[vsnet-grb 285431] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 05 Mar 16 20:45:35 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     677890,   Seg_Num: 0
GRB_RA:          279.9881d {+18h 39m 57.1s} (J2000),
                 280.1875d {+18h 40m 45.0s} (current),
                 279.3716d {+18h 37m 29.1s} (1950)
GRB_DEC:          +5.0343d {+05d 02' 03.4"} (J2000),
                  +5.0501d {+05d 03' 00.2"} (current),
                  +4.9875d {+04d 59' 14.9"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       143 [cnts]
IMG_START_DATE:  17452 TJD;    65 DOY;   16/03/05
IMG_START_TIME:  74692.54 SOD {20:44:52.54} UT,   140.5 [sec] since BAT Trigger Time
CENTROID_X:      104.78,  raw= 105  [pixels]
CENTROID_Y:      203.66,  raw= 204  [pixels]
ROLL:            98.22 [deg]
GAIN:            2
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -221.90
GRB_POS_XRT_Z:   -472.66
IMAGE_URL:       sw00677890000msxps_rw.img
SUN_POSTN:       346.85d {+23h 07m 24s}   -5.63d {-05d 37' 56"}
SUN_DIST:         67.41 [deg]   Sun_angle= 4.4 [hr] (West of Sun)
MOON_POSTN:      303.90d {+20h 15m 35s}  -15.74d {-15d 44' 05"}
MOON_DIST:        31.35 [deg]
MOON_ILLUM:      14 [%]
GAL_COORDS:       36.12,  4.84 [deg] galactic lon,lat of the burst
ECL_COORDS:      281.29, 28.08 [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.