[vsnet-grb 474877] GCN/SWIFT_BAT_POSITION

Bacodine vxw at capella2.gsfc.nasa.gov
Wed Feb 17 17:11:36 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 17 Feb 21 08:11:36 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1033144,   Seg_Num: 0
GRB_RA:          277.646d {+18h 30m 35s} (J2000),
                 277.931d {+18h 31m 43s} (current),
                 276.973d {+18h 27m 54s} (1950)
GRB_DEC:          -6.735d {-06d 44' 05"} (J2000),
                  -6.719d {-06d 43' 08"} (current),
                  -6.770d {-06d 46' 13"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       385 [cnts]    Image_Peak=87 [image_cnts]
TRIGGER_DUR:     0.008 [sec] 
TRIGGER_INDEX:   10109     E_range: 15-50 keV
BKG_INTEN:       25255 [cnts]
BKG_TIME:        29469.47 SOD {08:11:09.47} UT
BKG_DUR:         8 [sec]
GRB_DATE:        19262 TJD;    48 DOY;   21/02/17
GRB_TIME:        29481.31 SOD {08:11:21.31} UT
GRB_PHI:         -163.59 [deg]
GRB_THETA:        22.38 [deg]
SOLN_STATUS:     0x1000000D
RATE_SIGNIF:     70.90 [sigma]
IMAGE_SIGNIF:    12.46 [sigma]
MERIT_PARAMS:     +0  +0 +124  -7  +1  +2  +0  +1 -60  +0 
SUN_POSTN:       331.02d {+22h 04m 06s}  -11.86d {-11d 51' 34"}
SUN_DIST:         52.58 [deg]   Sun_angle= 3.5 [hr] (West of Sun)
MOON_POSTN:       31.54d {+02h 06m 09s}   +9.05d {+09d 03' 01"}
MOON_DIST:       114.28 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:       24.56,  1.54 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      277.92, 16.49 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=10211=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 74.18,-17.08 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is spatially(0.00<0.1deg) coincident with the SWIFT_BAT event (trignum=1032350).  



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