////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 11 Mar 26 18:58:05 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 794948280 GRB_DATE: 21110 TJD; 70 DOY; 26/03/11 GRB_TIME: 68275.42 SOD {18:57:55.42} UT TRIGGER_SIGNIF: 4.3 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 8 DETECTORS: 1,1,0, 0,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260311790/quicklook/glg_lc_medres34_bn260311790.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 124.35,22.22 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 11 Mar 26 18:58:06 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 794948280 GRB_RA: 264.500d {+17h 38m 00s} (J2000), 264.846d {+17h 39m 23s} (current), 263.839d {+17h 35m 21s} (1950) GRB_DEC: -4.217d {-04d 13' 00"} (J2000), -4.230d {-04d 13' 48"} (current), -4.188d {-04d 11' 17"} (1950) GRB_ERROR: 29.53 [deg radius, statistical plus systematic] GRB_INTEN: 86 [cnts/sec] DATA_SIGNIF: 6.40 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21110 TJD; 70 DOY; 26/03/11 GRB_TIME: 68275.42 SOD {18:57:55.42} UT GRB_PHI: 47.00 [deg] GRB_THETA: 40.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.41 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 91% GRB 2nd_MOST_LIKELY: 4% Cyg X-1 DETECTORS: 1,1,0, 0,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 351.93d {+23h 27m 43s} -3.48d {-03d 28' 56"} SUN_DIST: 86.84 [deg] Sun_angle= 5.8 [hr] (West of Sun) MOON_POSTN: 264.74d {+17h 38m 57s} -28.43d {-28d 25' 51"} MOON_DIST: 24.20 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 20.50, 14.24 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 264.19, 19.11 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260311790/quicklook/glg_lc_medres34_bn260311790.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 124.35,22.22 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 11 Mar 26 18:58:24 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 794948280 GRB_RA: 276.160d {+18h 24m 38s} (J2000), 276.531d {+18h 26m 08s} (current), 275.451d {+18h 21m 48s} (1950) GRB_DEC: -13.880d {-13d 52' 47"} (J2000), -13.864d {-13d 51' 49"} (current), -13.908d {-13d 54' 28"} (1950) GRB_ERROR: 11.17 [deg radius, statistical only] DATA_SIGNIF: 9.40 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21110 TJD; 70 DOY; 26/03/11 GRB_TIME: 68275.42 SOD {18:57:55.42} UT GRB_PHI: 26.00 [deg] GRB_THETA: 45.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 351.93d {+23h 27m 43s} -3.48d {-03d 28' 56"} SUN_DIST: 75.00 [deg] Sun_angle= 5.0 [hr] (West of Sun) MOON_POSTN: 264.74d {+17h 38m 58s} -28.43d {-28d 25' 51"} MOON_DIST: 18.22 [deg] MOON_ILLUM: 47 [%] GAL_COORDS: 17.56, -0.49 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 276.06, 9.43 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260311790/quicklook/glg_lc_medres34_bn260311790.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_794948280.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: Wed 11 Mar 26 19:07:16 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 794948280 GRB_RA: 278.470d {+18h 33m 53s} (J2000), 278.805d {+18h 35m 13s} (current), 277.831d {+18h 31m 20s} (1950) GRB_DEC: +0.390d {+00d 23' 24"} (J2000), +0.412d {+00d 24' 43"} (current), +0.351d {+00d 21' 02"} (1950) GRB_ERROR: 11.74 [deg radius, statistical only] GRB_DATE: 21110 TJD; 70 DOY; 26/03/11 GRB_TIME: 68275.42 SOD {18:57:55.42} UT GRB_PHI: 41.00 [deg] GRB_THETA: 54.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 351.93d {+23h 27m 44s} -3.48d {-03d 28' 47"} SUN_DIST: 73.19 [deg] Sun_angle= 4.9 [hr] (West of Sun) MOON_POSTN: 264.82d {+17h 39m 18s} -28.43d {-28d 25' 54"} MOON_DIST: 31.80 [deg] MOON_ILLUM: 46 [%] GAL_COORDS: 31.28, 4.08 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 279.25, 23.56 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260311790/quicklook/glg_lc_medres34_bn260311790.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260311790/quicklook/glg_locplot_all_bn260311790.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.