[vsnet-grb 349580] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 12 Dec 17 11:59:29 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     796778,   Seg_Num: 0
GRB_RA:          293.9196d {+19h 35m 40.7s} (J2000),
                 294.1152d {+19h 36m 27.6s} (current),
                 293.3746d {+19h 33m 29.9s} (1950)
GRB_DEC:         +20.5933d {+20d 35' 35.8"} (J2000),
                 +20.6340d {+20d 38' 02.2"} (current),
                 +20.4816d {+20d 28' 53.8"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       217 [cnts]
IMG_START_DATE:  18099 TJD;   346 DOY;   17/12/12
IMG_START_TIME:  43132.75 SOD {11:58:52.75} UT,   91.1 [sec] since BAT Trigger Time
CENTROID_X:      320.72,  raw= 321  [pixels]
CENTROID_Y:      298.90,  raw= 299  [pixels]
ROLL:            219.08 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   1.19
GRB_POS_XRT_Z:   33.76
IMAGE_URL:       sw00796778000msxps_rw.img
SUN_POSTN:       259.83d {+17h 19m 19s}  -23.11d {-23d 06' 24"}
SUN_DIST:         55.05 [deg]   Sun_angle= -2.3 [hr] (East of Sun)
MOON_POSTN:      196.88d {+13h 07m 30s}   -2.40d {-02d 23' 50"}
MOON_DIST:        97.62 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:       56.19,  0.03 [deg] galactic lon,lat of the burst
ECL_COORDS:      300.47, 41.54 [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 .