////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 30 Apr 26 20:48:17 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 799274897 GRB_DATE: 21160 TJD; 120 DOY; 26/04/30 GRB_TIME: 74892.04 SOD {20:48:12.04} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 1,0,0, 0,0,0, 0,1,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260430867/quicklook/glg_lc_medres34_bn260430867.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 269.12,-25.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 30 Apr 26 20:48:41 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 799274897 GRB_RA: 79.650d {+05h 18m 36s} (J2000), 79.775d {+05h 19m 06s} (current), 79.412d {+05h 17m 39s} (1950) GRB_DEC: -55.783d {-55d 46' 59"} (J2000), -55.757d {-55d 45' 25"} (current), -55.834d {-55d 50' 01"} (1950) GRB_ERROR: 21.07 [deg radius, statistical plus systematic] GRB_INTEN: 47 [cnts/sec] DATA_SIGNIF: 4.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21160 TJD; 120 DOY; 26/04/30 GRB_TIME: 74892.04 SOD {20:48:12.04} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 1,0,0, 0,0,0, 0,1,0, 0,0,0, 0,0, SUN_POSTN: 38.10d {+02h 32m 25s} +14.98d {+14d 58' 31"} SUN_DIST: 78.91 [deg] Sun_angle= -2.8 [hr] (East of Sun) MOON_POSTN: 207.13d {+13h 48m 31s} -15.58d {-15d 34' 52"} MOON_DIST: 96.13 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 263.79,-35.05 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 60.50,-78.16 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260430867/quicklook/glg_lc_medres34_bn260430867.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 269.12,-25.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 30 Apr 26 20:48:50 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 799274897 GRB_RA: 80.467d {+05h 21m 52s} (J2000), 80.594d {+05h 22m 23s} (current), 80.225d {+05h 20m 54s} (1950) GRB_DEC: -55.433d {-55d 25' 59"} (J2000), -55.409d {-55d 24' 32"} (current), -55.480d {-55d 28' 47"} (1950) GRB_ERROR: 11.27 [deg radius, statistical plus systematic] GRB_INTEN: 82 [cnts/sec] DATA_SIGNIF: 7.90 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21160 TJD; 120 DOY; 26/04/30 GRB_TIME: 74892.04 SOD {20:48:12.04} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.56 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 85% GRB 2nd_MOST_LIKELY: 13% Generic SGR DETECTORS: 1,0,0, 0,0,0, 0,1,0, 0,0,0, 0,0, SUN_POSTN: 38.10d {+02h 32m 25s} +14.98d {+14d 58' 32"} SUN_DIST: 78.95 [deg] Sun_angle= -2.8 [hr] (East of Sun) MOON_POSTN: 207.13d {+13h 48m 32s} -15.58d {-15d 34' 54"} MOON_DIST: 95.99 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 263.34,-34.60 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 63.17,-77.98 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260430867/quicklook/glg_lc_medres34_bn260430867.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 269.12,-25.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 30 Apr 26 20:49:00 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 799274897 GRB_RA: 75.330d {+05h 01m 19s} (J2000), 75.434d {+05h 01m 44s} (current), 75.133d {+05h 00m 32s} (1950) GRB_DEC: -58.690d {-58d 41' 23"} (J2000), -58.653d {-58d 39' 10"} (current), -58.761d {-58d 45' 38"} (1950) GRB_ERROR: 4.97 [deg radius, statistical only] DATA_SIGNIF: 7.10 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21160 TJD; 120 DOY; 26/04/30 GRB_TIME: 74892.04 SOD {20:48:12.04} UT GRB_PHI: 101.00 [deg] GRB_THETA: 4.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 38.10d {+02h 32m 25s} +14.98d {+14d 58' 32"} SUN_DIST: 79.69 [deg] Sun_angle= -2.5 [hr] (East of Sun) MOON_POSTN: 207.13d {+13h 48m 32s} -15.58d {-15d 34' 56"} MOON_DIST: 95.96 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 267.63,-37.11 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 42.69,-79.69 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260430867/quicklook/glg_lc_medres34_bn260430867.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_799274897.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: Thu 30 Apr 26 20:49:00 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 69 TRIGGER_NUM: 799274897 GRB_RA: 81.267d {+05h 25m 04s} (J2000), 81.397d {+05h 25m 35s} (current), 81.020d {+05h 24m 05s} (1950) GRB_DEC: -55.067d {-55d 04' 00"} (J2000), -55.045d {-55d 02' 40"} (current), -55.110d {-55d 06' 33"} (1950) GRB_ERROR: 11.35 [deg radius, statistical plus systematic] GRB_INTEN: 92 [cnts/sec] DATA_SIGNIF: 12.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21160 TJD; 120 DOY; 26/04/30 GRB_TIME: 74892.04 SOD {20:48:12.04} UT GRB_PHI: 0.00 [deg] GRB_THETA: 0.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Unreliable location 2nd_MOST_LIKELY: 0% n/a DETECTORS: 1,0,0, 0,0,0, 0,1,0, 0,0,0, 0,0, SUN_POSTN: 38.10d {+02h 32m 25s} +14.98d {+14d 58' 32"} SUN_DIST: 78.99 [deg] Sun_angle= -2.9 [hr] (East of Sun) MOON_POSTN: 207.13d {+13h 48m 32s} -15.58d {-15d 34' 56"} MOON_DIST: 95.86 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 262.89,-34.15 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 65.77,-77.77 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260430867/quicklook/glg_lc_medres34_bn260430867.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 269.12,-25.57 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger.