////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Jun 26 16:55:10 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 803494509 GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT TRIGGER_SIGNIF: 5.4 [sigma] TRIGGER_DUR: 0.256 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 8 DETECTORS: 0,0,0, 0,0,0, 1,1,0, 1,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 228.13,-7.30 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Jun 26 16:55:33 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 48 TRIGGER_NUM: 803494509 GRB_RA: 334.617d {+22h 18m 28s} (J2000), 335.008d {+22h 20m 02s} (current), 333.875d {+22h 15m 30s} (1950) GRB_DEC: -39.867d {-39d 52' 00"} (J2000), -39.733d {-39d 44' 00"} (current), -40.117d {-40d 07' 02"} (1950) GRB_ERROR: 12.22 [deg radius, statistical plus systematic] GRB_INTEN: 178 [cnts/sec] DATA_SIGNIF: 13.80 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 170.00 [deg] GRB_THETA: 30.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 0.23 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 97% GRB 2nd_MOST_LIKELY: 1% Generic Transient DETECTORS: 0,0,0, 0,0,0, 1,1,0, 1,0,0, 0,0, SUN_POSTN: 87.25d {+05h 49m 00s} +23.41d {+23d 24' 40"} SUN_DIST: 121.41 [deg] Sun_angle= 7.5 [hr] (West of Sun) MOON_POSTN: 140.31d {+09h 21m 14s} +16.93d {+16d 56' 03"} MOON_DIST: 153.87 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 1.04,-55.97 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 321.23,-27.21 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 228.13,-7.30 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Jun 26 16:55:43 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 59 TRIGGER_NUM: 803494509 GRB_RA: 327.667d {+21h 50m 40s} (J2000), 328.107d {+21h 52m 26s} (current), 326.830d {+21h 47m 19s} (1950) GRB_DEC: -52.417d {-52d 25' 00"} (J2000), -52.292d {-52d 17' 30"} (current), -52.651d {-52d 39' 02"} (1950) GRB_ERROR: 7.55 [deg radius, statistical plus systematic] GRB_INTEN: 287 [cnts/sec] DATA_SIGNIF: 29.60 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 193.00 [deg] GRB_THETA: 35.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.31 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 3% Generic Transient DETECTORS: 0,0,0, 0,0,0, 1,1,0, 1,0,0, 0,0, SUN_POSTN: 87.25d {+05h 49m 00s} +23.41d {+23d 24' 40"} SUN_DIST: 125.99 [deg] Sun_angle= 7.9 [hr] (West of Sun) MOON_POSTN: 140.31d {+09h 21m 15s} +16.93d {+16d 56' 01"} MOON_DIST: 144.11 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 343.28,-48.06 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 309.98,-36.68 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 228.13,-7.30 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Jun 26 16:55:52 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 803494509 GRB_RA: 353.460d {+23h 33m 50s} (J2000), 353.816d {+23h 35m 16s} (current), 352.785d {+23h 31m 08s} (1950) GRB_DEC: -45.620d {-45d 37' 11"} (J2000), -45.474d {-45d 28' 24"} (current), -45.896d {-45d 53' 46"} (1950) GRB_ERROR: 2.22 [deg radius, statistical only] DATA_SIGNIF: 30.10 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 189.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 87.25d {+05h 49m 00s} +23.41d {+23d 24' 40"} SUN_DIST: 108.77 [deg] Sun_angle= 6.2 [hr] (West of Sun) MOON_POSTN: 140.31d {+09h 21m 15s} +16.93d {+16d 55' 59"} MOON_DIST: 140.09 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 337.65,-65.93 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 332.78,-38.61 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_803494509.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: Bright hard burst in the GBM. 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: Thu 18 Jun 26 16:56:36 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 803494509 GRB_RA: 352.840d {+23h 31m 22s} (J2000), 353.197d {+23h 32m 47s} (current), 352.164d {+23h 28m 39s} (1950) GRB_DEC: -44.450d {-44d 27' 00"} (J2000), -44.304d {-44d 18' 13"} (current), -44.726d {-44d 43' 33"} (1950) GRB_ERROR: 2.01 [deg radius, statistical only] DATA_SIGNIF: 35.50 [sigma] DATA_INTERVAL: 5.120 [sec] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 185.00 [deg] GRB_THETA: 17.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 87.25d {+05h 49m 00s} +23.41d {+23d 24' 40"} SUN_DIST: 108.90 [deg] Sun_angle= 6.3 [hr] (West of Sun) MOON_POSTN: 140.32d {+09h 21m 17s} +16.93d {+16d 55' 49"} MOON_DIST: 141.11 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 340.53,-66.39 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 333.05,-37.38 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_803494509.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: Bright hard burst in the GBM. 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: Thu 18 Jun 26 16:56:55 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 803494509 GRB_RA: 350.650d {+23h 22m 36s} (J2000), 351.014d {+23h 24m 03s} (current), 349.960d {+23h 19m 50s} (1950) GRB_DEC: -46.280d {-46d 16' 47"} (J2000), -46.135d {-46d 08' 03"} (current), -46.554d {-46d 33' 15"} (1950) GRB_ERROR: 1.42 [deg radius, statistical only] DATA_SIGNIF: 32.90 [sigma] DATA_INTERVAL: 13.312 [sec] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 188.00 [deg] GRB_THETA: 19.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 87.25d {+05h 49m 00s} +23.41d {+23d 24' 40"} SUN_DIST: 110.83 [deg] Sun_angle= 6.4 [hr] (West of Sun) MOON_POSTN: 140.32d {+09h 21m 17s} +16.93d {+16d 55' 44"} MOON_DIST: 141.26 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 339.56,-64.03 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 330.20,-38.20 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_803494509.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. COMMENTS: In the LAT Field-of-view. COMMENTS: Bright hard burst in the GBM. 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: Thu 18 Jun 26 17:04:23 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 803494509 GRB_RA: 351.150d {+23h 24m 36s} (J2000), 351.511d {+23h 26m 03s} (current), 350.466d {+23h 21m 52s} (1950) GRB_DEC: -44.100d {-44d 06' 00"} (J2000), -43.954d {-43d 57' 15"} (current), -44.375d {-44d 22' 28"} (1950) GRB_ERROR: 1.79 [deg radius, statistical only] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT GRB_PHI: 182.00 [deg] GRB_THETA: 18.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 87.26d {+05h 49m 01s} +23.41d {+23d 24' 40"} SUN_DIST: 109.99 [deg] Sun_angle= 6.4 [hr] (West of Sun) MOON_POSTN: 140.39d {+09h 21m 34s} +16.90d {+16d 54' 02"} MOON_DIST: 142.32 [deg] MOON_ILLUM: 18 [%] GAL_COORDS: 343.06,-65.66 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 331.94,-36.48 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_lc_medres34_bn260618705.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260618705/quicklook/glg_locplot_all_bn260618705.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: Bright hard burst in the GBM. COMMENTS: This is likely a Long GRB. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Thu 18 Jun 26 21:30:38 UT NOTICE_TYPE: Fermi-LAT Offline Position TRIGGER_NUM: 803494509 GRB_RA: 354.350d {+23h 37m 24s} (J2000), 354.703d {+23h 38m 49s} (current), 353.680d {+23h 34m 43s} (1950) GRB_DEC: -44.880d {-44d 52' 47"} (J2000), -44.733d {-44d 44' 00"} (current), -45.157d {-45d 09' 24"} (1950) GRB_ERROR: 6.00 [arcmin radius, 90% containment, statistical only] GRB_DATE: 21209 TJD; 169 DOY; 26/06/18 GRB_TIME: 60904.71 SOD {16:55:04.71} UT TRIGGER_ID: 0x0 MISC: 0x40000000 SUN_POSTN: 87.45d {+05h 49m 47s} +23.41d {+23d 24' 52"} SUN_DIST: 108.11 [deg] Sun_angle= 6.2 [hr] (West of Sun) MOON_POSTN: 142.92d {+09h 31m 41s} +15.87d {+15d 52' 12"} MOON_DIST: 140.65 [deg] MOON_ILLUM: 20 [%] GAL_COORDS: 337.90,-66.89 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 333.95,-38.29 [deg] ecliptic lon,lat of the burst (or transient) COMMENTS: Fermi LAT Offline position. COMMENTS: This Notice was ground-generated -- not flight-generated. COMMENTS: It is the result of human-in-the-loop processing. COMMENTS: This is a human generated position of LAT ground detection of GRB 260618B. COMMENTS: This source corresponds to GBM trigger.