[vsnet-grb 398173] GCN/SWIFT_XRT_IMAGE_PROCESSED

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 26 Feb 19 06:21:57 UT
NOTICE_TYPE:     Swift-XRT Processed Image
TRIGGER_NUM:     890732,   Seg_Num: 0
GRB_RA:          247.8173d {+16h 31m 16.1s} (J2000),
                 248.1718d {+16h 32m 41.2s} (current),
                 246.8939d {+16h 27m 34.5s} (1950)
GRB_DEC:         -47.8066d {-47d 48' 23.7"} (J2000),
                 -47.8466d {-47d 50' 47.5"} (current),
                 -47.6994d {-47d 41' 57.8"} (1950)
GRB_ERROR:       5.0 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       60 [cnts]
IMG_START_DATE:  18540 TJD;    57 DOY;   19/02/26
IMG_START_TIME:  22876.47 SOD {06:21:16.47} UT,   507.0 [sec] since BAT Trigger Time
CENTROID_X:      331.44,  raw= 331  [pixels]
CENTROID_Y:      275.55,  raw= 276  [pixels]
ROLL:            96.82 [deg]
GAIN:            2
MODE:            2, Short Image mode
WAVEFORM:        134
EXPO_TIME:       0.10 [sec]
GRB_POS_XRT_Y:   -53.84
GRB_POS_XRT_Z:   59.04
IMAGE_URL:       sw00890732000msxps_rw.img
SUN_POSTN:       339.06d {+22h 36m 14s}   -8.81d {-08d 48' 26"}
SUN_DIST:         84.07 [deg]   Sun_angle= 6.1 [hr] (West of Sun)
MOON_POSTN:      243.69d {+16h 14m 45s}  -17.05d {-17d 02' 58"}
MOON_DIST:        31.02 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:      336.29,  0.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      253.67,-25.62 [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 .