////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 25 Aug 26 13:07:24 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 809356040 GRB_DATE: 21277 TJD; 237 DOY; 26/08/25 GRB_TIME: 47235.92 SOD {13:07:15.92} UT TRIGGER_SIGNIF: 5.5 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 0,0,0, 0,1,1, 0,0,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_lc_medres34_bn260825547.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 182.65,-25.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 25 Aug 26 13:07:26 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 809356040 GRB_RA: 78.367d {+05h 13m 28s} (J2000), 78.711d {+05h 14m 51s} (current), 77.721d {+05h 10m 53s} (1950) GRB_DEC: +1.217d {+01d 13' 00"} (J2000), +1.246d {+01d 14' 46"} (current), +1.159d {+01d 09' 32"} (1950) GRB_ERROR: 25.85 [deg radius, statistical plus systematic] GRB_INTEN: 79 [cnts/sec] DATA_SIGNIF: 6.10 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21277 TJD; 237 DOY; 26/08/25 GRB_TIME: 47235.92 SOD {13:07:15.92} UT GRB_PHI: 299.00 [deg] GRB_THETA: 85.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 1.15 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 78% GRB 2nd_MOST_LIKELY: 18% Distant Particles DETECTORS: 0,0,0, 0,1,1, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 154.33d {+10h 17m 20s} +10.63d {+10d 38' 01"} SUN_DIST: 75.64 [deg] Sun_angle= 5.0 [hr] (West of Sun) MOON_POSTN: 305.03d {+20h 20m 07s} -22.17d {-22d 10' 06"} MOON_DIST: 130.36 [deg] MOON_ILLUM: 93 [%] GAL_COORDS: 200.06,-21.05 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 77.47,-21.72 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_lc_medres34_bn260825547.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 182.65,-25.70 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 25 Aug 26 13:07:45 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 809356040 GRB_RA: 80.770d {+05h 23m 05s} (J2000), 81.134d {+05h 24m 32s} (current), 80.087d {+05h 20m 21s} (1950) GRB_DEC: +8.740d {+08d 44' 24"} (J2000), +8.763d {+08d 45' 48"} (current), +8.694d {+08d 41' 37"} (1950) GRB_ERROR: 10.06 [deg radius, statistical only] DATA_SIGNIF: 9.00 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 21277 TJD; 237 DOY; 26/08/25 GRB_TIME: 47235.92 SOD {13:07:15.92} UT GRB_PHI: 307.00 [deg] GRB_THETA: 84.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 154.33d {+10h 17m 20s} +10.63d {+10d 38' 01"} SUN_DIST: 72.01 [deg] Sun_angle= 4.9 [hr] (West of Sun) MOON_POSTN: 305.03d {+20h 20m 08s} -22.17d {-22d 10' 03"} MOON_DIST: 135.81 [deg] MOON_ILLUM: 93 [%] GAL_COORDS: 194.53,-15.16 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 80.58,-14.40 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_lc_medres34_bn260825547.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809356040.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Tue 25 Aug 26 13:08:18 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 809356040 GRB_RA: 91.540d {+06h 06m 10s} (J2000), 91.872d {+06h 07m 29s} (current), 90.917d {+06h 03m 40s} (1950) GRB_DEC: -3.580d {-03d 34' 47"} (J2000), -3.584d {-03d 35' 03"} (current), -3.574d {-03d 34' 26"} (1950) GRB_ERROR: 4.75 [deg radius, statistical only] DATA_SIGNIF: 13.00 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21277 TJD; 237 DOY; 26/08/25 GRB_TIME: 47235.92 SOD {13:07:15.92} UT GRB_PHI: 300.00 [deg] GRB_THETA: 99.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 154.33d {+10h 17m 20s} +10.63d {+10d 38' 01"} SUN_DIST: 63.77 [deg] Sun_angle= 4.2 [hr] (West of Sun) MOON_POSTN: 305.04d {+20h 20m 09s} -22.17d {-22d 09' 58"} MOON_DIST: 138.60 [deg] MOON_ILLUM: 93 [%] GAL_COORDS: 210.96,-11.70 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 91.73,-27.01 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_lc_medres34_bn260825547.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809356040.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: This is likely a Long GRB. 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: Tue 25 Aug 26 13:16:33 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 809356040 GRB_RA: 88.350d {+05h 53m 24s} (J2000), 88.688d {+05h 54m 45s} (current), 87.715d {+05h 50m 52s} (1950) GRB_DEC: -1.170d {-01d 10' 11"} (J2000), -1.166d {-01d 09' 57"} (current), -1.180d {-01d 10' 45"} (1950) GRB_ERROR: 5.72 [deg radius, statistical only] GRB_DATE: 21277 TJD; 237 DOY; 26/08/25 GRB_TIME: 47235.92 SOD {13:07:15.92} UT GRB_PHI: 301.00 [deg] GRB_THETA: 95.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 154.34d {+10h 17m 21s} +10.63d {+10d 37' 54"} SUN_DIST: 66.33 [deg] Sun_angle= 4.4 [hr] (West of Sun) MOON_POSTN: 305.11d {+20h 20m 26s} -22.14d {-22d 08' 40"} MOON_DIST: 137.52 [deg] MOON_ILLUM: 93 [%] GAL_COORDS: 207.27,-13.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 88.19,-24.60 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_lc_medres34_bn260825547.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260825547/quicklook/glg_locplot_all_bn260825547.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 Long GRB.