////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 20 Feb 26 17:59:36 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 793303175 GRB_DATE: 21091 TJD; 51 DOY; 26/02/20 GRB_TIME: 64770.33 SOD {17:59:30.33} UT TRIGGER_SIGNIF: 7.3 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 5-7 [chan] 291-infinity [keV] ALGORITHM: 116 DETECTORS: 1,0,1, 0,1,1, 0,0,0, 0,0,0, 0,1, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260220750/quicklook/glg_lc_medres34_bn260220750.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 53.88,-1.02 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 20 Feb 26 17:59:59 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 793303175 GRB_RA: 253.400d {+16h 53m 36s} (J2000), 253.580d {+16h 54m 19s} (current), 253.056d {+16h 52m 14s} (1950) GRB_DEC: +48.050d {+48d 02' 60"} (J2000), +48.009d {+48d 00' 31"} (current), +48.130d {+48d 07' 49"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 4.30 [sigma] INTEG_TIME: 0.016 [sec] GRB_DATE: 21091 TJD; 51 DOY; 26/02/20 GRB_TIME: 64770.33 SOD {17:59:30.33} UT GRB_PHI: 180.00 [deg] GRB_THETA: 170.00 [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: 1,0,1, 0,1,1, 0,0,0, 0,0,0, 0,1, SUN_POSTN: 334.10d {+22h 16m 24s} -10.72d {-10d 43' 18"} SUN_DIST: 91.72 [deg] Sun_angle= 5.4 [hr] (West of Sun) MOON_POSTN: 10.65d {+00h 42m 35s} +7.73d {+07d 43' 46"} MOON_DIST: 101.64 [deg] MOON_ILLUM: 12 [%] GAL_COORDS: 74.27, 39.18 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 236.81, 69.58 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260220750/quicklook/glg_lc_medres34_bn260220750.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 53.88,-1.02 [deg]. COMMENTS: WARNING: This Notice was received with a negative intensity field -- INTEN was set to 0. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.