////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 10 Apr 26 12:22:33 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 797516551 GRB_DATE: 21140 TJD; 100 DOY; 26/04/10 GRB_TIME: 44546.93 SOD {12:22:26.93} UT TRIGGER_SIGNIF: 8.3 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 1 DETECTORS: 1,0,1, 0,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_lc_medres34_bn260410516.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 288.93,-0.37 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 10 Apr 26 12:22:55 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 797516551 GRB_RA: 140.700d {+09h 22m 48s} (J2000), 141.336d {+09h 25m 21s} (current), 139.473d {+09h 17m 53s} (1950) GRB_DEC: +72.967d {+72d 58' 00"} (J2000), +72.853d {+72d 51' 11"} (current), +73.180d {+73d 10' 49"} (1950) GRB_ERROR: 3.82 [deg radius, statistical plus systematic] GRB_INTEN: 1869 [cnts/sec] DATA_SIGNIF: 18.30 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21140 TJD; 100 DOY; 26/04/10 GRB_TIME: 44546.93 SOD {12:22:26.93} UT GRB_PHI: 12.00 [deg] GRB_THETA: 155.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.32 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 93% GRB 2nd_MOST_LIKELY: 3% Distant Particles DETECTORS: 1,0,1, 0,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 19.08d {+01h 16m 18s} +8.06d {+08d 03' 47"} SUN_DIST: 91.25 [deg] Sun_angle= -8.2 [hr] (East of Sun) MOON_POSTN: 296.56d {+19h 46m 14s} -24.86d {-24d 51' 26"} MOON_DIST: 130.13 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 139.67, 36.58 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 112.38, 53.46 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_lc_medres34_bn260410516.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 288.93,-0.37 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 10 Apr 26 12:23:13 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 797516551 GRB_RA: 24.420d {+01h 37m 41s} (J2000), 24.823d {+01h 39m 17s} (current), 23.657d {+01h 34m 38s} (1950) GRB_DEC: +47.330d {+47d 19' 48"} (J2000), +47.463d {+47d 27' 47"} (current), +47.076d {+47d 04' 33"} (1950) GRB_ERROR: 7.05 [deg radius, statistical only] DATA_SIGNIF: 20.30 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 21140 TJD; 100 DOY; 26/04/10 GRB_TIME: 44546.93 SOD {12:22:26.93} UT GRB_PHI: 9.00 [deg] GRB_THETA: 103.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 19.08d {+01h 16m 18s} +8.06d {+08d 03' 47"} SUN_DIST: 39.70 [deg] Sun_angle= -0.4 [hr] (East of Sun) MOON_POSTN: 296.56d {+19h 46m 15s} -24.86d {-24d 51' 24"} MOON_DIST: 106.93 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 131.01,-14.82 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 41.68, 34.27 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_lc_medres34_bn260410516.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_797516551.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: Bright hard burst in the GBM. 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: Fri 10 Apr 26 12:24:23 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 797516551 GRB_RA: 11.640d {+00h 46m 34s} (J2000), 11.999d {+00h 48m 00s} (current), 10.959d {+00h 43m 50s} (1950) GRB_DEC: +36.820d {+36d 49' 12"} (J2000), +36.963d {+36d 57' 47"} (current), +36.547d {+36d 32' 49"} (1950) GRB_ERROR: 6.56 [deg radius, statistical only] DATA_SIGNIF: 7.30 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 21140 TJD; 100 DOY; 26/04/10 GRB_TIME: 44546.93 SOD {12:22:26.93} UT GRB_PHI: 15.00 [deg] GRB_THETA: 90.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 19.08d {+01h 16m 19s} +8.06d {+08d 03' 48"} SUN_DIST: 29.61 [deg] Sun_angle= 0.5 [hr] (West of Sun) MOON_POSTN: 296.57d {+19h 46m 17s} -24.85d {-24d 51' 15"} MOON_DIST: 94.03 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 121.85,-26.04 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 26.25, 29.05 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_lc_medres34_bn260410516.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_797516551.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: Fri 10 Apr 26 12:31:43 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 797516551 GRB_RA: 4.220d {+00h 16m 53s} (J2000), 4.565d {+00h 18m 16s} (current), 3.565d {+00h 14m 16s} (1950) GRB_DEC: +37.740d {+37d 44' 24"} (J2000), +37.886d {+37d 53' 09"} (current), +37.462d {+37d 27' 44"} (1950) GRB_ERROR: 5.61 [deg radius, statistical only] GRB_DATE: 21140 TJD; 100 DOY; 26/04/10 GRB_TIME: 44546.93 SOD {12:22:26.93} UT GRB_PHI: 21.00 [deg] GRB_THETA: 90.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 19.08d {+01h 16m 20s} +8.07d {+08d 03' 55"} SUN_DIST: 32.58 [deg] Sun_angle= 1.0 [hr] (West of Sun) MOON_POSTN: 296.64d {+19h 46m 33s} -24.84d {-24d 50' 21"} MOON_DIST: 89.36 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 115.42,-24.63 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 20.63, 32.58 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_lc_medres34_bn260410516.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260410516/quicklook/glg_locplot_all_bn260410516.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 Short GRB.