////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Jul 25 09:37:53 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 774783471 GRB_DATE: 20877 TJD; 202 DOY; 25/07/21 GRB_TIME: 34666.53 SOD {09:37:46.53} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 16 DETECTORS: 0,1,1, 0,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_lc_medres34_bn250721401.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 121.73,-19.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Jul 25 09:38:05 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 774783471 GRB_RA: 81.400d {+05h 25m 36s} (J2000), 81.666d {+05h 26m 40s} (current), 80.879d {+05h 23m 31s} (1950) GRB_DEC: -23.550d {-23d 33' 00"} (J2000), -23.529d {-23d 31' 44"} (current), -23.593d {-23d 35' 33"} (1950) GRB_ERROR: 28.48 [deg radius, statistical plus systematic] GRB_INTEN: 56 [cnts/sec] DATA_SIGNIF: 4.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20877 TJD; 202 DOY; 25/07/21 GRB_TIME: 34666.53 SOD {09:37:46.53} UT GRB_PHI: 54.00 [deg] GRB_THETA: 70.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.97 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 62% GRB 2nd_MOST_LIKELY: 35% Distant Particles DETECTORS: 0,1,1, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 121.02d {+08h 04m 06s} +20.38d {+20d 22' 41"} SUN_DIST: 58.30 [deg] Sun_angle= 2.6 [hr] (West of Sun) MOON_POSTN: 71.83d {+04h 47m 18s} +27.53d {+27d 31' 52"} MOON_DIST: 51.94 [deg] MOON_ILLUM: 15 [%] GAL_COORDS: 226.29,-28.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 78.48,-46.65 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_lc_medres34_bn250721401.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 121.73,-19.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Jul 25 09:38:23 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 774783471 GRB_RA: 76.760d {+05h 07m 02s} (J2000), 77.076d {+05h 08m 18s} (current), 76.142d {+05h 04m 34s} (1950) GRB_DEC: -4.740d {-04d 44' 23"} (J2000), -4.708d {-04d 42' 27"} (current), -4.805d {-04d 48' 18"} (1950) GRB_ERROR: 19.20 [deg radius, statistical only] DATA_SIGNIF: 5.90 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20877 TJD; 202 DOY; 25/07/21 GRB_TIME: 34666.53 SOD {09:37:46.53} UT GRB_PHI: 50.00 [deg] GRB_THETA: 89.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 121.02d {+08h 04m 06s} +20.38d {+20d 22' 41"} SUN_DIST: 49.91 [deg] Sun_angle= 2.9 [hr] (West of Sun) MOON_POSTN: 71.83d {+04h 47m 19s} +27.53d {+27d 31' 54"} MOON_DIST: 32.63 [deg] MOON_ILLUM: 15 [%] GAL_COORDS: 204.89,-25.33 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 75.09,-27.50 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_lc_medres34_bn250721401.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_774783471.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: Mon 21 Jul 25 09:47:11 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 774783471 GRB_RA: 86.360d {+05h 45m 26s} (J2000), 86.642d {+05h 46m 34s} (current), 85.809d {+05h 43m 14s} (1950) GRB_DEC: -17.860d {-17d 51' 35"} (J2000), -17.851d {-17d 51' 04"} (current), -17.879d {-17d 52' 43"} (1950) GRB_ERROR: 16.93 [deg radius, statistical only] GRB_DATE: 20877 TJD; 202 DOY; 25/07/21 GRB_TIME: 34666.53 SOD {09:37:46.53} UT GRB_PHI: 47.00 [deg] GRB_THETA: 73.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 121.03d {+08h 04m 07s} +20.38d {+20d 22' 36"} SUN_DIST: 50.98 [deg] Sun_angle= 2.3 [hr] (West of Sun) MOON_POSTN: 71.93d {+04h 47m 43s} +27.54d {+27d 32' 35"} MOON_DIST: 47.58 [deg] MOON_ILLUM: 15 [%] GAL_COORDS: 222.25,-22.36 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 85.39,-41.24 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_lc_medres34_bn250721401.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_locplot_all_bn250721401.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Mon 21 Jul 25 10:26:00 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 774783471 GRB_RA: 75.940d {+05h 03m 46s} (J2000), 76.231d {+05h 04m 55s} (current), 75.372d {+05h 01m 29s} (1950) GRB_DEC: -14.960d {-14d 57' 35"} (J2000), -14.926d {-14d 55' 31"} (current), -15.029d {-15d 01' 43"} (1950) GRB_ERROR: 10.95 [deg radius, statistical only] GRB_DATE: 20877 TJD; 202 DOY; 25/07/21 GRB_TIME: 34666.53 SOD {09:37:46.53} UT GRB_PHI: 55.00 [deg] GRB_THETA: 79.98 [deg] E_RANGE: 50.000 - 300.000 [keV] LOC_ALGORITHM: 415 (Gnd S/W Version number) SUN_POSTN: 121.06d {+08h 04m 14s} +20.37d {+20d 22' 17"} SUN_DIST: 56.44 [deg] Sun_angle= 3.0 [hr] (West of Sun) MOON_POSTN: 72.36d {+04h 49m 26s} +27.59d {+27d 35' 33"} MOON_DIST: 42.68 [deg] MOON_ILLUM: 14 [%] GAL_COORDS: 214.95,-30.46 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 72.78,-37.56 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_lc_medres34_bn250721401.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250721401/quicklook/glg_locplot_all_bn250721401.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 has human-in-the-loop processing.