////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 10 May 26 20:38:14 UT NOTICE_TYPE: Fermi-GBM Alert RECORD_NUM: 1 TRIGGER_NUM: 800138293 GRB_DATE: 21170 TJD; 130 DOY; 26/05/10 GRB_TIME: 74288.77 SOD {20:38:08.77} UT TRIGGER_SIGNIF: 5.8 [sigma] TRIGGER_DUR: 0.128 [sec] E_RANGE: 3-4 [chan] 47-291 [keV] ALGORITHM: 6 DETECTORS: 0,1,0, 1,1,0, 0,0,0, 0,0,0, 0,0, LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260510860/quicklook/glg_lc_medres34_bn260510860.gif COMMENTS: Fermi-GBM Trigger Alert. COMMENTS: This trigger occurred at longitude,latitude = 48.68,21.83 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 10 May 26 20:38:38 UT NOTICE_TYPE: Fermi-GBM Flight Position RECORD_NUM: 46 TRIGGER_NUM: 800138293 GRB_RA: 344.067d {+22h 56m 16s} (J2000), 344.368d {+22h 57m 28s} (current), 343.497d {+22h 53m 59s} (1950) GRB_DEC: +42.483d {+42d 28' 60"} (J2000), +42.624d {+42d 37' 28"} (current), +42.216d {+42d 12' 58"} (1950) GRB_ERROR: 20.65 [deg radius, statistical plus systematic] GRB_INTEN: 228 [cnts/sec] DATA_SIGNIF: 6.10 [sigma] INTEG_TIME: 0.256 [sec] GRB_DATE: 21170 TJD; 130 DOY; 26/05/10 GRB_TIME: 74288.77 SOD {20:38:08.77} UT GRB_PHI: 314.00 [deg] GRB_THETA: 50.00 [deg] DATA_TIME_SCALE: 0.2560 [sec] HARD_RATIO: 0.14 LOC_ALGORITHM: 3 (version number of) MOST_LIKELY: 87% GRB 2nd_MOST_LIKELY: 11% Cyg X-1 DETECTORS: 0,1,0, 1,1,0, 0,0,0, 0,0,0, 0,0, SUN_POSTN: 47.76d {+03h 11m 02s} +17.79d {+17d 47' 31"} SUN_DIST: 58.62 [deg] Sun_angle= 4.2 [hr] (West of Sun) MOON_POSTN: 333.54d {+22h 14m 10s} -11.27d {-11d 16' 23"} MOON_DIST: 54.80 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 101.30,-15.50 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 6.67, 44.44 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260510860/quicklook/glg_lc_medres34_bn260510860.gif COMMENTS: Fermi-GBM Flight-calculated Coordinates. COMMENTS: This trigger occurred at longitude,latitude = 48.68,21.83 [deg]. COMMENTS: The LC_URL file will not be created until ~15 min after the trigger. ////////////////////////////////////////////////////////////////////// TITLE: GCN/FERMI NOTICE NOTICE_DATE: Sun 10 May 26 20:38:56 UT NOTICE_TYPE: Fermi-GBM Ground Position RECORD_NUM: 58 TRIGGER_NUM: 800138293 GRB_RA: 3.490d {+00h 13m 58s} (J2000), 3.835d {+00h 15m 20s} (current), 2.837d {+00h 11m 21s} (1950) GRB_DEC: +38.710d {+38d 42' 36"} (J2000), +38.856d {+38d 51' 23"} (current), +38.432d {+38d 25' 55"} (1950) GRB_ERROR: 17.59 [deg radius, statistical only] DATA_SIGNIF: 5.90 [sigma] DATA_INTERVAL: 0.256 [sec] GRB_DATE: 21170 TJD; 130 DOY; 26/05/10 GRB_TIME: 74288.77 SOD {20:38:08.77} UT GRB_PHI: 328.00 [deg] GRB_THETA: 60.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 4173 (Gnd S/W Version number) SUN_POSTN: 47.76d {+03h 11m 02s} +17.79d {+17d 47' 31"} SUN_DIST: 43.47 [deg] Sun_angle= 2.9 [hr] (West of Sun) MOON_POSTN: 333.55d {+22h 14m 11s} -11.27d {-11d 16' 19"} MOON_DIST: 57.53 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 114.96,-23.58 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 20.57, 33.70 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260510860/quicklook/glg_lc_medres34_bn260510860.gif POS_MAP_URL: http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_800138293.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: Sun 10 May 26 20:47:29 UT NOTICE_TYPE: Fermi-GBM Final Position RECORD_NUM: 0 TRIGGER_NUM: 800138293 GRB_RA: 3.000d {+00h 12m 00s} (J2000), 3.344d {+00h 13m 23s} (current), 2.350d {+00h 09m 24s} (1950) GRB_DEC: +37.440d {+37d 26' 24"} (J2000), +37.587d {+37d 35' 11"} (current), +37.162d {+37d 09' 43"} (1950) GRB_ERROR: 13.93 [deg radius, statistical only] GRB_DATE: 21170 TJD; 130 DOY; 26/05/10 GRB_TIME: 74288.77 SOD {20:38:08.77} UT GRB_PHI: 327.00 [deg] GRB_THETA: 61.00 [deg] E_RANGE: 44.032 - 279.965 [keV] LOC_ALGORITHM: 41731 (Gnd S/W Version number) SUN_POSTN: 47.76d {+03h 11m 03s} +17.79d {+17d 47' 36"} SUN_DIST: 43.51 [deg] Sun_angle= 3.0 [hr] (West of Sun) MOON_POSTN: 333.62d {+22h 14m 28s} -11.24d {-11d 14' 18"} MOON_DIST: 56.22 [deg] MOON_ILLUM: 40 [%] GAL_COORDS: 114.32,-24.77 [deg] galactic lon,lat of the burst (or transient) ECL_COORDS: 19.45, 32.77 [deg] ecliptic lon,lat of the burst (or transient) LC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260510860/quicklook/glg_lc_medres34_bn260510860.gif LOC_URL: http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260510860/quicklook/glg_locplot_all_bn260510860.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 Short GRB.