[vsnet-grb 470010] GCN/SWIFT_XRT_IMAGE_PROCESSED

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 02 Jan 21 00:19:31 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     1015615,   Seg_Num: 0
GRB_RA:          234.9978d {+15h 39m 59.4s} (J2000),
                 236.2573d {+15h 45m 01.7s} (current),
                 232.1074d {+15h 28m 25.7s} (1950)
GRB_DEC:         -84.4012d {-84d 24' 04.3"} (J2000),
                 -84.4672d {-84d 28' 02.0"} (current),
                 -84.2357d {-84d 14' 08.3"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       67 [cnts]
IMG_START_DATE:  19216 TJD;     2 DOY;   21/01/02
IMG_START_TIME:  1127.73 SOD {00:18:47.73} UT,   95.1 [sec] since BAT Trigger Time
CENTROID_X:      436.72,  raw= 437  [pixels]
CENTROID_Y:      29.79,  raw= 30  [pixels]
ROLL:            50.35 [deg]
GAIN:            2
MODE:            2, Short Image mode
WAVEFORM:        134
EXPO_TIME:       0.10 [sec]
GRB_POS_XRT_Y:   -632.46
GRB_POS_XRT_Z:   304.85
IMAGE_URL:       sw01015615000msxps_rw.img
SUN_POSTN:       282.85d {+18h 51m 23s}  -22.91d {-22d 54' 36"}
SUN_DIST:         63.35 [deg]   Sun_angle= 3.1 [hr] (West of Sun)
MOON_POSTN:      139.93d {+09h 19m 43s}  +20.15d {+20d 09' 16"}
MOON_DIST:       110.67 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:      307.01,-22.92 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.20,-61.80 [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 .  
COMMENTS:        There is a bright star (mag=6.05) 4.44 arcmin from the BAT position.