[vsnet-grb 355649] GCN/SWIFT_XRT_IMAGE_PROCESSED

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 08 Feb 18 23:06:04 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     809217,   Seg_Num: 0
GRB_RA:           20.7371d {+01h 22m 56.9s} (J2000),
                  20.9738d {+01h 23m 53.7s} (current),
                  20.0842d {+01h 20m 20.1s} (1950)
GRB_DEC:          +7.4200d {+07d 25' 11.9"} (J2000),
                  +7.5142d {+07d 30' 51.1"} (current),
                  +7.1591d {+07d 09' 32.6"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       178 [cnts]
IMG_START_DATE:  18157 TJD;    39 DOY;   18/02/08
IMG_START_TIME:  83126.85 SOD {23:05:26.85} UT,   387.3 [sec] since BAT Trigger Time
CENTROID_X:      254.13,  raw= 254  [pixels]
CENTROID_Y:      288.21,  raw= 288  [pixels]
ROLL:            248.82 [deg]
GAIN:            2
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -24.01
GRB_POS_XRT_Z:   -123.21
IMAGE_URL:       sw00809217000msxps_rw.img
SUN_POSTN:       322.55d {+21h 30m 11s}  -14.77d {-14d 46' 04"}
SUN_DIST:         62.06 [deg]   Sun_angle= -3.9 [hr] (East of Sun)
MOON_POSTN:      243.60d {+16h 14m 23s}  -16.12d {-16d 06' 55"}
MOON_DIST:       137.49 [deg]
MOON_ILLUM:      38 [%]
GAL_COORDS:      136.51,-54.62 [deg] galactic lon,lat of the burst
ECL_COORDS:       21.94, -1.21 [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 .