[vsnet-grb 165157] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 29 Dec 11 22:53:13 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     510736,   Seg_Num: 0
GRB_RA:           76.2884d {+05h 05m 09.21s} (J2000),
                  75.7433d {+05h 02m 58.38s} (current),
                  78.6001d {+05h 14m 24.01s} (1950)
GRB_DEC:         -84.7108d {-84d 42' 38.8"} (J2000),
                 -84.6947d {-84d 41' 40.7"} (current),
                 -84.7714d {-84d 46' 17.0"} (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:  15924 TJD;   363 DOY;   11/12/29
IMG_START_TIME:  81568.00 SOD {22:39:28.00} UT,   95.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       278.57d {+18h 34m 16s}  -23.20d {-23d 12' 12"}
SUN_DIST:         71.70 [deg]   Sun_angle= -10.5 [hr] (East of Sun)
MOON_POSTN:      341.63d {+22h 46m 30s}   -2.12d {-02d 07' 03"}
MOON_DIST:        88.27 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:      297.50,-29.39 [deg] galactic lon,lat of the burst
ECL_COORDS:      273.98,-71.66 [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%.