[vsnet-grb 344819] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Oct 17 08:25:11 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     783479,   Seg_Num: 0
GRB_RA:           61.6900d {+04h 06m 45.5s} (J2000),
                  61.9144d {+04h 07m 39.4s} (current),
                  61.0610d {+04h 04m 14.6s} (1950)
GRB_DEC:          -2.6221d {-02d 37' 19.5"} (J2000),
                  -2.5752d {-02d 34' 30.7"} (current),
                  -2.7555d {-02d 45' 19.7"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       290 [cnts]
IMG_START_DATE:  18053 TJD;   300 DOY;   17/10/27
IMG_START_TIME:  30274.18 SOD {08:24:34.18} UT,   87.6 [sec] since BAT Trigger Time
CENTROID_X:      304.88,  raw= 305  [pixels]
CENTROID_Y:      279.35,  raw= 279  [pixels]
ROLL:            118.32 [deg]
GAIN:            8
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -44.89
GRB_POS_XRT_Z:   -3.56
IMAGE_URL:       sw00783479000msxps_rw.img
SUN_POSTN:       211.86d {+14h 07m 26s}  -12.89d {-12d 53' 15"}
SUN_DIST:        146.39 [deg]   Sun_angle= 10.0 [hr] (West of Sun)
MOON_POSTN:      299.45d {+19h 57m 49s}  -18.67d {-18d 40' 11"}
MOON_DIST:       119.58 [deg]
MOON_ILLUM:      44 [%]
GAL_COORDS:      193.92,-37.31 [deg] galactic lon,lat of the burst
ECL_COORDS:       59.01,-23.07 [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 .