook/glg_locplot_all_bn210518545.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.