////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 21 Apr 26 11:02:55 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 798462175 GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 39770.17 SOD {11:02:50.17} UT TRIGGER_SIGNIF: 10.9 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 5-7 [chan] 291-infinity [keV] ALGORITHM: 116 DETECTORS: 0,1,0, 1,0,0, 1,0,1, 0,1,0, 1,1, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421460/quicklook/glg_lc_medres34_bn260421460.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 259.95,16.13 [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 11:03:18 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 798462175 GRB_RA: 130.717d {+08h 42m 52s} (J2000), 131.125d {+08h 44m 30s} (current), 129.938d {+08h 39m 45s} (1950) GRB_DEC: +32.900d {+32d 53' 60"} (J2000), +32.804d {+32d 48' 15"} (current), +33.080d {+33d 04' 49"} (1950) GRB_ERROR: 16.15 [deg radius, statistical plus systematic] GRB_INTEN: 606 [cnts/sec] DATA_SIGNIF: 4.80 [sigma] INTEG_TIME: 0.016 [sec] GRB_DATE: 21151 TJD; 111 DOY; 26/04/21 GRB_TIME: 39770.17 SOD {11:02:50.17} UT GRB_PHI: 160.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 0.0160 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% TGF 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 1,0,0, 1,0,1, 0,1,0, 1,1, SUN_POSTN: 29.22d {+01h 56m 52s} +11.95d {+11d 56' 48"} SUN_DIST: 93.30 [deg] Sun_angle= -6.8 [hr] (East of Sun) MOON_POSTN: 85.87d {+05h 43m 28s} +28.26d {+28d 15' 51"} MOON_DIST: 38.95 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 190.63, 36.64 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 124.40, 14.19 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260421460/quicklook/glg_lc_medres34_bn260421460.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 259.95,16.13 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.