[vsnet-grb 337055] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Aug 17 09:15:08 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     768939,   Seg_Num: 0
GRB_RA:           94.3828d {+06h 17m 31.8s} (J2000),
                  94.7485d {+06h 19m 00.3s} (current),
                  93.3456d {+06h 13m 22.9s} (1950)
GRB_DEC:         +54.9886d {+54d 59' 18.9"} (J2000),
                 +54.9808d {+54d 58' 50.8"} (current),
                 +55.0074d {+55d 00' 26.5"} (1950)
GRB_ERROR:       5.0 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       32 [cnts]
IMG_START_DATE:  17987 TJD;   234 DOY;   17/08/22
IMG_START_TIME:  33274.28 SOD {09:14:34.28} UT,   163.2 [sec] since BAT Trigger Time
CENTROID_X:      276.25,  raw= 276  [pixels]
CENTROID_Y:      231.48,  raw= 231  [pixels]
ROLL:            111.15 [deg]
GAIN:            8
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -157.73
GRB_POS_XRT_Z:   -71.05
IMAGE_URL:       sw00768939000msxps_rw.img
SUN_POSTN:       151.59d {+10h 06m 22s}  +11.65d {+11d 39' 13"}
SUN_DIST:         61.78 [deg]   Sun_angle= 3.8 [hr] (West of Sun)
MOON_POSTN:      159.55d {+10h 38m 13s}   +9.98d {+09d 58' 35"}
MOON_DIST:        67.51 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      159.41, 17.35 [deg] galactic lon,lat of the burst
ECL_COORDS:       92.95, 31.59 [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 .