[vsnet-grb 277847] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 05 Dec 15 15:58:36 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     666352,   Seg_Num: 0
GRB_RA:          229.2891d {+15h 17m 09.38s} (J2000),
                 229.4448d {+15h 17m 46.74s} (current),
                 228.8004d {+15h 15m 12.10s} (1950)
GRB_DEC:         +35.7438d {+35d 44' 37.6"} (J2000),
                 +35.6861d {+35d 41' 09.8"} (current),
                 +35.9263d {+35d 55' 34.6"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17361 TJD;   339 DOY;   15/12/05
IMG_START_TIME:  56994.00 SOD {15:49:54.00} UT,   233.1 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       251.77d {+16h 47m 06s}  -22.38d {-22d 22' 44"}
SUN_DIST:         61.79 [deg]   Sun_angle= 1.5 [hr] (West of Sun)
MOON_POSTN:      188.20d {+12h 32m 49s}   -2.58d {-02d 34' 52"}
MOON_DIST:        54.28 [deg]
MOON_ILLUM:      29 [%]
GAL_COORDS:       57.67, 57.95 [deg] galactic lon,lat of the burst
ECL_COORDS:      212.10, 51.32 [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 0.11% < P(seren) < 0.58%.