////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 23 May 26 19:26:04 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 801257167 GRB_DATE: 21183 TJD; 143 DOY; 26/05/23 GRB_TIME: 69962.54 SOD {19:26:02.54} UT TRIGGER_SIGNIF: 5.4 [sigma] TRIGGER_DUR: 0.064 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 5 DETECTORS: 0,0,0, 0,0,1, 0,0,1, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_lc_medres34_bn260523810.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 228.85,12.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 23 May 26 19:26:05 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 801257167 GRB_RA: 12.533d {+00h 50m 08s} (J2000), 12.819d {+00h 51m 17s} (current), 11.990d {+00h 47m 57s} (1950) GRB_DEC: -58.433d {-58d 25' 59"} (J2000), -58.290d {-58d 17' 23"} (current), -58.705d {-58d 42' 18"} (1950) GRB_ERROR: 10.85 [deg radius, statistical plus systematic] GRB_INTEN: 403 [cnts/sec] DATA_SIGNIF: 11.80 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 21183 TJD; 143 DOY; 26/05/23 GRB_TIME: 69962.54 SOD {19:26:02.54} UT GRB_PHI: 294.00 [deg] GRB_THETA: 115.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.34 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 96% GRB 2nd_MOST_LIKELY: 3% Generic Transient DETECTORS: 0,0,0, 0,0,1, 0,0,1, 0,0,0, 0,0, SUN_POSTN: 60.62d {+04h 02m 29s} +20.69d {+20d 41' 33"} SUN_DIST: 88.30 [deg] Sun_angle= 3.2 [hr] (West of Sun) MOON_POSTN: 158.66d {+10h 34m 38s} +8.87d {+08d 52' 12"} MOON_DIST: 124.12 [deg] MOON_ILLUM: 54 [%] GAL_COORDS: 303.26,-58.69 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 335.33,-55.78 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_lc_medres34_bn260523810.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 228.85,12.72 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sat 23 May 26 19:26:22 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 801257167 GRB_RA: 27.240d {+01h 48m 58s} (J2000), 27.458d {+01h 49m 50s} (current), 26.826d {+01h 47m 18s} (1950) GRB_DEC: -60.710d {-60d 42' 35"} (J2000), -60.579d {-60d 34' 45"} (current), -60.958d {-60d 57' 28"} (1950) GRB_ERROR: 6.46 [deg radius, statistical only] DATA_SIGNIF: 23.60 [sigma] DATA_INTERVAL: 1.024 [sec] GRB_DATE: 21183 TJD; 143 DOY; 26/05/23 GRB_TIME: 69962.54 SOD {19:26:02.54} UT GRB_PHI: 302.00 [deg] GRB_THETA: 118.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 60.62d {+04h 02m 29s} +20.69d {+20d 41' 33"} SUN_DIST: 85.59 [deg] Sun_angle= 2.2 [hr] (West of Sun) MOON_POSTN: 158.66d {+10h 34m 38s} +8.87d {+08d 52' 07"} MOON_DIST: 117.00 [deg] MOON_ILLUM: 54 [%] GAL_COORDS: 290.69,-55.03 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 341.98,-62.78 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_lc_medres34_bn260523810.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_801257167.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: Sat 23 May 26 19:27:28 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 0 TRIGGER_NUM: 801257167 GRB_RA: 31.770d {+02h 07m 05s} (J2000), 31.955d {+02h 07m 49s} (current), 31.420d {+02h 05m 41s} (1950) GRB_DEC: -63.240d {-63d 14' 23"} (J2000), -63.115d {-63d 06' 54"} (current), -63.477d {-63d 28' 37"} (1950) GRB_ERROR: 4.35 [deg radius, statistical only] DATA_SIGNIF: 16.10 [sigma] DATA_INTERVAL: 7.168 [sec] GRB_DATE: 21183 TJD; 143 DOY; 26/05/23 GRB_TIME: 69962.54 SOD {19:26:02.54} UT GRB_PHI: 304.00 [deg] GRB_THETA: 121.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 60.62d {+04h 02m 29s} +20.69d {+20d 41' 34"} SUN_DIST: 86.79 [deg] Sun_angle= 1.9 [hr] (West of Sun) MOON_POSTN: 158.67d {+10h 34m 40s} +8.86d {+08d 51' 51"} MOON_DIST: 113.86 [deg] MOON_ILLUM: 54 [%] GAL_COORDS: 289.27,-51.84 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 340.22,-66.00 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_lc_medres34_bn260523810.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_801257167.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: Sat 23 May 26 19:35:25 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 801257167 GRB_RA: 34.120d {+02h 16m 29s} (J2000), 34.296d {+02h 17m 11s} (current), 33.787d {+02h 15m 09s} (1950) GRB_DEC: -63.070d {-63d 04' 11"} (J2000), -62.948d {-62d 56' 54"} (current), -63.301d {-63d 18' 02"} (1950) GRB_ERROR: 3.14 [deg radius, statistical only] GRB_DATE: 21183 TJD; 143 DOY; 26/05/23 GRB_TIME: 69962.54 SOD {19:26:02.54} UT GRB_PHI: 305.00 [deg] GRB_THETA: 121.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 60.63d {+04h 02m 31s} +20.69d {+20d 41' 37"} SUN_DIST: 86.18 [deg] Sun_angle= 1.8 [hr] (West of Sun) MOON_POSTN: 158.73d {+10h 34m 56s} +8.83d {+08d 49' 52"} MOON_DIST: 113.01 [deg] MOON_ILLUM: 54 [%] GAL_COORDS: 287.65,-51.46 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 342.04,-66.79 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_lc_medres34_bn260523810.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260523810/quicklook/glg_locplot_all_bn260523810.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 Short GRB.