[vsnet-grb 129305] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 07 Aug 10 09:26:00 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     431128,   Seg_Num: 0
GRB_RA:           55.3014d {+03h 41m 12.33s} (J2000),
                  55.5556d {+03h 42m 13.33s} (current),
                  54.1098d {+03h 36m 26.35s} (1950)
GRB_DEC:         +67.6718d {+67d 40' 18.4"} (J2000),
                 +67.7053d {+67d 42' 19.0"} (current),
                 +67.5109d {+67d 30' 39.3"} (1950)
GRB_ERROR:       2.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15415 TJD;   219 DOY;   10/08/07
IMG_START_TIME:  33322.00 SOD {09:15:22.00} UT,   128.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       137.25d {+09h 08m 59s}  +16.40d {+16d 23' 58"}
SUN_DIST:         71.71 [deg]   Sun_angle= 5.4 [hr] (West of Sun)
MOON_POSTN:       97.39d {+06h 29m 33s}  +23.62d {+23d 37' 27"}
MOON_DIST:        50.97 [deg]
MOON_ILLUM:      11 [%]
GAL_COORDS:      138.02,  9.92 [deg] galactic lon,lat of the burst
ECL_COORDS:       71.72, 46.42 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        This is an Update Notice -- the RA,Dec values herein supersede the previous XRT_POS Notice.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        This position was enhanced using UVOT field astrometry.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.