[vsnet-grb 273405] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 08 Oct 15 05:59:39 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     658045,   Seg_Num: 0
GRB_RA:          117.8871d {+07h 51m 32.9s} (J2000),
                 117.9825d {+07h 51m 55.8s} (current),
                 117.5843d {+07h 50m 20.2s} (1950)
GRB_DEC:         -53.9478d {-53d 56' 52.0"} (J2000),
                 -53.9889d {-53d 59' 20.1"} (current),
                 -53.8182d {-53d 49' 05.6"} (1950)
GRB_ERROR:       5.0 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       35 [cnts]
IMG_START_DATE:  17303 TJD;   281 DOY;   15/10/08
IMG_START_TIME:  20957.73 SOD {05:49:17.73} UT,   90.5 [sec] since BAT Trigger Time
CENTROID_X:      300.54,  raw= 301  [pixels]
CENTROID_Y:      463.66,  raw= 464  [pixels]
ROLL:            81.63 [deg]
GAIN:            4
MODE:            2, Short Image mode
WAVEFORM:        134
EXPO_TIME:       0.10 [sec]
GRB_POS_XRT_Y:   391.00
GRB_POS_XRT_Z:   -11.22
IMAGE_URL:       sw00658045000msxps_rw.img
SUN_POSTN:       193.48d {+12h 53m 56s}   -5.77d {-05d 46' 13"}
SUN_DIST:         76.83 [deg]   Sun_angle= 5.0 [hr] (West of Sun)
MOON_POSTN:      144.43d {+09h 37m 43s}  +10.66d {+10d 39' 44"}
MOON_DIST:        68.43 [deg]
MOON_ILLUM:      19 [%]
GAL_COORDS:      267.17,-13.46 [deg] galactic lon,lat of the burst
ECL_COORDS:      150.51,-71.56 [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 .  
COMMENTS:        WARNING: The centroided position is more than 100 rows or columns from the center of the FOV.