////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Apr 26 16:20:26 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 798222026 GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT TRIGGER_SIGNIF: 4.7 [sigma] TRIGGER_DUR: 1.024 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 12 DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 44.42,-22.20 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Apr 26 16:20:51 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 798222026 GRB_RA: 64.783d {+04h 19m 08s} (J2000), 65.039d {+04h 20m 09s} (current), 64.298d {+04h 17m 11s} (1950) GRB_DEC: -31.617d {-31d 37' 00"} (J2000), -31.555d {-31d 33' 16"} (current), -31.736d {-31d 44' 10"} (1950) GRB_ERROR: 33.08 [deg radius, statistical plus systematic] GRB_INTEN: 282 [cnts/sec] DATA_SIGNIF: 5.70 [sigma] INTEG_TIME: 0.064 [sec] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 338.00 [deg] GRB_THETA: 45.00 [deg] DATA_TIME_SCALE: 0.0640 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 26.62d {+01h 46m 30s} +10.99d {+10d 59' 34"} SUN_DIST: 56.25 [deg] Sun_angle= -2.6 [hr] (East of Sun) MOON_POSTN: 41.25d {+02h 45m 01s} +20.84d {+20d 50' 30"} MOON_DIST: 57.14 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 231.65,-44.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 53.94,-51.95 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 44.42,-22.20 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Apr 26 16:21:00 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 798222026 GRB_RA: 35.933d {+02h 23m 44s} (J2000), 36.192d {+02h 24m 46s} (current), 35.442d {+02h 21m 46s} (1950) GRB_DEC: -42.417d {-42d 25' 00"} (J2000), -42.298d {-42d 17' 53"} (current), -42.643d {-42d 38' 33"} (1950) GRB_ERROR: 9.02 [deg radius, statistical plus systematic] GRB_INTEN: 202 [cnts/sec] DATA_SIGNIF: 20.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 14.00 [deg] GRB_THETA: 45.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.65 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 73% GRB 2nd_MOST_LIKELY: 25% Distant Particles DETECTORS: 0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 26.62d {+01h 46m 30s} +10.99d {+10d 59' 34"} SUN_DIST: 54.01 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 41.26d {+02h 45m 02s} +20.84d {+20d 50' 32"} MOON_DIST: 63.31 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 258.06,-65.79 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 12.19,-52.30 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 44.42,-22.20 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Apr 26 16:21:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 798222026 GRB_RA: 38.090d {+02h 32m 22s} (J2000), 38.340d {+02h 33m 22s} (current), 37.614d {+02h 30m 27s} (1950) GRB_DEC: -43.800d {-43d 47' 59"} (J2000), -43.685d {-43d 41' 05"} (current), -44.020d {-44d 01' 10"} (1950) GRB_ERROR: 7.40 [deg radius, statistical only] DATA_SIGNIF: 17.70 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 13.00 [deg] GRB_THETA: 43.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 26.62d {+01h 46m 30s} +10.99d {+10d 59' 34"} SUN_DIST: 55.71 [deg] Sun_angle= -0.8 [hr] (East of Sun) MOON_POSTN: 41.26d {+02h 45m 02s} +20.84d {+20d 50' 34"} MOON_DIST: 64.58 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 258.90,-63.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 13.20,-54.31 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798222026.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: Sat 18 Apr 26 16:21:45 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 798222026 GRB_RA: 32.370d {+02h 09m 29s} (J2000), 32.648d {+02h 10m 35s} (current), 31.841d {+02h 07m 22s} (1950) GRB_DEC: -36.950d {-36d 57' 00"} (J2000), -36.827d {-36d 49' 35"} (current), -37.186d {-37d 11' 08"} (1950) GRB_ERROR: 6.04 [deg radius, statistical only] DATA_SIGNIF: 17.10 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 14.00 [deg] GRB_THETA: 51.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 26.62d {+01h 46m 30s} +10.99d {+10d 59' 35"} SUN_DIST: 48.15 [deg] Sun_angle= -0.4 [hr] (East of Sun) MOON_POSTN: 41.26d {+02h 45m 03s} +20.84d {+20d 50' 42"} MOON_DIST: 58.24 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 248.59,-70.82 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 12.81,-46.20 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798222026.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: Sat 18 Apr 26 16:22:19 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 798222026 GRB_RA: 30.620d {+02h 02m 29s} (J2000), 30.892d {+02h 03m 34s} (current), 30.103d {+02h 00m 25s} (1950) GRB_DEC: -41.090d {-41d 05' 23"} (J2000), -40.964d {-40d 57' 50"} (current), -41.330d {-41d 19' 48"} (1950) GRB_ERROR: 4.89 [deg radius, statistical only] DATA_SIGNIF: 18.50 [sigma] DATA_INTERVAL: 11.264 [sec] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 18.00 [deg] GRB_THETA: 48.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 26.62d {+01h 46m 30s} +10.99d {+10d 59' 35"} SUN_DIST: 52.11 [deg] Sun_angle= -0.3 [hr] (East of Sun) MOON_POSTN: 41.27d {+02h 45m 05s} +20.85d {+20d 50' 49"} MOON_DIST: 62.56 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 261.19,-69.80 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 7.97,-49.09 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_798222026.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: Sat 18 Apr 26 16:29:39 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 798222026 GRB_RA: 34.690d {+02h 18m 46s} (J2000), 34.956d {+02h 19m 49s} (current), 34.185d {+02h 16m 44s} (1950) GRB_DEC: -40.540d {-40d 32' 23"} (J2000), -40.420d {-40d 25' 10"} (current), -40.770d {-40d 46' 10"} (1950) GRB_ERROR: 4.03 [deg radius, statistical only] GRB_DATE: 21148 TJD; 108 DOY; 26/04/18 GRB_TIME: 58821.73 SOD {16:20:21.73} UT GRB_PHI: 14.00 [deg] GRB_THETA: 47.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 26.63d {+01h 46m 31s} +10.99d {+10d 59' 42"} SUN_DIST: 51.99 [deg] Sun_angle= -0.6 [hr] (East of Sun) MOON_POSTN: 41.35d {+02h 45m 23s} +20.87d {+20d 52' 19"} MOON_DIST: 61.58 [deg] MOON_ILLUM: 2 [%] GAL_COORDS: 255.19,-67.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 12.48,-50.21 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_lc_medres34_bn260418681.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260418681/quicklook/glg_locplot_all_bn260418681.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.