////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 26 May 26 23:04:06 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 801529445 GRB_DATE: 21186 TJD; 146 DOY; 26/05/26 GRB_TIME: 83040.20 SOD {23:04:00.20} UT TRIGGER_SIGNIF: 6.3 [sigma] TRIGGER_DUR: 0.128 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 6 DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260526961/quicklook/glg_lc_medres34_bn260526961.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 195.02,24.63 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 26 May 26 23:04:29 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 45 TRIGGER_NUM: 801529445 GRB_RA: 23.900d {+01h 35m 36s} (J2000), 24.327d {+01h 37m 19s} (current), 23.096d {+01h 32m 23s} (1950) GRB_DEC: +55.983d {+55d 58' 60"} (J2000), +56.117d {+56d 07' 03"} (current), +55.728d {+55d 43' 41"} (1950) GRB_ERROR: 6.17 [deg radius, statistical plus systematic] GRB_INTEN: 373 [cnts/sec] DATA_SIGNIF: 17.40 [sigma] INTEG_TIME: 1.024 [sec] GRB_DATE: 21186 TJD; 146 DOY; 26/05/26 GRB_TIME: 83040.20 SOD {23:04:00.20} UT GRB_PHI: 300.00 [deg] GRB_THETA: 20.00 [deg] DATA_TIME_SCALE: 1.0240 [sec] HARD_RATIO: 0.40 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 95% GRB 2nd_MOST_LIKELY: 3% Generic Transient DETECTORS: 1,0,0, 1,0,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 63.81d {+04h 15m 14s} +21.25d {+21d 15' 14"} SUN_DIST: 45.41 [deg] Sun_angle= 2.6 [hr] (West of Sun) MOON_POSTN: 194.16d {+12h 56m 38s} -9.72d {-09d 43' 13"} MOON_DIST: 132.92 [deg] MOON_ILLUM: 83 [%] GAL_COORDS: 129.12, -6.36 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 46.43, 42.09 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260526961/quicklook/glg_lc_medres34_bn260526961.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 195.02,24.63 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Tue 26 May 26 23:04:47 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 801529445 GRB_RA: 37.270d {+02h 29m 05s} (J2000), 37.695d {+02h 30m 47s} (current), 36.468d {+02h 25m 52s} (1950) GRB_DEC: +44.060d {+44d 03' 36"} (J2000), +44.177d {+44d 10' 36"} (current), +43.837d {+43d 50' 14"} (1950) GRB_ERROR: 1.89 [deg radius, statistical only] DATA_SIGNIF: 21.70 [sigma] DATA_INTERVAL: 1.024 [sec] GRB_DATE: 21186 TJD; 146 DOY; 26/05/26 GRB_TIME: 83040.20 SOD {23:04:00.20} UT GRB_PHI: 326.00 [deg] GRB_THETA: 30.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 63.81d {+04h 15m 14s} +21.25d {+21d 15' 14"} SUN_DIST: 31.48 [deg] Sun_angle= 1.7 [hr] (West of Sun) MOON_POSTN: 194.16d {+12h 56m 38s} -9.72d {-09d 43' 17"} MOON_DIST: 139.98 [deg] MOON_ILLUM: 83 [%] GAL_COORDS: 140.87,-15.38 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 49.77, 27.71 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260526961/quicklook/glg_lc_medres34_bn260526961.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_801529445.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: Tue 26 May 26 23:13:20 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 801529445 GRB_RA: 40.070d {+02h 40m 17s} (J2000), 40.500d {+02h 42m 00s} (current), 39.259d {+02h 37m 02s} (1950) GRB_DEC: +43.920d {+43d 55' 12"} (J2000), +44.032d {+44d 01' 56"} (current), +43.706d {+43d 42' 20"} (1950) GRB_ERROR: 3.79 [deg radius, statistical only] GRB_DATE: 21186 TJD; 146 DOY; 26/05/26 GRB_TIME: 83040.20 SOD {23:04:00.20} UT GRB_PHI: 330.00 [deg] GRB_THETA: 30.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 63.81d {+04h 15m 15s} +21.25d {+21d 15' 17"} SUN_DIST: 29.85 [deg] Sun_angle= 1.6 [hr] (West of Sun) MOON_POSTN: 194.23d {+12h 56m 54s} -9.75d {-09d 45' 14"} MOON_DIST: 138.86 [deg] MOON_ILLUM: 83 [%] GAL_COORDS: 142.84,-14.70 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 51.83, 26.87 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260526961/quicklook/glg_lc_medres34_bn260526961.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260526961/quicklook/glg_locplot_all_bn260526961.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.