////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 31 May 25 18:02:31 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 770407349 GRB_DATE: 20826 TJD; 151 DOY; 25/05/31 GRB_TIME: 64944.52 SOD {18:02:24.52} UT TRIGGER_SIGNIF: 4.8 [sigma] TRIGGER_DUR: 2.048 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 15 DETECTORS: 0,1,0, 0,0,0, 0,0,1, 1,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_lc_medres34_bn250531752.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 351.13,-1.98 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 31 May 25 18:02:43 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 770407349 GRB_RA: 165.467d {+11h 01m 52s} (J2000), 165.791d {+11h 03m 10s} (current), 164.828d {+10h 59m 19s} (1950) GRB_DEC: -1.733d {-01d 43' 59"} (J2000), -1.870d {-01d 52' 12"} (current), -1.464d {-01d 27' 50"} (1950) GRB_ERROR: 21.93 [deg radius, statistical plus systematic] GRB_INTEN: 67 [cnts/sec] DATA_SIGNIF: 4.80 [sigma] INTEG_TIME: 2.048 [sec] GRB_DATE: 20826 TJD; 151 DOY; 25/05/31 GRB_TIME: 64944.52 SOD {18:02:24.52} UT GRB_PHI: 101.00 [deg] GRB_THETA: 45.00 [deg] DATA_TIME_SCALE: 2.0480 [sec] HARD_RATIO: 2.02 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 74% GRB 2nd_MOST_LIKELY: 22% Generic SGR DETECTORS: 0,1,0, 0,0,0, 0,0,1, 1,0,0, 0,0, SUN_POSTN: 68.94d {+04h 35m 45s} +22.02d {+22d 01' 24"} SUN_DIST: 97.06 [deg] Sun_angle= -6.5 [hr] (East of Sun) MOON_POSTN: 135.86d {+09h 03m 27s} +20.36d {+20d 21' 50"} MOON_DIST: 36.80 [deg] MOON_ILLUM: 26 [%] GAL_COORDS: 256.11, 50.90 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 167.30, -7.33 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_lc_medres34_bn250531752.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 351.13,-1.98 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 31 May 25 18:03:02 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 57 TRIGGER_NUM: 770407349 GRB_RA: 165.260d {+11h 01m 02s} (J2000), 165.577d {+11h 02m 18s} (current), 164.637d {+10h 58m 33s} (1950) GRB_DEC: -13.960d {-13d 57' 35"} (J2000), -14.097d {-14d 05' 48"} (current), -13.691d {-13d 41' 27"} (1950) GRB_ERROR: 11.17 [deg radius, statistical only] DATA_SIGNIF: 5.00 [sigma] DATA_INTERVAL: 2.048 [sec] GRB_DATE: 20826 TJD; 151 DOY; 25/05/31 GRB_TIME: 64944.52 SOD {18:02:24.52} UT GRB_PHI: 104.00 [deg] GRB_THETA: 57.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 68.94d {+04h 35m 45s} +22.02d {+22d 01' 24"} SUN_DIST: 101.26 [deg] Sun_angle= -6.4 [hr] (East of Sun) MOON_POSTN: 135.87d {+09h 03m 28s} +20.36d {+20d 21' 46"} MOON_DIST: 45.17 [deg] MOON_ILLUM: 26 [%] GAL_COORDS: 266.40, 40.95 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 172.08,-18.64 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_lc_medres34_bn250531752.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_770407349.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 31 May 25 18:04:09 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 770407349 GRB_RA: 170.380d {+11h 21m 31s} (J2000), 170.708d {+11h 22m 50s} (current), 169.734d {+11h 18m 56s} (1950) GRB_DEC: +6.480d {+06d 28' 48"} (J2000), +6.340d {+06d 20' 26"} (current), +6.754d {+06d 45' 15"} (1950) GRB_ERROR: 6.70 [deg radius, statistical only] DATA_SIGNIF: 5.90 [sigma] DATA_INTERVAL: 7.168 [sec] GRB_DATE: 20826 TJD; 151 DOY; 25/05/31 GRB_TIME: 64944.52 SOD {18:02:24.52} UT GRB_PHI: 106.00 [deg] GRB_THETA: 36.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 68.94d {+04h 35m 45s} +22.02d {+22d 01' 25"} SUN_DIST: 98.43 [deg] Sun_angle= -6.8 [hr] (East of Sun) MOON_POSTN: 135.88d {+09h 03m 30s} +20.36d {+20d 21' 33"} MOON_DIST: 36.56 [deg] MOON_ILLUM: 26 [%] GAL_COORDS: 252.88, 60.29 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 168.62, 2.15 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_lc_medres34_bn250531752.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_770407349.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: Sat 31 May 25 18:11:41 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 770407349 GRB_RA: 170.840d {+11h 23m 22s} (J2000), 171.168d {+11h 24m 40s} (current), 170.195d {+11h 20m 47s} (1950) GRB_DEC: +5.380d {+05d 22' 48"} (J2000), +5.240d {+05d 14' 25"} (current), +5.655d {+05d 39' 17"} (1950) GRB_ERROR: 6.37 [deg radius, statistical only] GRB_DATE: 20826 TJD; 151 DOY; 25/05/31 GRB_TIME: 64944.52 SOD {18:02:24.52} UT GRB_PHI: 107.00 [deg] GRB_THETA: 37.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 68.94d {+04h 35m 46s} +22.02d {+22d 01' 27"} SUN_DIST: 99.28 [deg] Sun_angle= -6.8 [hr] (East of Sun) MOON_POSTN: 135.95d {+09h 03m 47s} +20.34d {+20d 20' 06"} MOON_DIST: 37.39 [deg] MOON_ILLUM: 26 [%] GAL_COORDS: 255.04, 59.79 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 169.47, 1.32 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_lc_medres34_bn250531752.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531752/quicklook/glg_locplot_all_bn250531752.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.