////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 May 25 04:27:07 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 769494427 GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT TRIGGER_SIGNIF: 4.9 [sigma] TRIGGER_DUR: 1.024 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 12 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/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 258.88,7.23 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 May 25 04:27:31 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 769494427 GRB_RA: 350.433d {+23h 21m 44s} (J2000), 350.730d {+23h 22m 55s} (current), 349.850d {+23h 19m 24s} (1950) GRB_DEC: +50.583d {+50d 34' 60"} (J2000), +50.723d {+50d 43' 22"} (current), +50.309d {+50d 18' 32"} (1950) GRB_ERROR: 8.20 [deg radius, statistical plus systematic] GRB_INTEN: 602 [cnts/sec] DATA_SIGNIF: 12.30 [sigma] INTEG_TIME: 0.512 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 240.00 [deg] GRB_THETA: 165.00 [deg] DATA_TIME_SCALE: 0.5120 [sec] HARD_RATIO: 0.00 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 100% Below horizon 2nd_MOST_LIKELY: 0% n/a DETECTORS: 0,0,0, 0,0,0, 1,1,1, 0,0,0, 0,0, SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 45"} SUN_DIST: 60.33 [deg] Sun_angle= 4.5 [hr] (West of Sun) MOON_POSTN: 341.03d {+22h 44m 06s} -9.41d {-09d 24' 31"} MOON_DIST: 60.72 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 108.70, -9.79 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 18.58, 48.66 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 258.88,7.23 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 May 25 04:27:40 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 58 TRIGGER_NUM: 769494427 GRB_RA: 187.250d {+12h 29m 00s} (J2000), 187.575d {+12h 30m 18s} (current), 186.611d {+12h 26m 27s} (1950) GRB_DEC: +1.867d {+01d 52' 00"} (J2000), +1.727d {+01d 43' 36"} (current), +2.143d {+02d 08' 35"} (1950) GRB_ERROR: 8.35 [deg radius, statistical plus systematic] GRB_INTEN: 172 [cnts/sec] DATA_SIGNIF: 21.10 [sigma] INTEG_TIME: 4.096 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 258.00 [deg] GRB_THETA: 40.00 [deg] DATA_TIME_SCALE: 4.0960 [sec] HARD_RATIO: 0.44 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 4% Generic Transient DETECTORS: 0,0,0, 0,0,0, 1,1,1, 0,0,0, 0,0, SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 45"} SUN_DIST: 125.75 [deg] Sun_angle= -8.6 [hr] (East of Sun) MOON_POSTN: 341.03d {+22h 44m 06s} -9.41d {-09d 24' 29"} MOON_DIST: 152.51 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 289.97, 64.17 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 185.92, 4.59 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 258.88,7.23 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Wed 21 May 25 04:27:49 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 769494427 GRB_RA: 212.530d {+14h 10m 07s} (J2000), 212.813d {+14h 11m 15s} (current), 211.973d {+14h 07m 53s} (1950) GRB_DEC: +29.160d {+29d 09' 36"} (J2000), +29.041d {+29d 02' 28"} (current), +29.395d {+29d 23' 44"} (1950) GRB_ERROR: 6.20 [deg radius, statistical only] DATA_SIGNIF: 25.80 [sigma] DATA_INTERVAL: 4.096 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 239.00 [deg] GRB_THETA: 73.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 45"} SUN_DIST: 124.97 [deg] Sun_angle= -10.3 [hr] (East of Sun) MOON_POSTN: 341.03d {+22h 44m 07s} -9.41d {-09d 24' 27"} MOON_DIST: 127.80 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 44.22, 72.56 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 197.84, 39.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_769494427.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Wed 21 May 25 04:28:30 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 1 TRIGGER_NUM: 769494427 GRB_RA: 212.480d {+14h 09m 55s} (J2000), 212.755d {+14h 11m 01s} (current), 211.939d {+14h 07m 45s} (1950) GRB_DEC: +33.600d {+33d 36' 00"} (J2000), +33.481d {+33d 28' 51"} (current), +33.836d {+33d 50' 08"} (1950) GRB_ERROR: 3.53 [deg radius, statistical only] DATA_SIGNIF: 27.90 [sigma] DATA_INTERVAL: 6.144 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 241.00 [deg] GRB_THETA: 77.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 45"} SUN_DIST: 121.05 [deg] Sun_angle= -10.3 [hr] (East of Sun) MOON_POSTN: 341.03d {+22h 44m 08s} -9.40d {-09d 24' 16"} MOON_DIST: 126.86 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 58.66, 71.91 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 195.15, 43.29 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_769494427.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Wed 21 May 25 04:28:41 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 2 TRIGGER_NUM: 769494427 GRB_RA: 212.460d {+14h 09m 50s} (J2000), 212.735d {+14h 10m 56s} (current), 211.918d {+14h 07m 40s} (1950) GRB_DEC: +33.600d {+33d 36' 00"} (J2000), +33.481d {+33d 28' 51"} (current), +33.836d {+33d 50' 08"} (1950) GRB_ERROR: 2.77 [deg radius, statistical only] DATA_SIGNIF: 35.10 [sigma] DATA_INTERVAL: 9.216 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 241.00 [deg] GRB_THETA: 77.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 46"} SUN_DIST: 121.04 [deg] Sun_angle= -10.3 [hr] (East of Sun) MOON_POSTN: 341.04d {+22h 44m 09s} -9.40d {-09d 24' 13"} MOON_DIST: 126.88 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 58.67, 71.93 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 195.13, 43.28 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_769494427.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Wed 21 May 25 04:29:00 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 3 TRIGGER_NUM: 769494427 GRB_RA: 216.140d {+14h 24m 34s} (J2000), 216.406d {+14h 25m 37s} (current), 215.616d {+14h 22m 28s} (1950) GRB_DEC: +35.450d {+35d 27' 00"} (J2000), +35.336d {+35d 20' 10"} (current), +35.676d {+35d 40' 32"} (1950) GRB_ERROR: 1.00 [deg radius, statistical only] DATA_SIGNIF: 41.40 [sigma] DATA_INTERVAL: 17.408 [sec] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 239.00 [deg] GRB_THETA: 80.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 58.23d {+03h 52m 54s} +20.23d {+20d 13' 46"} SUN_DIST: 120.71 [deg] Sun_angle= -10.5 [hr] (East of Sun) MOON_POSTN: 341.04d {+22h 44m 09s} -9.40d {-09d 24' 08"} MOON_DIST: 123.50 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 61.45, 68.50 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 197.71, 46.32 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_769494427.fits COMMENTS: Fermi-GBM Ground-calculated Coordinates. 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: Wed 21 May 25 04:35:51 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 769494427 GRB_RA: 213.010d {+14h 12m 02s} (J2000), 213.291d {+14h 13m 10s} (current), 212.457d {+14h 09m 50s} (1950) GRB_DEC: +30.070d {+30d 04' 12"} (J2000), +29.952d {+29d 57' 06"} (current), +30.304d {+30d 18' 15"} (1950) GRB_ERROR: 4.61 [deg radius, statistical only] GRB_DATE: 20816 TJD; 141 DOY; 25/05/21 GRB_TIME: 16022.11 SOD {04:27:02.11} UT GRB_PHI: 239.00 [deg] GRB_THETA: 74.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 58.23d {+03h 52m 56s} +20.23d {+20d 13' 49"} SUN_DIST: 124.37 [deg] Sun_angle= -10.3 [hr] (East of Sun) MOON_POSTN: 341.10d {+22h 44m 23s} -9.37d {-09d 22' 20"} MOON_DIST: 127.25 [deg] MOON_ILLUM: 43 [%] GAL_COORDS: 47.14, 72.09 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 197.82, 40.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_lc_medres34_bn250521185.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250521185/quicklook/glg_locplot_all_bn250521185.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: This is likely a Long GRB.