[vsnet-grb 395668] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 03 Feb 19 21:28:45 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     887541,   Seg_Num: 0
GRB_RA:          262.2442d {+17h 28m 58.6s} (J2000),
                 262.5661d {+17h 30m 15.8s} (current),
                 261.4018d {+17h 25m 36.4s} (1950)
GRB_DEC:         -36.2421d {-36d 14' 31.5"} (J2000),
                 -36.2561d {-36d 15' 22.1"} (current),
                 -36.2025d {-36d 12' 09.0"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       210 [cnts]
IMG_START_DATE:  18517 TJD;    34 DOY;   19/02/03
IMG_START_TIME:  77290.14 SOD {21:28:10.14} UT,   592.5 [sec] since BAT Trigger Time
CENTROID_X:      404.45,  raw= 404  [pixels]
CENTROID_Y:      396.63,  raw= 397  [pixels]
ROLL:            82.91 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   231.57
GRB_POS_XRT_Z:   231.15
IMAGE_URL:       sw00887541000msxps_rw.img
SUN_POSTN:       317.22d {+21h 08m 54s}  -16.40d {-16d 24' 16"}
SUN_DIST:         52.09 [deg]   Sun_angle= 3.6 [hr] (West of Sun)
MOON_POSTN:      306.56d {+20h 26m 15s}  -19.91d {-19d 54' 49"}
MOON_DIST:        41.68 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:      351.96, -0.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      263.59,-12.98 [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 .  
COMMENTS:        WARNING: The centroided position is more than 100 rows or columns from the center of the FOV.