[vsnet-grb 198361] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 15 Mar 13 12:49:01 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     551126,   Seg_Num: 0
GRB_RA:          157.5465d {+10h 30m 11.1s} (J2000),
                 157.6800d {+10h 30m 43.2s} (current),
                 157.0419d {+10h 28m 10.0s} (1950)
GRB_DEC:         -51.7935d {-51d 47' 36.6"} (J2000),
                 -51.8615d {-51d 51' 41.2"} (current),
                 -51.5367d {-51d 32' 12.0"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       228 [cnts]
IMG_START_DATE:  16366 TJD;    74 DOY;   13/03/15
IMG_START_TIME:  46093.72 SOD {12:48:13.72} UT,   160.8 [sec] since BAT Trigger Time
CENTROID_X:      276.30,  raw= 276  [pixels]
CENTROID_Y:      291.89,  raw= 292  [pixels]
ROLL:            201.83 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -14.38
GRB_POS_XRT_Z:   -64.59
IMAGE_URL:       sw00551126000msxps_rw.img
SUN_POSTN:       355.50d {+23h 42m 00s}   -1.95d {-01d 56' 49"}
SUN_DIST:        124.12 [deg]   Sun_angle= -10.8 [hr] (East of Sun)
MOON_POSTN:       36.53d {+02h 26m 07s}  +15.23d {+15d 13' 37"}
MOON_DIST:       120.98 [deg]
MOON_ILLUM:      14 [%]
GAL_COORDS:      281.89,  5.21 [deg] galactic lon,lat of the burst
ECL_COORDS:      189.52,-54.58 [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 .