////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Dec 25 07:49:28 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 787736968 GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT TRIGGER_SIGNIF: 4.4 [sigma] TRIGGER_DUR: 0.512 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 10 DETECTORS: 0,0,0, 0,0,0, 0,1,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 276.43,25.13 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Dec 25 07:49:52 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 787736968 GRB_RA: 43.900d {+02h 55m 36s} (J2000), 44.296d {+02h 57m 11s} (current), 43.139d {+02h 52m 33s} (1950) GRB_DEC: +32.317d {+32d 19' 00"} (J2000), +32.421d {+32d 25' 14"} (current), +32.115d {+32d 06' 53"} (1950) GRB_ERROR: 33.45 [deg radius, statistical plus systematic] GRB_INTEN: 55 [cnts/sec] DATA_SIGNIF: 5.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 200.00 [deg] GRB_THETA: 90.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.30 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 89% GRB 2nd_MOST_LIKELY: 5% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,1,1, 0,0,0, 0,0, SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 142.02 [deg] Sun_angle= -9.2 [hr] (East of Sun) MOON_POSTN: 244.83d {+16h 19m 20s} -26.46d {-26d 27' 37"} MOON_DIST: 161.19 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 151.33,-23.62 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 50.94, 14.92 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 276.43,25.13 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Dec 25 07:50:01 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 787736968 GRB_RA: 17.667d {+01h 10m 40s} (J2000), 18.002d {+01h 12m 00s} (current), 17.022d {+01h 08m 05s} (1950) GRB_DEC: +3.083d {+03d 04' 60"} (J2000), +3.221d {+03d 13' 15"} (current), +2.818d {+02d 49' 03"} (1950) GRB_ERROR: 6.85 [deg radius, statistical plus systematic] GRB_INTEN: 265 [cnts/sec] DATA_SIGNIF: 20.20 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 236.98 [deg] GRB_THETA: 100.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.24 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 66% GRB 2nd_MOST_LIKELY: 32% Distant Particles DETECTORS: 0,0,0, 0,0,0, 0,1,1, 0,0,0, 0,0, SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 111.14 [deg] Sun_angle= -7.4 [hr] (East of Sun) MOON_POSTN: 244.83d {+16h 19m 20s} -26.46d {-26d 27' 37"} MOON_DIST: 129.53 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 132.40,-59.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 17.47, -4.08 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 276.43,25.13 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Dec 25 07:50:11 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 787736968 GRB_RA: 18.270d {+01h 13m 05s} (J2000), 18.609d {+01h 14m 26s} (current), 17.619d {+01h 10m 29s} (1950) GRB_DEC: +7.230d {+07d 13' 48"} (J2000), +7.367d {+07d 22' 02"} (current), +6.965d {+06d 57' 54"} (1950) GRB_ERROR: 10.49 [deg radius, statistical only] DATA_SIGNIF: 10.00 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 233.00 [deg] GRB_THETA: 101.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 113.32 [deg] Sun_angle= -7.5 [hr] (East of Sun) MOON_POSTN: 244.83d {+16h 19m 20s} -26.46d {-26d 27' 38"} MOON_DIST: 132.17 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 132.38,-55.24 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 19.60, -0.47 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_787736968.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: Thu 18 Dec 25 07:50:50 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 787736968 GRB_RA: 20.880d {+01h 23m 31s} (J2000), 21.220d {+01h 24m 53s} (current), 20.226d {+01h 20m 54s} (1950) GRB_DEC: +8.270d {+08d 16' 12"} (J2000), +8.405d {+08d 24' 18"} (current), +8.009d {+08d 00' 34"} (1950) GRB_ERROR: 3.58 [deg radius, statistical only] DATA_SIGNIF: 18.90 [sigma] DATA_INTERVAL: 7.168 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 231.00 [deg] GRB_THETA: 99.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 116.11 [deg] Sun_angle= -7.7 [hr] (East of Sun) MOON_POSTN: 244.84d {+16h 19m 22s} -26.46d {-26d 27' 42"} MOON_DIST: 134.93 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 136.44,-53.76 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 22.39, -0.48 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_787736968.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: Thu 18 Dec 25 07:50:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 787736968 GRB_RA: 19.870d {+01h 19m 29s} (J2000), 20.212d {+01h 20m 51s} (current), 19.212d {+01h 16m 51s} (1950) GRB_DEC: +10.820d {+10d 49' 12"} (J2000), +10.956d {+10d 57' 21"} (current), +10.558d {+10d 33' 27"} (1950) GRB_ERROR: 3.52 [deg radius, statistical only] DATA_SIGNIF: 26.80 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 229.00 [deg] GRB_THETA: 101.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 116.11 [deg] Sun_angle= -7.6 [hr] (East of Sun) MOON_POSTN: 244.84d {+16h 19m 22s} -26.46d {-26d 27' 43"} MOON_DIST: 135.25 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 134.02,-51.45 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 22.41, 2.26 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_787736968.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: Thu 18 Dec 25 07:51:21 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 787736968 GRB_RA: 20.080d {+01h 20m 19s} (J2000), 20.420d {+01h 21m 41s} (current), 19.426d {+01h 17m 42s} (1950) GRB_DEC: +8.520d {+08d 31' 12"} (J2000), +8.656d {+08d 39' 20"} (current), +8.258d {+08d 15' 29"} (1950) GRB_ERROR: 2.00 [deg radius, statistical only] DATA_SIGNIF: 29.10 [sigma] DATA_INTERVAL: 15.360 [sec] GRB_DATE: 21027 TJD; 352 DOY; 25/12/18 GRB_TIME: 28163.10 SOD {07:49:23.10} UT GRB_PHI: 231.00 [deg] GRB_THETA: 100.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 266.34d {+17h 45m 21s} -23.39d {-23d 23' 32"} SUN_DIST: 115.47 [deg] Sun_angle= -7.6 [hr] (East of Sun) MOON_POSTN: 244.85d {+16h 19m 23s} -26.46d {-26d 27' 44"} MOON_DIST: 134.36 [deg] MOON_ILLUM: 3 [%] GAL_COORDS: 135.04,-53.67 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 21.74, 0.05 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251218326/quicklook/glg_lc_medres34_bn251218326.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_787736968.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.