////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Oct 25 03:12:02 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 782449925 GRB_DATE: 20966 TJD; 291 DOY; 25/10/18 GRB_TIME: 11520.63 SOD {03:12:00.63} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 4.096 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 17 DETECTORS: 0,0,0, 1,0,0, 0,1,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_lc_medres34_bn251018133.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 263.02,-24.95 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Oct 25 03:12:04 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 782449925 GRB_RA: 295.133d {+19h 40m 32s} (J2000), 295.558d {+19h 42m 14s} (current), 294.308d {+19h 37m 14s} (1950) GRB_DEC: -36.117d {-36d 07' 00"} (J2000), -36.055d {-36d 03' 18"} (current), -36.233d {-36d 13' 58"} (1950) GRB_ERROR: 19.32 [deg radius, statistical plus systematic] GRB_INTEN: 116 [cnts/sec] DATA_SIGNIF: 5.40 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 20966 TJD; 291 DOY; 25/10/18 GRB_TIME: 11520.63 SOD {03:12:00.63} UT GRB_PHI: 274.00 [deg] GRB_THETA: 40.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: -0.07 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 3% SGR_1806n20 DETECTORS: 0,0,0, 1,0,0, 0,1,0, 0,0,0, 0,0, SUN_POSTN: 203.16d {+13h 32m 39s} -9.68d {-09d 40' 30"} SUN_DIST: 86.24 [deg] Sun_angle= -6.2 [hr] (East of Sun) MOON_POSTN: 168.34d {+11h 13m 21s} +5.07d {+05d 03' 60"} MOON_DIST: 122.62 [deg] MOON_ILLUM: 11 [%] GAL_COORDS: 3.45,-24.94 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 290.75,-14.47 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_lc_medres34_bn251018133.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 263.02,-24.95 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Oct 25 03:12:12 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 782449925 GRB_RA: 291.233d {+19h 24m 56s} (J2000), 291.684d {+19h 26m 44s} (current), 290.358d {+19h 21m 26s} (1950) GRB_DEC: -41.983d {-41d 58' 59"} (J2000), -41.931d {-41d 55' 50"} (current), -42.082d {-42d 04' 55"} (1950) GRB_ERROR: 12.27 [deg radius, statistical plus systematic] GRB_INTEN: 113 [cnts/sec] DATA_SIGNIF: 10.80 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20966 TJD; 291 DOY; 25/10/18 GRB_TIME: 11520.63 SOD {03:12:00.63} UT GRB_PHI: 281.00 [deg] GRB_THETA: 35.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.44 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 94% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 1,0,0, 0,1,0, 0,0,0, 0,0, SUN_POSTN: 203.16d {+13h 32m 39s} -9.68d {-09d 40' 30"} SUN_DIST: 82.46 [deg] Sun_angle= -5.9 [hr] (East of Sun) MOON_POSTN: 168.34d {+11h 13m 21s} +5.07d {+05d 03' 58"} MOON_DIST: 117.80 [deg] MOON_ILLUM: 11 [%] GAL_COORDS: 356.34,-23.66 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 286.62,-19.76 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_lc_medres34_bn251018133.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 263.02,-24.95 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 18 Oct 25 03:12:19 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 782449925 GRB_RA: 290.660d {+19h 22m 38s} (J2000), 291.071d {+19h 24m 17s} (current), 289.863d {+19h 19m 27s} (1950) GRB_DEC: -30.840d {-30d 50' 23"} (J2000), -30.789d {-30d 47' 19"} (current), -30.936d {-30d 56' 10"} (1950) GRB_ERROR: 3.54 [deg radius, statistical only] DATA_SIGNIF: 11.20 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20966 TJD; 291 DOY; 25/10/18 GRB_TIME: 11520.63 SOD {03:12:00.63} UT GRB_PHI: 278.00 [deg] GRB_THETA: 46.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 203.16d {+13h 32m 39s} -9.68d {-09d 40' 30"} SUN_DIST: 83.29 [deg] Sun_angle= -5.9 [hr] (East of Sun) MOON_POSTN: 168.34d {+11h 13m 21s} +5.07d {+05d 03' 56"} MOON_DIST: 120.52 [deg] MOON_ILLUM: 11 [%] GAL_COORDS: 7.58,-19.72 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 287.84, -8.67 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_lc_medres34_bn251018133.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_782449925.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: Sat 18 Oct 25 03:18:16 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 782449925 GRB_RA: 294.670d {+19h 38m 41s} (J2000), 295.111d {+19h 40m 27s} (current), 293.813d {+19h 35m 15s} (1950) GRB_DEC: -40.350d {-40d 21' 00"} (J2000), -40.290d {-40d 17' 21"} (current), -40.464d {-40d 27' 51"} (1950) GRB_ERROR: 6.81 [deg radius, statistical only] GRB_DATE: 20966 TJD; 291 DOY; 25/10/18 GRB_TIME: 11520.63 SOD {03:12:00.63} UT GRB_PHI: 276.00 [deg] GRB_THETA: 36.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 203.17d {+13h 32m 40s} -9.68d {-09d 40' 35"} SUN_DIST: 85.23 [deg] Sun_angle= -6.1 [hr] (East of Sun) MOON_POSTN: 168.38d {+11h 13m 32s} +5.04d {+05d 02' 29"} MOON_DIST: 120.74 [deg] MOON_ILLUM: 10 [%] GAL_COORDS: 358.83,-25.73 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 289.61,-18.58 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_lc_medres34_bn251018133.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn251018133/quicklook/glg_locplot_all_bn251018133.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. COMMENTS: COMMENTS: NOTE: This GBM event is temporally(2.0<100sec) coincident with the SWIFT_BAT event (trignum=1405083).