[vsnet-grb 473977] GCN/SWIFT_XRT_POSITION

Bacodine vxw at capella2.gsfc.nasa.gov
Wed Feb 10 06:42:05 JST 2021


TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 09 Feb 21 21:42:05 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     1031636,   Seg_Num: 0
GRB_RA:          328.1251d {+21h 52m 30.02s} (J2000),
                 328.3366d {+21h 53m 20.79s} (current),
                 327.6248d {+21h 50m 29.94s} (1950)
GRB_DEC:         +43.5582d {+43d 33' 29.5"} (J2000),
                 +43.6581d {+43d 39' 29.2"} (current),
                 +43.3224d {+43d 19' 20.7"} (1950)
GRB_ERROR:       4.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       3.98e-09 [erg/cm2/sec]
GRB_SIGNIF:      11.00 [sigma]
IMG_START_DATE:  19254 TJD;    40 DOY;   21/02/09
IMG_START_TIME:  78101.02 SOD {21:41:41.02} UT,   116.5 [sec] since BAT Trigger Time
TAM[0-3]:        327.65 237.21 261.62 243.36
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:       323.75d {+21h 35m 00s}  -14.38d {-14d 22' 36"}
SUN_DIST:         58.19 [deg]   Sun_angle= -0.3 [hr] (East of Sun)
MOON_POSTN:      300.77d {+20h 03m 05s}  -23.84d {-23d 50' 29"}
MOON_DIST:        72.09 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:       91.91, -8.28 [deg] galactic lon,lat of the burst
ECL_COORDS:      352.87, 51.67 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        The XRT position is 1.25 arcmin from the BAT position.  
COMMENTS:        The object found at this position is either a very bright burst or a cosmic ray hit.  
COMMENTS:        Examine the XRT Image to differentiate (CRs are much more compact); see examples at:  
COMMENTS:        http://www.swift.psu.edu/xrt/XRT_Postage_Stamp_Image_Photo_Gallery.htm .  



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