[vsnet-grb 241560] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 16 Sep 14 11:06:53 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     612804,   Seg_Num: 0
GRB_RA:           40.3997d {+02h 41m 35.92s} (J2000),
                  40.5441d {+02h 42m 10.58s} (current),
                  39.9087d {+02h 39m 38.09s} (1950)
GRB_DEC:         -39.6865d {-39d 41' 11.4"} (J2000),
                 -39.6242d {-39d 37' 27.1"} (current),
                 -39.8993d {-39d 53' 57.4"} (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:  16916 TJD;   259 DOY;   14/09/16
IMG_START_TIME:  39014.00 SOD {10:50:14.00} UT,   386.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       174.04d {+11h 36m 10s}   +2.58d {+02d 34' 35"}
SUN_DIST:        123.94 [deg]   Sun_angle= 8.9 [hr] (West of Sun)
MOON_POSTN:       87.81d {+05h 51m 14s}  +18.55d {+18d 32' 50"}
MOON_DIST:        72.98 [deg]
MOON_ILLUM:      46 [%]
GAL_COORDS:      248.79,-63.96 [deg] galactic lon,lat of the burst
ECL_COORDS:       19.16,-51.65 [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%.