[vsnet-grb 195183] GCN/SWIFT_XRT_IMAGE_PROCESSED

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 31 Jan 13 13:58:11 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     547407,   Seg_Num: 0
GRB_RA:          171.1243d {+11h 24m 29.8s} (J2000),
                 171.3043d {+11h 25m 13.0s} (current),
                 170.4339d {+11h 21m 44.1s} (1950)
GRB_DEC:         +48.0750d {+48d 04' 30.0"} (J2000),
                 +48.0030d {+48d 00' 10.8"} (current),
                 +48.3498d {+48d 20' 59.3"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       252 [cnts]
IMG_START_DATE:  16323 TJD;    31 DOY;   13/01/31
IMG_START_TIME:  50240.53 SOD {13:57:20.53} UT,   58.5 [sec] since BAT Trigger Time
CENTROID_X:      257.80,  raw= 258  [pixels]
CENTROID_Y:      289.46,  raw= 289  [pixels]
ROLL:            57.00 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -20.12
GRB_POS_XRT_Z:   -108.19
IMAGE_URL:       sw00547407000msxps_rw.img
SUN_POSTN:       314.32d {+20h 57m 17s}  -17.23d {-17d 13' 52"}
SUN_DIST:        136.94 [deg]   Sun_angle= 9.5 [hr] (West of Sun)
MOON_POSTN:      182.18d {+12h 08m 43s}   -5.07d {-05d 04' 18"}
MOON_DIST:        53.93 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:      156.06, 63.08 [deg] galactic lon,lat of the burst
ECL_COORDS:      149.39, 39.91 [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 .