[vsnet-grb 188607] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 31 Oct 12 23:17:37 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     537195,   Seg_Num: 0
GRB_RA:          170.7704d {+11h 23m 04.89s} (J2000),
                 170.9341d {+11h 23m 44.19s} (current),
                 170.1326d {+11h 20m 31.82s} (1950)
GRB_DEC:          -3.5171d {-03d 31' 01.5"} (J2000),
                  -3.5876d {-03d 35' 15.5"} (current),
                  -3.2426d {-03d 14' 33.1"} (1950)
GRB_ERROR:       2.0 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16231 TJD;   305 DOY;   12/10/31
IMG_START_TIME:  82574.00 SOD {22:56:14.00} UT,   343.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       216.55d {+14h 26m 12s}  -14.48d {-14d 28' 33"}
SUN_DIST:         46.25 [deg]   Sun_angle= 3.0 [hr] (West of Sun)
MOON_POSTN:       60.36d {+04h 01m 27s}  +20.01d {+20d 00' 35"}
MOON_DIST:       110.54 [deg]
MOON_ILLUM:      96 [%]
GAL_COORDS:      264.69, 52.67 [deg] galactic lon,lat of the burst
ECL_COORDS:      172.91, -6.89 [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 0.11% < P(seren) < 0.58%.