[vsnet-grb 263735] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 18 Jun 15 13:10:58 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     644627,   Seg_Num: 0
GRB_RA:          306.0154d {+20h 24m 03.6s} (J2000),
                 306.1668d {+20h 24m 40.0s} (current),
                 305.5260d {+20h 22m 06.2s} (1950)
GRB_DEC:         +33.8666d {+33d 51' 59.7"} (J2000),
                 +33.9173d {+33d 55' 02.2"} (current),
                 +33.7039d {+33d 42' 13.8"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       221 [cnts]
IMG_START_DATE:  17191 TJD;   169 DOY;   15/06/18
IMG_START_TIME:  47406.94 SOD {13:10:06.94} UT,   46.5 [sec] since BAT Trigger Time
CENTROID_X:      321.82,  raw= 322  [pixels]
CENTROID_Y:      293.06,  raw= 293  [pixels]
ROLL:            38.70 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -11.16
GRB_POS_XRT_Z:   38.95
IMAGE_URL:       sw00644627000msxps_rw.img
SUN_POSTN:        86.73d {+05h 46m 55s}  +23.40d {+23d 24' 10"}
SUN_DIST:        111.50 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      111.80d {+07h 27m 11s}  +17.06d {+17d 03' 45"}
MOON_DIST:       127.21 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:       73.12, -2.09 [deg] galactic lon,lat of the burst
ECL_COORDS:      321.06, 51.12 [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 .