[vsnet-grb 189246] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 08 Nov 12 18:03:22 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     537921,   Seg_Num: 0
GRB_RA:           83.1937d {+05h 32m 46.48s} (J2000),
                  83.4580d {+05h 33m 49.91s} (current),
                  82.1667d {+05h 28m 40.00s} (1950)
GRB_DEC:         +54.4737d {+54d 28' 25.3"} (J2000),
                 +54.4820d {+54d 28' 55.2"} (current),
                 +54.4382d {+54d 26' 17.6"} (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:  16239 TJD;   313 DOY;   12/11/08
IMG_START_TIME:  64161.00 SOD {17:49:21.00} UT,   101.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       224.27d {+14h 57m 05s}  -16.84d {-16d 50' 13"}
SUN_DIST:        131.82 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      157.11d {+10h 28m 26s}   +4.00d {+04d 00' 12"}
MOON_DIST:        77.29 [deg]
MOON_ILLUM:      33 [%]
GAL_COORDS:      156.86, 11.37 [deg] galactic lon,lat of the burst
ECL_COORDS:       85.38, 31.14 [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%.