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TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Sat 31 May 25 21:04:19 UT
NOTICE_TYPE:     Fermi-GBM Alert
RECORD_NUM:      1
TRIGGER_NUM:     770418258
GRB_DATE:        20826 TJD;   151 DOY;   25/05/31
GRB_TIME:        75853.66 SOD {21:04:13.66} UT
TRIGGER_SIGNIF:  9.7 [sigma]
TRIGGER_DUR:     0.016 [sec]
E_RANGE:         5-7 [chan]   291-infinity [keV]
ALGORITHM:       116
DETECTORS:       0,0,1, 1,1,0, 0,0,0, 1,1,0, 1,1,
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531878/quicklook/glg_lc_medres34_bn250531878.gif
COMMENTS:        Fermi-GBM Trigger Alert.  
COMMENTS:        This trigger occurred at longitude,latitude = 279.97,9.48 [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:     Sat 31 May 25 21:04:42 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      47
TRIGGER_NUM:     770418258
GRB_RA:          294.483d {+19h 37m 56s} (J2000),
                 294.355d {+19h 37m 25s} (current),
                 294.729d {+19h 38m 55s} (1950)
GRB_DEC:         +74.117d {+74d 07' 00"} (J2000),
                 +74.175d {+74d 10' 31"} (current),
                 +74.001d {+74d 00' 03"} (1950)
GRB_ERROR:       32.88 [deg radius, statistical plus systematic]
GRB_INTEN:       235 [cnts/sec]
DATA_SIGNIF:     4.10 [sigma]
INTEG_TIME:      0.016 [sec]
GRB_DATE:        20826 TJD;   151 DOY;   25/05/31
GRB_TIME:        75853.66 SOD {21:04:13.66} UT
GRB_PHI:         268.00 [deg]
GRB_THETA:        50.00 [deg]
DATA_TIME_SCALE: 0.0160 [sec]
HARD_RATIO:      0.00
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:     100%  TGF
2nd_MOST_LIKELY:   0%  n/a
DETECTORS:       0,0,1, 1,1,0, 0,0,0, 1,1,0, 1,1,
SUN_POSTN:        69.07d {+04h 36m 16s}  +22.04d {+22d 02' 26"}
SUN_DIST:         79.44 [deg]   Sun_angle= 9.0 [hr] (West of Sun)
MOON_POSTN:      137.53d {+09h 10m 08s}  +19.77d {+19d 46' 28"}
MOON_DIST:        84.86 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:      106.01, 22.92 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       53.64, 78.97 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250531878/quicklook/glg_lc_medres34_bn250531878.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 279.97,9.48 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.