////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:39:29 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 798482368 GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT TRIGGER_SIGNIF: 4.7 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:39:52 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 31 TRIGGER_NUM: 798482368 GRB_RA: 13.483d {+00h 53m 56s} (J2000), 13.623d {+00h 54m 29s} (current), 13.221d {+00h 52m 53s} (1950) GRB_DEC: -80.217d {-80d 13' 00"} (J2000), -80.074d {-80d 04' 27"} (current), -80.488d {-80d 29' 14"} (1950) GRB_ERROR: 27.68 [deg radius, statistical plus systematic] GRB_INTEN: 76 [cnts/sec] DATA_SIGNIF: 4.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 90.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.41 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 59% GRB 2nd_MOST_LIKELY: 38% Distant Particles DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 29.44d {+01h 57m 44s} +12.03d {+12d 01' 33"} SUN_DIST: 92.47 [deg] Sun_angle= 1.1 [hr] (West of Sun) MOON_POSTN: 89.72d {+05h 58m 53s} +28.22d {+28d 13' 13"} MOON_DIST: 115.42 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 302.80,-36.91 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 294.92,-66.91 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:40:10 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 44 TRIGGER_NUM: 798482368 GRB_RA: 87.640d {+05h 50m 34s} (J2000), 87.586d {+05h 50m 21s} (current), 87.743d {+05h 50m 58s} (1950) GRB_DEC: -69.470d {-69d 28' 11"} (J2000), -69.464d {-69d 27' 49"} (current), -69.481d {-69d 28' 51"} (1950) GRB_ERROR: 3.17 [deg radius, statistical only] DATA_SIGNIF: 4.90 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 2.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 33"} SUN_DIST: 90.81 [deg] Sun_angle= -3.9 [hr] (East of Sun) MOON_POSTN: 89.72d {+05h 58m 53s} +28.22d {+28d 13' 13"} MOON_DIST: 97.70 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 279.78,-30.59 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 285.80,-86.96 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798482368.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: Tue 21 Apr 26 16:40:18 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 54 TRIGGER_NUM: 798482368 GRB_RA: 11.483d {+00h 45m 56s} (J2000), 11.636d {+00h 46m 33s} (current), 11.194d {+00h 44m 47s} (1950) GRB_DEC: -81.017d {-81d 01' 00"} (J2000), -80.873d {-80d 52' 23"} (current), -81.290d {-81d 17' 22"} (1950) GRB_ERROR: 7.55 [deg radius, statistical plus systematic] GRB_INTEN: 199 [cnts/sec] DATA_SIGNIF: 7.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 90.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.35 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 80% GRB 2nd_MOST_LIKELY: 16% Distant Particles DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 33"} SUN_DIST: 93.33 [deg] Sun_angle= 1.2 [hr] (West of Sun) MOON_POSTN: 89.72d {+05h 58m 54s} +28.22d {+28d 13' 13"} MOON_DIST: 115.98 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 303.20,-36.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 292.78,-66.72 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:40:25 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 76 TRIGGER_NUM: 798482368 GRB_RA: 95.867d {+06h 23m 28s} (J2000), 95.776d {+06h 23m 06s} (current), 96.037d {+06h 24m 09s} (1950) GRB_DEC: -71.167d {-71d 10' 00"} (J2000), -71.182d {-71d 10' 53"} (current), -71.138d {-71d 08' 15"} (1950) GRB_ERROR: 6.58 [deg radius, statistical plus systematic] GRB_INTEN: 243 [cnts/sec] DATA_SIGNIF: 11.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.38 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 3% Generic Transient DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 33"} SUN_DIST: 94.05 [deg] Sun_angle= -4.4 [hr] (East of Sun) MOON_POSTN: 89.73d {+05h 58m 54s} +28.22d {+28d 13' 13"} MOON_DIST: 99.49 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 281.69,-27.81 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 248.05,-84.94 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:40:33 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 79 TRIGGER_NUM: 798482368 GRB_RA: 96.533d {+06h 26m 08s} (J2000), 96.441d {+06h 25m 46s} (current), 96.708d {+06h 26m 50s} (1950) GRB_DEC: -71.283d {-71d 16' 59"} (J2000), -71.300d {-71d 17' 58"} (current), -71.251d {-71d 15' 03"} (1950) GRB_ERROR: 5.92 [deg radius, statistical plus systematic] GRB_INTEN: 325 [cnts/sec] DATA_SIGNIF: 16.10 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.49 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 33"} SUN_DIST: 94.29 [deg] Sun_angle= -4.5 [hr] (East of Sun) MOON_POSTN: 89.73d {+05h 58m 54s} +28.22d {+28d 13' 13"} MOON_DIST: 99.63 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 281.84,-27.60 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 246.57,-84.73 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:40:47 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 83 TRIGGER_NUM: 798482368 GRB_RA: 98.117d {+06h 32m 28s} (J2000), 98.018d {+06h 32m 04s} (current), 98.303d {+06h 33m 13s} (1950) GRB_DEC: -71.583d {-71d 34' 59"} (J2000), -71.604d {-71d 36' 13"} (current), -71.544d {-71d 32' 36"} (1950) GRB_ERROR: 5.02 [deg radius, statistical plus systematic] GRB_INTEN: 542 [cnts/sec] DATA_SIGNIF: 25.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.44 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 0,0,1, 0,0,0, 0,1,0, 0,0, SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 33"} SUN_DIST: 94.88 [deg] Sun_angle= -4.6 [hr] (East of Sun) MOON_POSTN: 89.73d {+05h 58m 55s} +28.22d {+28d 13' 12"} MOON_DIST: 99.99 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 282.22,-27.12 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 243.75,-84.21 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 19.17,-22.90 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:41:08 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 798482368 GRB_RA: 87.770d {+05h 51m 05s} (J2000), 87.716d {+05h 50m 52s} (current), 87.874d {+05h 51m 30s} (1950) GRB_DEC: -69.500d {-69d 30' 00"} (J2000), -69.494d {-69d 29' 38"} (current), -69.511d {-69d 30' 37"} (1950) GRB_ERROR: 2.42 [deg radius, statistical only] DATA_SIGNIF: 7.00 [sigma] DATA_INTERVAL: 8.192 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 2.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 34"} SUN_DIST: 90.86 [deg] Sun_angle= -3.9 [hr] (East of Sun) MOON_POSTN: 89.73d {+05h 58m 56s} +28.22d {+28d 13' 12"} MOON_DIST: 97.73 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 279.81,-30.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 284.82,-86.95 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798482368.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 16:41:25 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 798482368 GRB_RA: 88.100d {+05h 52m 24s} (J2000), 88.044d {+05h 52m 11s} (current), 88.207d {+05h 52m 50s} (1950) GRB_DEC: -69.590d {-69d 35' 23"} (J2000), -69.585d {-69d 35' 05"} (current), -69.599d {-69d 35' 55"} (1950) GRB_ERROR: 1.64 [deg radius, statistical only] DATA_SIGNIF: 8.20 [sigma] DATA_INTERVAL: 13.312 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 59963.09 SOD {16:39:23.09} UT GRB_PHI: 0.00 [deg] GRB_THETA: 2.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 29.44d {+01h 57m 45s} +12.03d {+12d 01' 34"} SUN_DIST: 91.01 [deg] Sun_angle= -3.9 [hr] (East of Sun) MOON_POSTN: 89.74d {+05h 58m 57s} +28.22d {+28d 13' 12"} MOON_DIST: 97.81 [deg] MOON_ILLUM: 24 [%] GAL_COORDS: 279.91,-30.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 282.30,-86.89 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421694/quicklook/glg_lc_medres34_bn260421694.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798482368.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.