[vsnet-grb 256147] GCN/SWIFT_XRT_IMAGE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 18 Mar 15 07:07:57 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     635289,   Seg_Num: 0
GRB_RA:          325.0056d {+21h 40m 01.3s} (J2000),
                 325.2893d {+21h 41m 09.4s} (current),
                 324.0667d {+21h 36m 16.0s} (1950)
GRB_DEC:         -61.4559d {-61d 27' 21.2"} (J2000),
                 -61.3864d {-61d 23' 11.1"} (current),
                 -61.6827d {-61d 40' 57.5"} (1950)
GRB_ERROR:       4.7 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       236 [cnts]
IMG_START_DATE:  17099 TJD;    77 DOY;   15/03/18
IMG_START_TIME:  25634.57 SOD {07:07:14.57} UT,   141.3 [sec] since BAT Trigger Time
CENTROID_X:      278.22,  raw= 278  [pixels]
CENTROID_Y:      289.12,  raw= 289  [pixels]
ROLL:            36.40 [deg]
GAIN:            4
MODE:            3, Long Image mode
WAVEFORM:        134
EXPO_TIME:       2.50 [sec]
GRB_POS_XRT_Y:   -20.46
GRB_POS_XRT_Z:   -63.83
IMAGE_URL:       sw00635289000msxps_rw.img
SUN_POSTN:       357.58d {+23h 50m 20s}   -1.05d {-01d 02' 47"}
SUN_DIST:         65.12 [deg]   Sun_angle= 2.2 [hr] (West of Sun)
MOON_POSTN:      328.79d {+21h 55m 09s}   -9.01d {-09d 00' 31"}
MOON_DIST:        52.44 [deg]
MOON_ILLUM:      7 [%]
GAL_COORDS:      332.07,-43.31 [deg] galactic lon,lat of the burst
ECL_COORDS:      303.08,-44.18 [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 .