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TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Sun 31 May 26 06:08:41 UT
NOTICE_TYPE:     Fermi-GBM Alert
RECORD_NUM:      1
TRIGGER_NUM:     801900520
GRB_DATE:        21191 TJD;   151 DOY;   26/05/31
GRB_TIME:        22115.57 SOD {06:08:35.57} UT
TRIGGER_SIGNIF:  4.9 [sigma]
TRIGGER_DUR:     4.096 [sec]
E_RANGE:         3-4 [chan]   47-291 [keV]
ALGORITHM:       16
DETECTORS:       0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0,
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260531256/quicklook/glg_lc_medres34_bn260531256.gif
COMMENTS:        Fermi-GBM Trigger Alert.  
COMMENTS:        This trigger occurred at longitude,latitude = 269.33,-24.33 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
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TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Sun 31 May 26 06:08:54 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      44
TRIGGER_NUM:     801900520
GRB_RA:          298.650d {+19h 54m 36s} (J2000),
                 299.180d {+19h 56m 43s} (current),
                 297.643d {+19h 50m 34s} (1950)
GRB_DEC:         -56.100d {-56d 06' 00"} (J2000),
                 -56.029d {-56d 01' 43"} (current),
                 -56.231d {-56d 13' 52"} (1950)
GRB_ERROR:       20.35 [deg radius, statistical plus systematic]
GRB_INTEN:       55 [cnts/sec]
DATA_SIGNIF:     4.80 [sigma]
INTEG_TIME:      4.096 [sec]
GRB_DATE:        21191 TJD;   151 DOY;   26/05/31
GRB_TIME:        22115.57 SOD {06:08:35.57} UT
GRB_PHI:         105.00 [deg]
GRB_THETA:        20.00 [deg]
DATA_TIME_SCALE: 4.0960 [sec]
HARD_RATIO:      1.82
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      75%  GRB
2nd_MOST_LIKELY:  13%  SGR_1806n20
DETECTORS:       0,0,1, 0,0,0, 1,0,0, 0,0,0, 0,0,
SUN_POSTN:        68.18d {+04h 32m 44s}  +21.92d {+21d 55' 14"}
SUN_DIST:        129.48 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      245.96d {+16h 23m 50s}  -26.61d {-26d 36' 45"}
MOON_DIST:        47.89 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      341.65,-30.90 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      288.94,-34.53 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260531256/quicklook/glg_lc_medres34_bn260531256.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 269.33,-24.33 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Sun 31 May 26 06:11:52 UT
NOTICE_TYPE:     Fermi-GBM Ground Position
RECORD_NUM:      0
TRIGGER_NUM:     801900520
GRB_RA:          288.390d {+19h 13m 34s} (J2000),
                 288.922d {+19h 15m 41s} (current),
                 287.381d {+19h 09m 32s} (1950)
GRB_DEC:         -54.220d {-54d 13' 11"} (J2000),
                 -54.173d {-54d 10' 22"} (current),
                 -54.306d {-54d 18' 19"} (1950)
GRB_ERROR:       3.30 [deg radius, statistical only]
DATA_SIGNIF:     6.80 [sigma]
DATA_INTERVAL:   9.216 [sec]
GRB_DATE:        21191 TJD;   151 DOY;   26/05/31
GRB_TIME:        22115.57 SOD {06:08:35.57} UT
GRB_PHI:         123.00 [deg]
GRB_THETA:        20.00 [deg]
E_RANGE:         44.032 - 279.965 [keV]
LOC_ALGORITHM:   41731 (Gnd S/W Version number)
SUN_POSTN:        68.18d {+04h 32m 44s}  +21.92d {+21d 55' 15"}
SUN_DIST:        135.57 [deg]   Sun_angle= 9.3 [hr] (West of Sun)
MOON_POSTN:      245.99d {+16h 23m 56s}  -26.62d {-26d 36' 59"}
MOON_DIST:        41.72 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      342.82,-24.84 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      282.50,-31.58 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2026/bn260531256/quicklook/glg_lc_medres34_bn260531256.gif
POS_MAP_URL:     http://gcn.gsfc.nasa.gov/notices_f/gbm_gnd_loc_map_801900520.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.