////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:23:39 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 809666623 GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT TRIGGER_SIGNIF: 4.6 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 16 DETECTORS: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:23:43 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 47 TRIGGER_NUM: 809666623 GRB_RA: 250.050d {+16h 40m 12s} (J2000), 250.458d {+16h 41m 50s} (current), 249.286d {+16h 37m 09s} (1950) GRB_DEC: -25.283d {-25d 16' 59"} (J2000), -25.333d {-25d 20' 00"} (current), -25.187d {-25d 11' 11"} (1950) GRB_ERROR: 25.17 [deg radius, statistical plus systematic] GRB_INTEN: 45 [cnts/sec] DATA_SIGNIF: 4.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 268.00 [deg] GRB_THETA: 50.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.58 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 65% GRB 2nd_MOST_LIKELY: 20% SGR_1806n20 DETECTORS: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 157.61d {+10h 30m 28s} +9.37d {+09d 22' 24"} SUN_DIST: 96.54 [deg] Sun_angle= -6.2 [hr] (East of Sun) MOON_POSTN: 347.82d {+23h 11m 17s} -3.61d {-03d 36' 35"} MOON_DIST: 95.09 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 354.48, 13.96 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 252.00, -3.08 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:23:52 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 66 TRIGGER_NUM: 809666623 GRB_RA: 29.033d {+01h 56m 08s} (J2000), 29.527d {+01h 58m 06s} (current), 28.116d {+01h 52m 28s} (1950) GRB_DEC: +64.433d {+64d 25' 60"} (J2000), +64.563d {+64d 33' 46"} (current), +64.189d {+64d 11' 20"} (1950) GRB_ERROR: 14.10 [deg radius, statistical plus systematic] GRB_INTEN: 140 [cnts/sec] DATA_SIGNIF: 6.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 160.00 [deg] GRB_THETA: 165.00 [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: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 157.61d {+10h 30m 28s} +9.37d {+09d 22' 24"} SUN_DIST: 96.57 [deg] Sun_angle= 8.5 [hr] (West of Sun) MOON_POSTN: 347.82d {+23h 11m 17s} -3.61d {-03d 36' 32"} MOON_DIST: 74.74 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 129.84, 2.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 55.60, 48.10 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:24:01 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 70 TRIGGER_NUM: 809666623 GRB_RA: 19.933d {+01h 19m 44s} (J2000), 20.478d {+01h 21m 55s} (current), 18.932d {+01h 15m 44s} (1950) GRB_DEC: +75.750d {+75d 45' 00"} (J2000), +75.889d {+75d 53' 21"} (current), +75.487d {+75d 29' 15"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 10.30 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 210.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.27 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 2% Solar Flare DETECTORS: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 157.61d {+10h 30m 28s} +9.37d {+09d 22' 24"} SUN_DIST: 91.05 [deg] Sun_angle= 9.1 [hr] (West of Sun) MOON_POSTN: 347.82d {+23h 11m 17s} -3.61d {-03d 36' 30"} MOON_DIST: 81.73 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 124.71, 12.98 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 63.42, 58.86 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:24:06 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 74 TRIGGER_NUM: 809666623 GRB_RA: 29.017d {+01h 56m 04s} (J2000), 29.513d {+01h 58m 03s} (current), 28.094d {+01h 52m 23s} (1950) GRB_DEC: +64.883d {+64d 52' 60"} (J2000), +65.013d {+65d 00' 46"} (current), +64.639d {+64d 38' 20"} (1950) GRB_ERROR: 8.45 [deg radius, statistical plus systematic] GRB_INTEN: 269 [cnts/sec] DATA_SIGNIF: 15.30 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 160.00 [deg] GRB_THETA: 165.00 [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: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 157.61d {+10h 30m 28s} +9.37d {+09d 22' 24"} SUN_DIST: 96.29 [deg] Sun_angle= 8.5 [hr] (West of Sun) MOON_POSTN: 347.82d {+23h 11m 17s} -3.61d {-03d 36' 29"} MOON_DIST: 75.06 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 129.72, 2.87 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 55.94, 48.49 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:24:15 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 94 TRIGGER_NUM: 809666623 GRB_RA: 29.000d {+01h 56m 00s} (J2000), 29.499d {+01h 58m 00s} (current), 28.073d {+01h 52m 18s} (1950) GRB_DEC: +65.217d {+65d 13' 00"} (J2000), +65.346d {+65d 20' 46"} (current), +64.972d {+64d 58' 20"} (1950) GRB_ERROR: 6.93 [deg radius, statistical plus systematic] GRB_INTEN: 423 [cnts/sec] DATA_SIGNIF: 21.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 160.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.16 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 2% Distant Particles DETECTORS: 0,0,0, 0,1,0, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 157.61d {+10h 30m 28s} +9.37d {+09d 22' 24"} SUN_DIST: 96.09 [deg] Sun_angle= 8.5 [hr] (West of Sun) MOON_POSTN: 347.82d {+23h 11m 18s} -3.61d {-03d 36' 26"} MOON_DIST: 75.30 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 129.63, 3.19 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 56.20, 48.78 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 265.22,-21.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 03:24:49 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 809666623 GRB_RA: 252.920d {+16h 51m 41s} (J2000), 253.375d {+16h 53m 30s} (current), 252.068d {+16h 48m 16s} (1950) GRB_DEC: -38.520d {-38d 31' 11"} (J2000), -38.563d {-38d 33' 46"} (current), -38.436d {-38d 26' 10"} (1950) GRB_ERROR: 42.95 [deg radius, statistical only] DATA_SIGNIF: 7.20 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 263.00 [deg] GRB_THETA: 37.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.62d {+10h 30m 28s} +9.37d {+09d 22' 23"} SUN_DIST: 100.31 [deg] Sun_angle= -6.4 [hr] (East of Sun) MOON_POSTN: 347.83d {+23h 11m 19s} -3.61d {-03d 36' 18"} MOON_DIST: 91.23 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 345.73, 3.64 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 256.18,-15.90 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809666623.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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: Sat 29 Aug 26 03:24:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 809666623 GRB_RA: 252.840d {+16h 51m 22s} (J2000), 253.299d {+16h 53m 12s} (current), 251.980d {+16h 47m 55s} (1950) GRB_DEC: -39.570d {-39d 34' 11"} (J2000), -39.613d {-39d 36' 47"} (current), -39.486d {-39d 29' 08"} (1950) GRB_ERROR: 4.57 [deg radius, statistical only] DATA_SIGNIF: 10.30 [sigma] DATA_INTERVAL: 14.336 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 263.00 [deg] GRB_THETA: 36.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.62d {+10h 30m 28s} +9.37d {+09d 22' 23"} SUN_DIST: 100.32 [deg] Sun_angle= -6.4 [hr] (East of Sun) MOON_POSTN: 347.83d {+23h 11m 19s} -3.60d {-03d 36' 15"} MOON_DIST: 91.18 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 344.87, 3.02 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 256.25,-16.95 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809666623.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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: Sat 29 Aug 26 03:25:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 809666623 GRB_RA: 253.500d {+16h 54m 00s} (J2000), 253.964d {+16h 55m 51s} (current), 252.631d {+16h 50m 31s} (1950) GRB_DEC: -40.670d {-40d 40' 11"} (J2000), -40.712d {-40d 42' 41"} (current), -40.589d {-40d 35' 19"} (1950) GRB_ERROR: 3.40 [deg radius, statistical only] DATA_SIGNIF: 12.60 [sigma] DATA_INTERVAL: 18.432 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 12218.10 SOD {03:23:38.10} UT GRB_PHI: 262.00 [deg] GRB_THETA: 35.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.62d {+10h 30m 28s} +9.37d {+09d 22' 23"} SUN_DIST: 100.89 [deg] Sun_angle= -6.4 [hr] (East of Sun) MOON_POSTN: 347.83d {+23h 11m 19s} -3.60d {-03d 36' 13"} MOON_DIST: 90.57 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 344.34, 1.94 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 256.91,-17.98 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829141/quicklook/glg_lc_medres34_bn260829141.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809666623.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. 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.