////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 17 Sep 25 06:27:50 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 779783269 GRB_DATE: 20935 TJD; 260 DOY; 25/09/17 GRB_TIME: 23264.33 SOD {06:27:44.33} UT TRIGGER_SIGNIF: 11.3 [sigma] TRIGGER_DUR: 0.016 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 1 DETECTORS: 0,0,0, 0,0,0, 1,0,0, 1,1,1, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_lc_medres34_bn250917269.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 200.08,-1.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 17 Sep 25 06:28:13 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 779783269 GRB_RA: 273.733d {+18h 14m 56s} (J2000), 273.985d {+18h 15m 57s} (current), 273.243d {+18h 12m 58s} (1950) GRB_DEC: +28.417d {+28d 25' 00"} (J2000), +28.426d {+28d 25' 35"} (current), +28.400d {+28d 23' 59"} (1950) GRB_ERROR: 6.23 [deg radius, statistical plus systematic] GRB_INTEN: 2192 [cnts/sec] DATA_SIGNIF: 17.30 [sigma] INTEG_TIME: 0.032 [sec] GRB_DATE: 20935 TJD; 260 DOY; 25/09/17 GRB_TIME: 23264.33 SOD {06:27:44.33} UT GRB_PHI: 120.00 [deg] GRB_THETA: 25.00 [deg] DATA_TIME_SCALE: 0.0320 [sec] HARD_RATIO: 0.50 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 85% GRB 2nd_MOST_LIKELY: 11% Cyg X-1 DETECTORS: 0,0,0, 0,0,0, 1,0,0, 1,1,1, 0,0, SUN_POSTN: 175.07d {+11h 40m 16s} +2.13d {+02d 08' 04"} SUN_DIST: 96.81 [deg] Sun_angle= -6.6 [hr] (East of Sun) MOON_POSTN: 123.75d {+08h 15m 01s} +23.87d {+23d 52' 14"} MOON_DIST: 120.36 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 55.44, 19.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 275.31, 51.79 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_lc_medres34_bn250917269.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 200.08,-1.40 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(0.0<100sec) coincident with the SWIFT_BAT event (trignum=1350381). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 17 Sep 25 06:28:34 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 779783269 GRB_RA: 286.650d {+19h 06m 36s} (J2000), 286.936d {+19h 07m 45s} (current), 286.094d {+19h 04m 23s} (1950) GRB_DEC: +17.580d {+17d 34' 48"} (J2000), +17.621d {+17d 37' 17"} (current), +17.502d {+17d 30' 05"} (1950) GRB_ERROR: 13.20 [deg radius, statistical only] DATA_SIGNIF: 25.70 [sigma] DATA_INTERVAL: 0.032 [sec] GRB_DATE: 20935 TJD; 260 DOY; 25/09/17 GRB_TIME: 23264.33 SOD {06:27:44.33} UT GRB_PHI: 131.00 [deg] GRB_THETA: 40.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 175.07d {+11h 40m 16s} +2.13d {+02d 08' 04"} SUN_DIST: 110.09 [deg] Sun_angle= -7.5 [hr] (East of Sun) MOON_POSTN: 123.76d {+08h 15m 02s} +23.87d {+23d 52' 10"} MOON_DIST: 135.38 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 50.30, 4.68 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 290.83, 39.82 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_lc_medres34_bn250917269.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_779783269.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(0.0<100sec) coincident with the SWIFT_BAT event (trignum=1350381). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 17 Sep 25 06:29:41 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 779783269 GRB_RA: 267.730d {+17h 50m 55s} (J2000), 267.981d {+17h 51m 56s} (current), 267.241d {+17h 48m 58s} (1950) GRB_DEC: +28.620d {+28d 37' 12"} (J2000), +28.615d {+28d 36' 53"} (current), +28.632d {+28d 37' 56"} (1950) GRB_ERROR: 5.32 [deg radius, statistical only] DATA_SIGNIF: 5.10 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20935 TJD; 260 DOY; 25/09/17 GRB_TIME: 23264.33 SOD {06:27:44.33} UT GRB_PHI: 108.00 [deg] GRB_THETA: 23.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 175.07d {+11h 40m 16s} +2.13d {+02d 08' 02"} SUN_DIST: 91.53 [deg] Sun_angle= -6.2 [hr] (East of Sun) MOON_POSTN: 123.77d {+08h 15m 04s} +23.87d {+23d 51' 60"} MOON_DIST: 117.22 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 53.73, 24.98 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 266.76, 52.03 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_lc_medres34_bn250917269.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_779783269.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(0.0<100sec) coincident with the SWIFT_BAT event (trignum=1350381). ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 17 Sep 25 06:36:53 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 779783269 GRB_RA: 275.030d {+18h 20m 07s} (J2000), 275.281d {+18h 21m 07s} (current), 274.543d {+18h 18m 10s} (1950) GRB_DEC: +28.950d {+28d 56' 60"} (J2000), +28.963d {+28d 57' 46"} (current), +28.927d {+28d 55' 36"} (1950) GRB_ERROR: 6.25 [deg radius, statistical only] GRB_DATE: 20935 TJD; 260 DOY; 25/09/17 GRB_TIME: 23264.33 SOD {06:27:44.33} UT GRB_PHI: 123.00 [deg] GRB_THETA: 25.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 175.07d {+11h 40m 17s} +2.13d {+02d 07' 56"} SUN_DIST: 97.87 [deg] Sun_angle= -6.7 [hr] (East of Sun) MOON_POSTN: 123.84d {+08h 15m 21s} +23.85d {+23d 50' 52"} MOON_DIST: 120.47 [deg] MOON_ILLUM: 21 [%] GAL_COORDS: 56.40, 19.07 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 277.20, 52.26 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_lc_medres34_bn250917269.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250917269/quicklook/glg_locplot_all_bn250917269.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: In the LAT Field-of-view. COMMENTS: This is likely a Short GRB. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(0.0<100sec) coincident with the SWIFT_BAT event (trignum=1350381).