////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 19:50:37 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 780609036 GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT TRIGGER_SIGNIF: 5.5 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 5 DETECTORS: 0,0,0, 0,0,0, 1,1,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 194.60,-25.43 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 19:50:59 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 49 TRIGGER_NUM: 780609036 GRB_RA: 50.283d {+03h 21m 08s} (J2000), 50.199d {+03h 20m 48s} (current), 50.457d {+03h 21m 50s} (1950) GRB_DEC: -75.167d {-75d 10' 00"} (J2000), -75.075d {-75d 04' 29"} (current), -75.344d {-75d 20' 38"} (1950) GRB_ERROR: 17.60 [deg radius, statistical plus systematic] GRB_INTEN: 76 [cnts/sec] DATA_SIGNIF: 7.40 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 180.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 1.71 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 48% Distant Particles 2nd_MOST_LIKELY: 44% GRB DETECTORS: 0,0,0, 0,0,0, 1,1,1, 0,0,0, 0,0, SUN_POSTN: 183.65d {+12h 14m 36s} -1.58d {-01d 34' 46"} SUN_DIST: 98.65 [deg] Sun_angle= 8.9 [hr] (West of Sun) MOON_POSTN: 235.82d {+15h 43m 17s} -24.85d {-24d 51' 16"} MOON_DIST: 80.00 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 291.47,-38.44 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 308.75,-74.85 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 194.60,-25.43 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 19:51:09 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 60 TRIGGER_NUM: 780609036 GRB_RA: 10.283d {+00h 41m 08s} (J2000), 10.421d {+00h 41m 41s} (current), 10.019d {+00h 40m 05s} (1950) GRB_DEC: -82.433d {-82d 25' 59"} (J2000), -82.292d {-82d 17' 31"} (current), -82.707d {-82d 42' 25"} (1950) GRB_ERROR: 10.90 [deg radius, statistical plus systematic] GRB_INTEN: 114 [cnts/sec] DATA_SIGNIF: 11.00 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 210.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 2.20 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 56% GRB 2nd_MOST_LIKELY: 26% Distant Particles DETECTORS: 0,0,0, 0,0,0, 1,1,1, 0,0,0, 0,0, SUN_POSTN: 183.65d {+12h 14m 36s} -1.58d {-01d 34' 46"} SUN_DIST: 96.07 [deg] Sun_angle= 11.5 [hr] (West of Sun) MOON_POSTN: 235.82d {+15h 43m 18s} -24.85d {-24d 51' 17"} MOON_DIST: 70.67 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 303.34,-34.69 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 289.17,-66.76 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 194.60,-25.43 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 19:51:18 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 59 TRIGGER_NUM: 780609036 GRB_RA: 27.750d {+01h 51m 00s} (J2000), 27.631d {+01h 50m 31s} (current), 28.007d {+01h 52m 02s} (1950) GRB_DEC: -81.630d {-81d 37' 47"} (J2000), -81.503d {-81d 30' 10"} (current), -81.876d {-81d 52' 33"} (1950) GRB_ERROR: 4.87 [deg radius, statistical only] DATA_SIGNIF: 14.70 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 203.00 [deg] GRB_THETA: 19.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 183.65d {+12h 14m 36s} -1.58d {-01d 34' 46"} SUN_DIST: 96.18 [deg] Sun_angle= 10.4 [hr] (West of Sun) MOON_POSTN: 235.83d {+15h 43m 18s} -24.86d {-24d 51' 18"} MOON_DIST: 72.69 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 300.31,-35.19 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 291.24,-69.17 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780609036.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. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 19:51:59 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 780609036 GRB_RA: 25.500d {+01h 42m 00s} (J2000), 25.303d {+01h 41m 13s} (current), 25.925d {+01h 43m 42s} (1950) GRB_DEC: -83.410d {-83d 24' 35"} (J2000), -83.281d {-83d 16' 49"} (current), -83.661d {-83d 39' 38"} (1950) GRB_ERROR: 3.80 [deg radius, statistical only] DATA_SIGNIF: 15.90 [sigma] DATA_INTERVAL: 10.240 [sec] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 208.00 [deg] GRB_THETA: 18.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 183.65d {+12h 14m 36s} -1.58d {-01d 34' 47"} SUN_DIST: 94.66 [deg] Sun_angle= 10.6 [hr] (West of Sun) MOON_POSTN: 235.83d {+15h 43m 19s} -24.86d {-24d 51' 23"} MOON_DIST: 70.97 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 301.21,-33.55 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 286.49,-68.60 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780609036.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: Fri 26 Sep 25 19:52:29 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 780609036 GRB_RA: 12.310d {+00h 49m 14s} (J2000), 12.307d {+00h 49m 14s} (current), 12.344d {+00h 49m 22s} (1950) GRB_DEC: -84.830d {-84d 49' 47"} (J2000), -84.690d {-84d 41' 23"} (current), -85.102d {-85d 06' 06"} (1950) GRB_ERROR: 2.82 [deg radius, statistical only] DATA_SIGNIF: 18.50 [sigma] DATA_INTERVAL: 15.360 [sec] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 214.00 [deg] GRB_THETA: 18.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 183.65d {+12h 14m 36s} -1.58d {-01d 34' 47"} SUN_DIST: 93.67 [deg] Sun_angle= 11.4 [hr] (West of Sun) MOON_POSTN: 235.84d {+15h 43m 21s} -24.86d {-24d 51' 27"} MOON_DIST: 69.04 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 302.99,-32.30 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 283.09,-67.13 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_780609036.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: Fri 26 Sep 25 19:59:51 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 780609036 GRB_RA: 291.660d {+19h 26m 38s} (J2000), 292.818d {+19h 31m 16s} (current), 289.377d {+19h 17m 31s} (1950) GRB_DEC: -80.930d {-80d 55' 47"} (J2000), -80.876d {-80d 52' 32"} (current), -81.028d {-81d 01' 38"} (1950) GRB_ERROR: 7.60 [deg radius, statistical only] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 237.00 [deg] GRB_THETA: 23.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 183.65d {+12h 14m 37s} -1.58d {-01d 34' 54"} SUN_DIST: 91.42 [deg] Sun_angle= -7.3 [hr] (East of Sun) MOON_POSTN: 235.90d {+15h 43m 36s} -24.87d {-24d 52' 22"} MOON_DIST: 60.41 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 313.11,-28.15 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 276.30,-57.97 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_locplot_all_bn250926827.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 Long GRB. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Fri 26 Sep 25 20:36:37 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 780609036 GRB_RA: 13.640d {+00h 54m 34s} (J2000), 13.476d {+00h 53m 54s} (current), 14.031d {+00h 56m 08s} (1950) GRB_DEC: -86.180d {-86d 10' 47"} (J2000), -86.041d {-86d 02' 25"} (current), -86.450d {-86d 27' 00"} (1950) GRB_ERROR: 3.86 [deg radius, statistical only] GRB_DATE: 20944 TJD; 269 DOY; 25/09/26 GRB_TIME: 71431.07 SOD {19:50:31.07} UT GRB_PHI: 217.41 [deg] GRB_THETA: 16.93 [deg] E_RANGE: 50.000 - 300.000 [keV] LOC_ALGORITHM: 415 (Gnd S/W Version number) SUN_POSTN: 183.68d {+12h 14m 42s} -1.59d {-01d 35' 30"} SUN_DIST: 92.31 [deg] Sun_angle= 11.3 [hr] (West of Sun) MOON_POSTN: 236.22d {+15h 44m 53s} -24.95d {-24d 56' 54"} MOON_DIST: 67.99 [deg] MOON_ILLUM: 22 [%] GAL_COORDS: 302.87,-30.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 279.61,-67.17 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_lc_medres34_bn250926827.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250926827/quicklook/glg_locplot_all_bn250926827.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 has human-in-the-loop processing.