////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 11 Apr 26 06:36:33 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 797582193 GRB_DATE: 21141 TJD; 101 DOY; 26/04/11 GRB_TIME: 23788.13 SOD {06:36:28.13} UT TRIGGER_SIGNIF: 4.3 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 9 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260411275/quicklook/glg_lc_medres34_bn260411275.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 222.62,-14.32 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 11 Apr 26 06:36:57 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 797582193 GRB_RA: 155.933d {+10h 23m 44s} (J2000), 156.292d {+10h 25m 10s} (current), 155.250d {+10h 21m 00s} (1950) GRB_DEC: +20.400d {+20d 23' 60"} (J2000), +20.266d {+20d 15' 59"} (current), +20.654d {+20d 39' 13"} (1950) GRB_ERROR: 12.70 [deg radius, statistical plus systematic] GRB_INTEN: 115 [cnts/sec] DATA_SIGNIF: 6.10 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 21141 TJD; 101 DOY; 26/04/11 GRB_TIME: 23788.13 SOD {06:36:28.13} UT GRB_PHI: 84.00 [deg] GRB_THETA: 25.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.85 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 98% GRB 2nd_MOST_LIKELY: 1% Generic Transient DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 19.78d {+01h 19m 06s} +8.34d {+08d 20' 34"} SUN_DIST: 128.55 [deg] Sun_angle= -9.1 [hr] (East of Sun) MOON_POSTN: 306.32d {+20h 25m 17s} -22.29d {-22d 17' 22"} MOON_DIST: 152.04 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 216.13, 55.67 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 150.24, 9.66 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260411275/quicklook/glg_lc_medres34_bn260411275.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 222.62,-14.32 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 11 Apr 26 06:37:14 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 797582193 GRB_RA: 153.290d {+10h 13m 10s} (J2000), 153.647d {+10h 14m 35s} (current), 152.610d {+10h 10m 27s} (1950) GRB_DEC: +17.010d {+17d 00' 36"} (J2000), +16.879d {+16d 52' 45"} (current), +17.258d {+17d 15' 29"} (1950) GRB_ERROR: 9.33 [deg radius, statistical only] DATA_SIGNIF: 6.90 [sigma] DATA_INTERVAL: 1.024 [sec] GRB_DATE: 21141 TJD; 101 DOY; 26/04/11 GRB_TIME: 23788.13 SOD {06:36:28.13} UT GRB_PHI: 87.00 [deg] GRB_THETA: 29.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 19.78d {+01h 19m 06s} +8.34d {+08d 20' 34"} SUN_DIST: 127.88 [deg] Sun_angle= -8.9 [hr] (East of Sun) MOON_POSTN: 306.32d {+20h 25m 17s} -22.29d {-22d 17' 19"} MOON_DIST: 153.73 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 220.02, 52.13 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 149.13, 5.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260411275/quicklook/glg_lc_medres34_bn260411275.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_797582193.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 11 Apr 26 06:45:55 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 797582193 GRB_RA: 153.600d {+10h 14m 24s} (J2000), 153.950d {+10h 15m 48s} (current), 152.933d {+10h 11m 44s} (1950) GRB_DEC: +11.980d {+11d 58' 48"} (J2000), +11.849d {+11d 50' 56"} (current), +12.229d {+12d 13' 43"} (1950) GRB_ERROR: 9.60 [deg radius, statistical only] GRB_DATE: 21141 TJD; 101 DOY; 26/04/11 GRB_TIME: 23788.13 SOD {06:36:28.13} UT GRB_PHI: 95.00 [deg] GRB_THETA: 32.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 19.78d {+01h 19m 07s} +8.35d {+08d 20' 42"} SUN_DIST: 130.16 [deg] Sun_angle= -8.9 [hr] (East of Sun) MOON_POSTN: 306.40d {+20h 25m 36s} -22.27d {-22d 15' 56"} MOON_DIST: 151.74 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 227.48, 50.24 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 151.20, 1.00 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260411275/quicklook/glg_lc_medres34_bn260411275.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260411275/quicklook/glg_locplot_all_bn260411275.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 Short GRB.