[vsnet-grb 153095] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 09 Jul 11 15:43:07 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     456939,   Seg_Num: 0
GRB_RA:          238.8908d {+15h 55m 33.79s} (J2000),
                 238.9908d {+15h 55m 57.78s} (current),
                 238.4570d {+15h 53m 49.67s} (1950)
GRB_DEC:         +40.9245d {+40d 55' 28.2"} (J2000),
                 +40.8914d {+40d 53' 29.0"} (current),
                 +41.0692d {+41d 04' 09.2"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15751 TJD;   190 DOY;   11/07/09
IMG_START_TIME:  56106.00 SOD {15:35:06.00} UT,   636.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       108.53d {+07h 14m 08s}  +22.34d {+22d 20' 39"}
SUN_DIST:        101.82 [deg]   Sun_angle= -8.7 [hr] (East of Sun)
MOON_POSTN:      211.77d {+14h 07m 04s}  -16.99d {-16d 59' 40"}
MOON_DIST:        63.16 [deg]
MOON_ILLUM:      66 [%]
GAL_COORDS:       65.23, 49.96 [deg] galactic lon,lat of the burst
ECL_COORDS:      220.46, 59.13 [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%.