[vsnet-grb 253437] GCN/SWIFT_XRT_IMAGE_PROCESSED

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 13 Feb 15 22:34:47 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     631051,   Seg_Num: 0
GRB_RA:          253.4532d {+16h 53m 48.7s} (J2000),
                 253.5921d {+16h 54m 22.1s} (current),
                 252.9940d {+16h 51m 58.5s} (1950)
GRB_DEC:         +34.1886d {+34d 11' 18.9"} (J2000),
                 +34.1647d {+34d 09' 53.0"} (current),
                 +34.2690d {+34d 16' 08.2"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       91 [cnts]
IMG_START_DATE:  17066 TJD;    44 DOY;   15/02/13
IMG_START_TIME:  81234.11 SOD {22:33:54.11} UT,   143.3 [sec] since BAT Trigger Time
CENTROID_X:      292.07,  raw= 292  [pixels]
CENTROID_Y:      316.82,  raw= 317  [pixels]
ROLL:            110.12 [deg]
GAIN:            2
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   44.85
GRB_POS_XRT_Z:   -31.16
IMAGE_URL:       sw00631051000msxps_rw.img
SUN_POSTN:       327.19d {+21h 48m 45s}  -13.22d {-13d 13' 11"}
SUN_DIST:         84.31 [deg]   Sun_angle= 4.9 [hr] (West of Sun)
MOON_POSTN:      255.70d {+17h 02m 47s}  -18.04d {-18d 02' 15"}
MOON_DIST:        52.24 [deg]
MOON_ILLUM:      32 [%]
GAL_COORDS:       56.54, 38.15 [deg] galactic lon,lat of the burst
ECL_COORDS:      244.95, 56.20 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Processed 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 .