[vsnet-grb 489098] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 20 Jun 21 00:06:41 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     1056757,   Seg_Num: 0
GRB_RA:          319.7161d {+21h 18m 51.8s} (J2000),
                 319.9394d {+21h 19m 45.4s} (current),
                 319.1965d {+21h 16m 47.1s} (1950)
GRB_DEC:         +33.8495d {+33d 50' 58.1"} (J2000),
                 +33.9408d {+33d 56' 26.9"} (current),
                 +33.6379d {+33d 38' 16.5"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       132 [cnts]
IMG_START_DATE:  19385 TJD;   171 DOY;   21/06/20
IMG_START_TIME:  293.45 SOD {00:04:53.45} UT,   328.0 [sec] since BAT Trigger Time
CENTROID_X:      265.72,  raw= 266  [pixels]
CENTROID_Y:      280.44,  raw= 280  [pixels]
ROLL:            47.46 [deg]
GAIN:            2
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -41.61
GRB_POS_XRT_Z:   -98.22
IMAGE_URL:       sw01056757000msxps_rw.img
SUN_POSTN:        88.82d {+05h 55m 16s}  +23.43d {+23d 25' 53"}
SUN_DIST:        104.82 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      202.62d {+13h 30m 28s}   -5.39d {-05d 23' 06"}
MOON_DIST:       115.56 [deg]
MOON_ILLUM:      70 [%]
GAL_COORDS:       80.34,-10.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      336.83, 46.44 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Image.  
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 .