[vsnet-grb 165369] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 02 Jan 12 02:30:37 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     510922,   Seg_Num: 0
GRB_RA:          276.2246d {+18h 24m 53.90s} (J2000),
                 276.3478d {+18h 25m 23.47s} (current),
                 275.7114d {+18h 22m 50.74s} (1950)
GRB_DEC:         +24.7133d {+24d 42' 47.8"} (J2000),
                 +24.7206d {+24d 43' 14.2"} (current),
                 +24.6844d {+24d 41' 03.6"} (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:  15928 TJD;     2 DOY;   12/01/02
IMG_START_TIME:  8310.00 SOD {02:18:30.00} UT,   155.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       282.05d {+18h 48m 12s}  -22.97d {-22d 58' 29"}
SUN_DIST:         48.02 [deg]   Sun_angle= 0.4 [hr] (West of Sun)
MOON_POSTN:       17.14d {+01h 08m 33s}  +11.88d {+11d 53' 05"}
MOON_DIST:        94.60 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:       52.70, 16.50 [deg] galactic lon,lat of the burst
ECL_COORDS:      278.46, 47.97 [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%.