[vsnet-grb 335336] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Aug 17 12:20:10 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     766194,   Seg_Num: 0
GRB_RA:            6.3928d {+00h 25m 34.27s} (J2000),
                   6.5947d {+00h 26m 22.73s} (current),
                   5.8156d {+00h 23m 15.73s} (1950)
GRB_DEC:         -64.7840d {-64d 47' 02.4"} (J2000),
                 -64.6867d {-64d 41' 12.1"} (current),
                 -65.0608d {-65d 03' 38.9"} (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:  17969 TJD;   216 DOY;   17/08/04
IMG_START_TIME:  43538.00 SOD {12:05:38.00} UT,   240.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       134.78d {+08h 59m 08s}  +17.10d {+17d 06' 12"}
SUN_DIST:        121.23 [deg]   Sun_angle= 8.5 [hr] (West of Sun)
MOON_POSTN:      276.25d {+18h 25m 00s}  -19.32d {-19d 19' 05"}
MOON_DIST:        72.75 [deg]
MOON_ILLUM:      90 [%]
GAL_COORDS:      307.41,-52.12 [deg] galactic lon,lat of the burst
ECL_COORDS:      323.23,-58.09 [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%.