[vsnet-grb 182002] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 07 Aug 12 07:22:23 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     530267,   Seg_Num: 0
GRB_RA:          241.2593d {+16h 05m 02.23s} (J2000),
                 241.4879d {+16h 05m 57.09s} (current),
                 240.3544d {+16h 01m 25.04s} (1950)
GRB_DEC:         -47.4797d {-47d 28' 46.9"} (J2000),
                 -47.5133d {-47d 30' 47.9"} (current),
                 -47.3439d {-47d 20' 38.0"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16146 TJD;   220 DOY;   12/08/07
IMG_START_TIME:  25868.00 SOD {07:11:08.00} UT,   90.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       137.66d {+09h 10m 38s}  +16.28d {+16d 16' 41"}
SUN_DIST:        111.20 [deg]   Sun_angle= -6.9 [hr] (East of Sun)
MOON_POSTN:       15.17d {+01h 00m 41s}  +10.26d {+10d 15' 28"}
MOON_DIST:       126.18 [deg]
MOON_ILLUM:      73 [%]
GAL_COORDS:      333.36,  3.63 [deg] galactic lon,lat of the burst
ECL_COORDS:      248.78,-26.14 [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%.