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TITLE:           GCN/FERMI NOTICE
NOTICE_DATE:     Fri 21 Feb 25 04:35:11 UT
NOTICE_TYPE:     Fermi-GBM Alert
RECORD_NUM:      1
TRIGGER_NUM:     761805304
GRB_DATE:        20727 TJD;    52 DOY;   25/02/21
GRB_TIME:        16499.25 SOD {04:34:59.25} UT
TRIGGER_SIGNIF:  4.5 [sigma]
TRIGGER_DUR:     0.256 [sec]
E_RANGE:         3-4 [chan]   47-291 [keV]
ALGORITHM:       9
DETECTORS:       0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0,
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250221191/quicklook/glg_lc_medres34_bn250221191.gif
COMMENTS:        Fermi-GBM Trigger Alert.  
COMMENTS:        This trigger occurred at longitude,latitude = 175.02,25.07 [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:     Fri 21 Feb 25 04:35:28 UT
NOTICE_TYPE:     Fermi-GBM Flight Position
RECORD_NUM:      49
TRIGGER_NUM:     761805304
GRB_RA:          318.433d {+21h 13m 44s} (J2000),
                 318.816d {+21h 15m 16s} (current),
                 317.670d {+21h 10m 41s} (1950)
GRB_DEC:         -33.233d {-33d 13' 59"} (J2000),
                 -33.128d {-33d 07' 41"} (current),
                 -33.440d {-33d 26' 24"} (1950)
GRB_ERROR:       10.22 [deg radius, statistical plus systematic]
GRB_INTEN:       254 [cnts/sec]
DATA_SIGNIF:     10.10 [sigma]
INTEG_TIME:      1.024 [sec]
GRB_DATE:        20727 TJD;    52 DOY;   25/02/21
GRB_TIME:        16499.25 SOD {04:34:59.25} UT
GRB_PHI:           5.00 [deg]
GRB_THETA:       105.00 [deg]
DATA_TIME_SCALE: 1.0240 [sec]
HARD_RATIO:      1.69
LOC_ALGORITHM:   3 (version number of)
MOST_LIKELY:      62%  Solar Flare
2nd_MOST_LIKELY:  27%  GRB
DETECTORS:       0,1,0, 0,0,1, 0,0,0, 0,0,0, 0,0,
SUN_POSTN:       334.75d {+22h 19m 01s}  -10.47d {-10d 28' 28"}
SUN_DIST:         26.98 [deg]   Sun_angle= 1.1 [hr] (West of Sun)
MOON_POSTN:      245.10d {+16h 20m 23s}  -26.50d {-26d 30' 00"}
MOON_DIST:        63.00 [deg]
MOON_ILLUM:      46 [%]
GAL_COORDS:       11.59,-43.08 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      310.72,-16.38 [deg] ecliptic lon,lat of the burst (or transient)
LC_URL:          http://heasarc.gsfc.nasa.gov/FTP/fermi/data/gbm/triggers/2025/bn250221191/quicklook/glg_lc_medres34_bn250221191.gif
COMMENTS:        Fermi-GBM Flight-calculated Coordinates.  
COMMENTS:        This trigger occurred at longitude,latitude = 175.02,25.07 [deg].  
COMMENTS:        The LC_URL file will not be created until ~15 min after the trigger.