[vsnet-grb 170068] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 08 Mar 12 06:33:52 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     517234,   Seg_Num: 0
GRB_RA:          219.0848d {+14h 36m 20.35s} (J2000),
                 219.0067d {+14h 36m 01.60s} (current),
                 219.4227d {+14h 37m 41.44s} (1950)
GRB_DEC:         +79.6868d {+79d 41' 12.4"} (J2000),
                 +79.6341d {+79d 38' 02.8"} (current),
                 +79.9024d {+79d 54' 08.6"} (1950)
GRB_ERROR:       2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15994 TJD;    68 DOY;   12/03/08
IMG_START_TIME:  22709.00 SOD {06:18:29.00} UT,   290.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       349.05d {+23h 16m 12s}   -4.71d {-04d 42' 24"}
SUN_DIST:        101.31 [deg]   Sun_angle= 8.7 [hr] (West of Sun)
MOON_POSTN:      165.55d {+11h 02m 11s}   +0.81d {+00d 48' 52"}
MOON_DIST:        83.04 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      117.30, 36.27 [deg] galactic lon,lat of the burst
ECL_COORDS:      115.77, 71.36 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        There is a bright star (mag=6.26) 7.43 arcmin from the XRT position.  
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%.