[vsnet-grb 185642] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 22 Sep 12 22:52:56 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     534394,   Seg_Num: 0
GRB_RA:          234.7480d {+15h 39m 00.48s} (J2000),
                 234.9324d {+15h 39m 43.77s} (current),
                 234.0246d {+15h 36m 05.91s} (1950)
GRB_DEC:         -20.1822d {-20d 10' 55.9"} (J2000),
                 -20.2230d {-20d 13' 22.8"} (current),
                 -20.0201d {-20d 01' 12.2"} (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:  16192 TJD;   266 DOY;   12/09/22
IMG_START_TIME:  81608.00 SOD {22:40:08.00} UT,   579.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       180.30d {+12h 01m 11s}   -0.13d {-00d 07' 42"}
SUN_DIST:         57.05 [deg]   Sun_angle= -3.6 [hr] (East of Sun)
MOON_POSTN:      272.26d {+18h 09m 01s}  -20.59d {-20d 35' 13"}
MOON_DIST:        34.91 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:      347.98, 27.68 [deg] galactic lon,lat of the burst
ECL_COORDS:      237.20, -0.67 [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%.