[vsnet-grb 191549] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 09 Dec 12 22:24:11 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     540964,   Seg_Num: 0
GRB_RA:          326.7875d {+21h 47m 09.00s} (J2000),
                 326.9590d {+21h 47m 50.15s} (current),
                 326.1244d {+21h 44m 29.85s} (1950)
GRB_DEC:          -8.2344d {-08d 14' 03.8"} (J2000),
                  -8.1741d {-08d 10' 26.6"} (current),
                  -8.4664d {-08d 27' 59.1"} (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:  16270 TJD;   344 DOY;   12/12/09
IMG_START_TIME:  79261.00 SOD {22:01:01.00} UT,   109.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       257.24d {+17h 08m 57s}  -22.92d {-22d 55' 06"}
SUN_DIST:         68.20 [deg]   Sun_angle= -4.6 [hr] (East of Sun)
MOON_POSTN:      207.55d {+13h 50m 11s}  -13.61d {-13d 36' 52"}
MOON_DIST:       116.04 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:       47.53,-42.56 [deg] galactic lon,lat of the burst
ECL_COORDS:      326.20,  4.83 [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%.