////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 29 Aug 26 06:42:24 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 809678548 GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT TRIGGER_SIGNIF: 5.0 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:42:26 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 43 TRIGGER_NUM: 809678548 GRB_RA: 42.900d {+02h 51m 36s} (J2000), 43.064d {+02h 52m 15s} (current), 42.594d {+02h 50m 22s} (1950) GRB_DEC: -60.400d {-60d 23' 59"} (J2000), -60.291d {-60d 17' 28"} (current), -60.604d {-60d 36' 15"} (1950) GRB_ERROR: 19.37 [deg radius, statistical plus systematic] GRB_INTEN: 63 [cnts/sec] DATA_SIGNIF: 4.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 108.00 [deg] GRB_THETA: 25.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 3.30 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 63% GRB 2nd_MOST_LIKELY: 35% Generic SGR DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 28"} SUN_DIST: 110.18 [deg] Sun_angle= 7.6 [hr] (West of Sun) MOON_POSTN: 349.41d {+23h 17m 39s} -2.76d {-02d 45' 43"} MOON_DIST: 70.41 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 279.80,-50.99 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 354.10,-68.67 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:42:37 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 66 TRIGGER_NUM: 809678548 GRB_RA: 248.767d {+16h 35m 04s} (J2000), 248.468d {+16h 33m 52s} (current), 249.339d {+16h 37m 21s} (1950) GRB_DEC: +77.850d {+77d 50' 60"} (J2000), +77.796d {+77d 47' 45"} (current), +77.950d {+77d 56' 58"} (1950) GRB_ERROR: 50.00 [deg radius, statistical plus systematic] GRB_INTEN: 0 [cnts/sec] DATA_SIGNIF: 7.10 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 240.00 [deg] GRB_THETA: 170.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 28"} SUN_DIST: 81.04 [deg] Sun_angle= -6.0 [hr] (East of Sun) MOON_POSTN: 349.41d {+23h 17m 39s} -2.76d {-02d 45' 40"} MOON_DIST: 95.00 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 110.88, 33.42 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 110.05, 77.15 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:43:02 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 89 TRIGGER_NUM: 809678548 GRB_RA: 273.750d {+18h 15m 00s} (J2000), 273.549d {+18h 14m 12s} (current), 274.125d {+18h 16m 30s} (1950) GRB_DEC: +74.717d {+74d 43' 00"} (J2000), +74.726d {+74d 43' 34"} (current), +74.698d {+74d 41' 51"} (1950) GRB_ERROR: 7.87 [deg radius, statistical plus systematic] GRB_INTEN: 156 [cnts/sec] DATA_SIGNIF: 10.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 220.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 4.83 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 53% GRB 2nd_MOST_LIKELY: 46% Generic SGR DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 27"} SUN_DIST: 87.53 [deg] Sun_angle= -7.7 [hr] (East of Sun) MOON_POSTN: 349.42d {+23h 17m 40s} -2.76d {-02d 45' 34"} MOON_DIST: 88.98 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 105.71, 28.49 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 83.10, 81.75 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:43:33 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 93 TRIGGER_NUM: 809678548 GRB_RA: 272.800d {+18h 11m 12s} (J2000), 272.616d {+18h 10m 28s} (current), 273.145d {+18h 12m 35s} (1950) GRB_DEC: +74.250d {+74d 15' 00"} (J2000), +74.257d {+74d 15' 25"} (current), +74.236d {+74d 14' 08"} (1950) GRB_ERROR: 7.88 [deg radius, statistical plus systematic] GRB_INTEN: 244 [cnts/sec] DATA_SIGNIF: 14.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 220.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 6.50 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 53% GRB 2nd_MOST_LIKELY: 46% Generic SGR DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 27"} SUN_DIST: 87.52 [deg] Sun_angle= -7.7 [hr] (East of Sun) MOON_POSTN: 349.42d {+23h 17m 41s} -2.76d {-02d 45' 26"} MOON_DIST: 89.11 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 105.18, 28.75 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 84.35, 82.26 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:43:44 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 95 TRIGGER_NUM: 809678548 GRB_RA: 272.133d {+18h 08m 32s} (J2000), 271.961d {+18h 07m 51s} (current), 272.455d {+18h 09m 49s} (1950) GRB_DEC: +73.883d {+73d 52' 60"} (J2000), +73.889d {+73d 53' 19"} (current), +73.872d {+73d 52' 20"} (1950) GRB_ERROR: 5.82 [deg radius, statistical plus systematic] GRB_INTEN: 342 [cnts/sec] DATA_SIGNIF: 21.50 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 220.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 6.02 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 53% GRB 2nd_MOST_LIKELY: 46% Generic SGR DETECTORS: 0,1,0, 0,0,0, 0,0,0, 1,0,0, 0,0, SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 27"} SUN_DIST: 87.52 [deg] Sun_angle= -7.6 [hr] (East of Sun) MOON_POSTN: 349.42d {+23h 17m 42s} -2.76d {-02d 45' 23"} MOON_DIST: 89.20 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 104.77, 28.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 85.37, 82.64 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 256.82,-25.45 [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 06:43:57 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 809678548 GRB_RA: 27.020d {+01h 48m 05s} (J2000), 27.219d {+01h 48m 53s} (current), 26.646d {+01h 46m 35s} (1950) GRB_DEC: -64.620d {-64d 37' 11"} (J2000), -64.488d {-64d 29' 15"} (current), -64.868d {-64d 52' 05"} (1950) GRB_ERROR: 5.90 [deg radius, statistical only] DATA_SIGNIF: 6.70 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 126.00 [deg] GRB_THETA: 20.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 26"} SUN_DIST: 114.98 [deg] Sun_angle= 8.7 [hr] (West of Sun) MOON_POSTN: 349.42d {+23h 17m 42s} -2.76d {-02d 45' 20"} MOON_DIST: 67.46 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 293.25,-51.43 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 334.67,-65.01 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809678548.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 06:44:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 809678548 GRB_RA: 29.480d {+01h 57m 55s} (J2000), 29.667d {+01h 58m 40s} (current), 29.129d {+01h 56m 31s} (1950) GRB_DEC: -64.650d {-64d 39' 00"} (J2000), -64.521d {-64d 31' 14"} (current), -64.893d {-64d 53' 33"} (1950) GRB_ERROR: 2.75 [deg radius, statistical only] DATA_SIGNIF: 8.30 [sigma] DATA_INTERVAL: 14.336 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 123.00 [deg] GRB_THETA: 20.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 26"} SUN_DIST: 114.08 [deg] Sun_angle= 8.5 [hr] (West of Sun) MOON_POSTN: 349.43d {+23h 17m 42s} -2.75d {-02d 45' 17"} MOON_DIST: 68.20 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 291.71,-51.01 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 335.97,-65.92 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809678548.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 06:44:23 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 809678548 GRB_RA: 31.950d {+02h 07m 48s} (J2000), 32.126d {+02h 08m 30s} (current), 31.621d {+02h 06m 29s} (1950) GRB_DEC: -64.680d {-64d 40' 47"} (J2000), -64.554d {-64d 33' 14"} (current), -64.917d {-64d 54' 59"} (1950) GRB_ERROR: 2.28 [deg radius, statistical only] DATA_SIGNIF: 10.20 [sigma] DATA_INTERVAL: 19.456 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 120.00 [deg] GRB_THETA: 20.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 26"} SUN_DIST: 113.15 [deg] Sun_angle= 8.4 [hr] (West of Sun) MOON_POSTN: 349.43d {+23h 17m 43s} -2.75d {-02d 45' 13"} MOON_DIST: 68.97 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 290.22,-50.52 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 337.28,-66.83 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809678548.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 06:44:32 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 809678548 GRB_RA: 31.990d {+02h 07m 58s} (J2000), 32.166d {+02h 08m 40s} (current), 31.661d {+02h 06m 39s} (1950) GRB_DEC: -64.640d {-64d 38' 23"} (J2000), -64.514d {-64d 30' 50"} (current), -64.877d {-64d 52' 35"} (1950) GRB_ERROR: 2.18 [deg radius, statistical only] DATA_SIGNIF: 11.50 [sigma] DATA_INTERVAL: 21.504 [sec] GRB_DATE: 21281 TJD; 241 DOY; 26/08/29 GRB_TIME: 24143.21 SOD {06:42:23.21} UT GRB_PHI: 120.00 [deg] GRB_THETA: 20.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 157.74d {+10h 30m 58s} +9.32d {+09d 19' 26"} SUN_DIST: 113.16 [deg] Sun_angle= 8.4 [hr] (West of Sun) MOON_POSTN: 349.43d {+23h 17m 43s} -2.75d {-02d 45' 11"} MOON_DIST: 68.96 [deg] MOON_ILLUM: 99 [%] GAL_COORDS: 290.17,-50.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 337.39,-66.83 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260829279/quicklook/glg_lc_medres34_bn260829279.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_809678548.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.