[vsnet-grb 192084] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 17 Dec 12 07:32:40 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     542441,   Seg_Num: 0
GRB_RA:          153.7095d {+10h 14m 50.27s} (J2000),
                 153.8146d {+10h 15m 15.50s} (current),
                 153.3048d {+10h 13m 13.14s} (1950)
GRB_DEC:         -62.3504d {-62d 21' 01.4"} (J2000),
                 -62.4151d {-62d 24' 54.4"} (current),
                 -62.1012d {-62d 06' 04.4"} (1950)
GRB_ERROR:       2.1 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16278 TJD;   352 DOY;   12/12/17
IMG_START_TIME:  26425.00 SOD {07:20:25.00} UT,   157.1 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       265.39d {+17h 41m 33s}  -23.37d {-23d 22' 09"}
SUN_DIST:         78.74 [deg]   Sun_angle= 7.4 [hr] (West of Sun)
MOON_POSTN:      320.75d {+21h 23m 00s}   -9.90d {-09d 54' 15"}
MOON_DIST:       106.97 [deg]
MOON_ILLUM:      21 [%]
GAL_COORDS:      285.83, -4.80 [deg] galactic lon,lat of the burst
ECL_COORDS:      201.49,-63.44 [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%.