////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:46:31 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 780050791 GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT TRIGGER_SIGNIF: 4.4 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 10 DETECTORS: 1,1,0, 0,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 217.87,24.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:46:55 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 780050791 GRB_RA: 268.200d {+17h 52m 48s} (J2000), 268.166d {+17h 52m 40s} (current), 268.266d {+17h 53m 04s} (1950) GRB_DEC: +68.500d {+68d 30' 00"} (J2000), +68.495d {+68d 29' 44"} (current), +68.509d {+68d 30' 31"} (1950) GRB_ERROR: 27.65 [deg radius, statistical plus systematic] GRB_INTEN: 120 [cnts/sec] DATA_SIGNIF: 4.30 [sigma] INTEG_TIME: 0.512 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 45.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 0.5120 [sec] HARD_RATIO: 0.69 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 90% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 1,1,0, 0,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 177.84d {+11h 51m 22s} +0.93d {+00d 56' 04"} SUN_DIST: 89.25 [deg] Sun_angle= -6.0 [hr] (East of Sun) MOON_POSTN: 162.47d {+10h 49m 53s} +8.13d {+08d 07' 37"} MOON_DIST: 88.09 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 98.65, 30.45 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 108.70, 87.94 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 217.87,24.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:47:04 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 59 TRIGGER_NUM: 780050791 GRB_RA: 186.233d {+12h 24m 56s} (J2000), 186.545d {+12h 26m 11s} (current), 185.626d {+12h 22m 30s} (1950) GRB_DEC: +49.050d {+49d 02' 60"} (J2000), +48.908d {+48d 54' 28"} (current), +49.327d {+49d 19' 37"} (1950) GRB_ERROR: 5.92 [deg radius, statistical plus systematic] GRB_INTEN: 326 [cnts/sec] DATA_SIGNIF: 32.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 0.00 [deg] GRB_THETA: 55.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.03 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 83% GRB 2nd_MOST_LIKELY: 14% Distant Particles DETECTORS: 1,1,0, 0,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 177.84d {+11h 51m 22s} +0.93d {+00d 56' 04"} SUN_DIST: 48.55 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 162.47d {+10h 49m 53s} +8.13d {+08d 07' 35"} MOON_DIST: 45.52 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 134.32, 67.49 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 160.15, 46.16 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 217.87,24.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:47:14 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 780050791 GRB_RA: 186.630d {+12h 26m 31s} (J2000), 186.945d {+12h 27m 47s} (current), 186.016d {+12h 24m 04s} (1950) GRB_DEC: +40.860d {+40d 51' 36"} (J2000), +40.718d {+40d 43' 04"} (current), +41.137d {+41d 08' 12"} (1950) GRB_ERROR: 6.17 [deg radius, statistical only] DATA_SIGNIF: 14.50 [sigma] DATA_INTERVAL: 1.024 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 2.00 [deg] GRB_THETA: 63.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 177.84d {+11h 51m 22s} +0.93d {+00d 56' 04"} SUN_DIST: 40.63 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 162.47d {+10h 49m 53s} +8.13d {+08d 07' 33"} MOON_DIST: 39.18 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 141.85, 75.34 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 166.52, 39.42 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780050791.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:47:52 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 780050791 GRB_RA: 196.800d {+13h 07m 12s} (J2000), 197.075d {+13h 08m 18s} (current), 196.264d {+13h 05m 03s} (1950) GRB_DEC: +52.630d {+52d 37' 48"} (J2000), +52.493d {+52d 29' 35"} (current), +52.897d {+52d 53' 49"} (1950) GRB_ERROR: 6.05 [deg radius, statistical only] DATA_SIGNIF: 17.10 [sigma] DATA_INTERVAL: 5.120 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 7.00 [deg] GRB_THETA: 50.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 177.84d {+11h 51m 22s} +0.93d {+00d 56' 03"} SUN_DIST: 54.00 [deg] Sun_angle= -1.3 [hr] (East of Sun) MOON_POSTN: 162.48d {+10h 49m 54s} +8.12d {+08d 07' 23"} MOON_DIST: 52.54 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 117.41, 64.33 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 165.05, 53.03 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780050791.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:48:02 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 780050791 GRB_RA: 188.900d {+12h 35m 36s} (J2000), 189.200d {+12h 36m 48s} (current), 188.315d {+12h 33m 16s} (1950) GRB_DEC: +52.790d {+52d 47' 24"} (J2000), +52.649d {+52d 38' 55"} (current), +53.065d {+53d 03' 55"} (1950) GRB_ERROR: 3.54 [deg radius, statistical only] DATA_SIGNIF: 34.40 [sigma] DATA_INTERVAL: 8.192 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 1.00 [deg] GRB_THETA: 51.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 177.84d {+11h 51m 22s} +0.93d {+00d 56' 03"} SUN_DIST: 52.58 [deg] Sun_angle= -0.8 [hr] (East of Sun) MOON_POSTN: 162.48d {+10h 49m 55s} +8.12d {+08d 07' 21"} MOON_DIST: 49.55 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 128.43, 64.17 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 158.86, 50.17 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780050791.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:48:13 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 780050791 GRB_RA: 187.220d {+12h 28m 53s} (J2000), 187.529d {+12h 30m 07s} (current), 186.617d {+12h 26m 28s} (1950) GRB_DEC: +47.910d {+47d 54' 36"} (J2000), +47.768d {+47d 46' 05"} (current), +48.186d {+48d 11' 11"} (1950) GRB_ERROR: 2.17 [deg radius, statistical only] DATA_SIGNIF: 45.20 [sigma] DATA_INTERVAL: 11.264 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 1.00 [deg] GRB_THETA: 56.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 177.84d {+11h 51m 23s} +0.93d {+00d 56' 03"} SUN_DIST: 47.58 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 162.48d {+10h 49m 55s} +8.12d {+08d 07' 18"} MOON_DIST: 44.98 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 133.41, 68.76 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 161.86, 45.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780050791.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:48:32 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 4 TRIGGER_NUM: 780050791 GRB_RA: 186.230d {+12h 24m 55s} (J2000), 186.541d {+12h 26m 10s} (current), 185.623d {+12h 22m 29s} (1950) GRB_DEC: +49.070d {+49d 04' 12"} (J2000), +48.928d {+48d 55' 40"} (current), +49.347d {+49d 20' 49"} (1950) GRB_ERROR: 1.90 [deg radius, statistical only] DATA_SIGNIF: 42.00 [sigma] DATA_INTERVAL: 14.336 [sec] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 0.00 [deg] GRB_THETA: 55.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 177.84d {+11h 51m 23s} +0.93d {+00d 56' 03"} SUN_DIST: 48.57 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 162.48d {+10h 49m 56s} +8.12d {+08d 07' 13"} MOON_DIST: 45.54 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 134.32, 67.47 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 160.14, 46.17 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780050791.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 20 Sep 25 08:55:35 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 780050791 GRB_RA: 190.840d {+12h 43m 22s} (J2000), 191.140d {+12h 44m 34s} (current), 190.255d {+12h 41m 01s} (1950) GRB_DEC: +47.400d {+47d 23' 60"} (J2000), +47.259d {+47d 15' 34"} (current), +47.674d {+47d 40' 25"} (1950) GRB_ERROR: 2.39 [deg radius, statistical only] GRB_DATE: 20938 TJD; 263 DOY; 25/09/20 GRB_TIME: 31586.16 SOD {08:46:26.16} UT GRB_PHI: 4.00 [deg] GRB_THETA: 56.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 177.85d {+11h 51m 24s} +0.93d {+00d 55' 56"} SUN_DIST: 47.75 [deg] Sun_angle= -0.9 [hr] (East of Sun) MOON_POSTN: 162.54d {+10h 50m 09s} +8.09d {+08d 05' 30"} MOON_DIST: 46.11 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 126.87, 69.67 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 165.17, 46.55 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_lc_medres34_bn250920366.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250920366/quicklook/glg_locplot_all_bn250920366.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 Long GRB. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(4.0<100sec) coincident with the SWIFT_BAT event (trignum=1351008).