[vsnet-grb 337064] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Aug 17 09:32:02 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     768939,   Seg_Num: 0
GRB_RA:           94.3868d {+06h 17m 32.83s} (J2000),
                  94.7526d {+06h 19m 00.62s} (current),
                  93.3494d {+06h 13m 23.85s} (1950)
GRB_DEC:         +55.0039d {+55d 00' 14.0"} (J2000),
                 +54.9961d {+54d 59' 45.8"} (current),
                 +55.0227d {+55d 01' 21.6"} (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:  17987 TJD;   234 DOY;   17/08/22
IMG_START_TIME:  33329.00 SOD {09:15:29.00} UT,   217.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       151.60d {+10h 06m 24s}  +11.65d {+11d 38' 59"}
SUN_DIST:         61.79 [deg]   Sun_angle= 3.8 [hr] (West of Sun)
MOON_POSTN:      159.71d {+10h 38m 51s}   +9.93d {+09d 55' 44"}
MOON_DIST:        67.64 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      159.40, 17.36 [deg] galactic lon,lat of the burst
ECL_COORDS:       92.95, 31.61 [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%.