[vsnet-grb 375657] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 05 Aug 18 09:20:06 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     851829,   Seg_Num: 0
GRB_RA:          167.5646d {+11h 10m 15.50s} (J2000),
                 167.7804d {+11h 11m 07.30s} (current),
                 166.9858d {+11h 07m 56.59s} (1950)
GRB_DEC:         -45.3307d {-45d 19' 50.5"} (J2000),
                 -45.4318d {-45d 25' 54.5"} (current),
                 -45.0591d {-45d 03' 32.8"} (1950)
GRB_ERROR:       3.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18335 TJD;   217 DOY;   18/08/05
IMG_START_TIME:  32785.00 SOD {09:06:25.00} UT,   96.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       135.39d {+09h 01m 34s}  +16.93d {+16d 55' 56"}
SUN_DIST:         68.94 [deg]   Sun_angle= -2.2 [hr] (East of Sun)
MOON_POSTN:       49.58d {+03h 18m 18s}  +12.99d {+12d 59' 07"}
MOON_DIST:       118.90 [deg]
MOON_ILLUM:      43 [%]
GAL_COORDS:      284.90, 13.97 [deg] galactic lon,lat of the burst
ECL_COORDS:      191.85,-45.46 [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%.