[vsnet-grb 373573] GCN/SWIFT_BAT_LIGHTCURVE

Bacodine vxw at capella2.gsfc.nasa.gov
Wed Jul 18 23:15:50 JST 2018


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 18 Jul 18 14:15:47 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     848584,   Seg_Num: 0
GRB_RA:          248.070d {+16h 32m 17s} (J2000),
                 248.413d {+16h 33m 39s} (current),
                 247.146d {+16h 28m 35s} (1950)
GRB_DEC:         -47.809d {-47d 48' 33"} (J2000),
                 -47.848d {-47d 50' 51"} (current),
                 -47.703d {-47d 42' 11"} (1950)
GRB_DATE:        18317 TJD;   199 DOY;   18/07/18
GRB_TIME:        50674.71 SOD {14:04:34.71} UT
TRIGGER_INDEX:   20000
GRB_PHI:          36.71 [deg]
GRB_THETA:        13.42 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     488.000 [sec]   (=8.1 [min])
SOLN_STATUS:     0x99D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    6.39 [sigma]
LC_URL:          sw00848584000msb.lc
SUN_POSTN:       117.91d {+07h 51m 38s}  +20.96d {+20d 57' 38"}
SUN_DIST:        132.24 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:      191.76d {+12h 47m 02s}   +0.10d {+00d 06' 07"}
MOON_DIST:        68.43 [deg]
MOON_ILLUM:      37 [%]
GAL_COORDS:      336.41,  0.18 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      253.85,-25.59 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
COMMENTS:        This is an image trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog.  
COMMENTS:        This matches a source in the ground catalog: AX_1631.9-4752,   delta=0.090 [deg].  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:           
COMMENTS:        The IMAGE_SIGNIF is VERY LOW, this is very likely not real.  
COMMENTS:        This trigger occurred at longitude,latitude = 72.86,-7.18 [deg].  
COMMENTS:        This lightcurve contains more than 50 illegal values -- probably an empty lightcurve.  
COMMENTS:        So the FITS file will have empty/missing rows -- possibly all rows will be missing.  
COMMENTS:        One explanation is a long Image-trigger(>~10min); another is corrupted tlm.  



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