[vsnet-grb 268941] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 17 Aug 15 03:16:29 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     652334,   Seg_Num: 0
GRB_RA:          249.6330d {+16h 38m 31.92s} (J2000),
                 249.8506d {+16h 39m 24.15s} (current),
                 248.9371d {+16h 35m 44.90s} (1950)
GRB_DEC:         -12.0530d {-12d 03' 10.8"} (J2000),
                 -12.0831d {-12d 04' 59.2"} (current),
                 -11.9545d {-11d 57' 16.2"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17251 TJD;   229 DOY;   15/08/17
IMG_START_TIME:  7619.00 SOD {02:06:59.00} UT,   105.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       146.25d {+09h 44m 59s}  +13.54d {+13d 32' 35"}
SUN_DIST:        105.82 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:      171.99d {+11h 27m 58s}   +2.58d {+02d 34' 53"}
MOON_DIST:        78.70 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:        5.19, 22.44 [deg] galactic lon,lat of the burst
ECL_COORDS:      249.78,  9.97 [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%.