////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 28 Jun 26 21:51:32 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 804376289 GRB_DATE: 21219 TJD; 179 DOY; 26/06/28 GRB_TIME: 78684.02 SOD {21:51:24.02} UT TRIGGER_SIGNIF: 9.2 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 1 DETECTORS: 0,0,0, 0,0,0, 0,1,1, 1,0,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260628911/quicklook/glg_lc_medres34_bn260628911.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 29.73,12.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 28 Jun 26 21:51:53 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 804376289 GRB_RA: 298.750d {+19h 55m 00s} (J2000), 299.075d {+19h 56m 18s} (current), 298.137d {+19h 52m 33s} (1950) GRB_DEC: +6.517d {+06d 31' 00"} (J2000), +6.588d {+06d 35' 17"} (current), +6.384d {+06d 23' 03"} (1950) GRB_ERROR: 22.35 [deg radius, statistical plus systematic] GRB_INTEN: 982 [cnts/sec] DATA_SIGNIF: 12.30 [sigma] INTEG_TIME: 0.032 [sec] GRB_DATE: 21219 TJD; 179 DOY; 26/06/28 GRB_TIME: 78684.02 SOD {21:51:24.02} UT GRB_PHI: 196.00 [deg] GRB_THETA: 50.00 [deg] DATA_TIME_SCALE: 0.0320 [sec] HARD_RATIO: 1.20 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 2% SGR_1806n20 DETECTORS: 0,0,0, 0,0,0, 0,1,1, 1,0,1, 0,0, SUN_POSTN: 97.85d {+06h 31m 24s} +23.24d {+23d 14' 20"} SUN_DIST: 143.67 [deg] Sun_angle= 10.6 [hr] (West of Sun) MOON_POSTN: 264.73d {+17h 38m 56s} -27.99d {-27d 59' 07"} MOON_DIST: 47.89 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 46.18,-10.97 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 302.36, 26.78 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260628911/quicklook/glg_lc_medres34_bn260628911.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 29.73,12.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 28 Jun 26 21:52:10 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 804376289 GRB_RA: 293.050d {+19h 32m 12s} (J2000), 293.389d {+19h 33m 33s} (current), 292.410d {+19h 29m 38s} (1950) GRB_DEC: +0.220d {+00d 13' 12"} (J2000), +0.278d {+00d 16' 41"} (current), +0.112d {+00d 06' 45"} (1950) GRB_ERROR: 11.54 [deg radius, statistical only] DATA_SIGNIF: 14.10 [sigma] DATA_INTERVAL: 0.032 [sec] GRB_DATE: 21219 TJD; 179 DOY; 26/06/28 GRB_TIME: 78684.02 SOD {21:51:24.02} UT GRB_PHI: 190.00 [deg] GRB_THETA: 57.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 97.85d {+06h 31m 24s} +23.24d {+23d 14' 20"} SUN_DIST: 152.05 [deg] Sun_angle= 11.0 [hr] (West of Sun) MOON_POSTN: 264.74d {+17h 38m 57s} -27.99d {-27d 59' 07"} MOON_DIST: 39.41 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 37.82, -8.96 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 294.92, 21.69 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260628911/quicklook/glg_lc_medres34_bn260628911.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_804376289.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: Bright hard burst in the GBM. 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: Sun 28 Jun 26 22:00:41 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 804376289 GRB_RA: 308.170d {+20h 32m 41s} (J2000), 308.523d {+20h 34m 06s} (current), 307.503d {+20h 30m 01s} (1950) GRB_DEC: -6.870d {-06d 52' 11"} (J2000), -6.779d {-06d 46' 42"} (current), -7.041d {-07d 02' 26"} (1950) GRB_ERROR: 14.28 [deg radius, statistical only] GRB_DATE: 21219 TJD; 179 DOY; 26/06/28 GRB_TIME: 78684.02 SOD {21:51:24.02} UT GRB_PHI: 208.00 [deg] GRB_THETA: 63.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 97.86d {+06h 31m 26s} +23.24d {+23d 14' 19"} SUN_DIST: 146.24 [deg] Sun_angle= 10.0 [hr] (West of Sun) MOON_POSTN: 264.82d {+17h 39m 16s} -27.99d {-27d 59' 07"} MOON_DIST: 46.43 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 38.47,-25.61 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 308.78, 11.58 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260628911/quicklook/glg_lc_medres34_bn260628911.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260628911/quicklook/glg_locplot_all_bn260628911.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: This is likely a Short GRB.