////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 28 Apr 26 13:52:33 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 799077152 GRB_DATE: 21158 TJD; 118 DOY; 26/04/28 GRB_TIME: 49947.50 SOD {13:52:27.50} UT TRIGGER_SIGNIF: 5.7 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 2-2 [chan] 23-47 [keV] ALGORITHM: 25 DETECTORS: 0,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260428578/quicklook/glg_lc_medres34_bn260428578.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 51.88,-24.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 28 Apr 26 13:52:46 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 799077152 GRB_RA: 134.633d {+08h 58m 32s} (J2000), 134.968d {+08h 59m 52s} (current), 133.997d {+08h 55m 59s} (1950) GRB_DEC: -1.333d {-01d 19' 59"} (J2000), -1.437d {-01d 26' 11"} (current), -1.139d {-01d 08' 19"} (1950) GRB_ERROR: 34.95 [deg radius, statistical plus systematic] GRB_INTEN: 261 [cnts/sec] DATA_SIGNIF: 2.60 [sigma] INTEG_TIME: 0.016 [sec] GRB_DATE: 21158 TJD; 118 DOY; 26/04/28 GRB_TIME: 49947.50 SOD {13:52:27.50} UT GRB_PHI: 250.00 [deg] GRB_THETA: 30.00 [deg] DATA_TIME_SCALE: 0.0160 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 35.92d {+02h 23m 42s} +14.27d {+14d 16' 09"} SUN_DIST: 99.12 [deg] Sun_angle= -6.6 [hr] (East of Sun) MOON_POSTN: 181.33d {+12h 05m 19s} -2.98d {-02d 58' 52"} MOON_DIST: 46.35 [deg] MOON_ILLUM: 91 [%] GAL_COORDS: 229.99, 27.25 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 137.51,-17.72 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260428578/quicklook/glg_lc_medres34_bn260428578.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 51.88,-24.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 28 Apr 26 13:53:04 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 799077152 GRB_RA: 107.617d {+07h 10m 28s} (J2000), 107.948d {+07h 11m 47s} (current), 106.987d {+07h 07m 57s} (1950) GRB_DEC: -2.467d {-02d 28' 00"} (J2000), -2.511d {-02d 30' 40"} (current), -2.384d {-02d 23' 01"} (1950) GRB_ERROR: 30.00 [deg radius, statistical plus systematic] GRB_INTEN: 154 [cnts/sec] DATA_SIGNIF: 3.80 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21158 TJD; 118 DOY; 26/04/28 GRB_TIME: 49947.50 SOD {13:52:27.50} UT GRB_PHI: 312.00 [deg] GRB_THETA: 25.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 74.97 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 41% Solar Flare 2nd_MOST_LIKELY: 31% GRB DETECTORS: 0,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 35.92d {+02h 23m 42s} +14.27d {+14d 16' 09"} SUN_DIST: 73.26 [deg] Sun_angle= -4.8 [hr] (East of Sun) MOON_POSTN: 181.33d {+12h 05m 20s} -2.98d {-02d 58' 56"} MOON_DIST: 73.29 [deg] MOON_ILLUM: 91 [%] GAL_COORDS: 217.30, 3.10 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 109.44,-24.72 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260428578/quicklook/glg_lc_medres34_bn260428578.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 51.88,-24.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 28 Apr 26 13:53:10 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 73 TRIGGER_NUM: 799077152 GRB_RA: 46.633d {+03h 06m 32s} (J2000), 46.977d {+03h 07m 54s} (current), 45.981d {+03h 03m 56s} (1950) GRB_DEC: +3.333d {+03d 19' 60"} (J2000), +3.434d {+03d 26' 01"} (current), +3.141d {+03d 08' 28"} (1950) GRB_ERROR: 18.72 [deg radius, statistical plus systematic] GRB_INTEN: 124 [cnts/sec] DATA_SIGNIF: 6.90 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21158 TJD; 118 DOY; 26/04/28 GRB_TIME: 49947.50 SOD {13:52:27.50} UT GRB_PHI: 5.00 [deg] GRB_THETA: 75.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 403.98 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 87% Solar Flare 2nd_MOST_LIKELY: 6% GRB DETECTORS: 0,0,0, 0,1,1, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 35.92d {+02h 23m 42s} +14.27d {+14d 16' 09"} SUN_DIST: 15.37 [deg] Sun_angle= -0.7 [hr] (East of Sun) MOON_POSTN: 181.33d {+12h 05m 20s} -2.98d {-02d 58' 58"} MOON_DIST: 134.43 [deg] MOON_ILLUM: 91 [%] GAL_COORDS: 175.15,-45.40 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 45.15,-13.61 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260428578/quicklook/glg_lc_medres34_bn260428578.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 51.88,-24.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.