[vsnet-grb 128341] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Jul 10 07:27:33 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     429954,   Seg_Num: 0
GRB_RA:          166.4815d {+11h 05m 55.56s} (J2000),
                 166.6099d {+11h 06m 26.38s} (current),
                 165.8742d {+11h 03m 29.80s} (1950)
GRB_DEC:         -26.6703d {-26d 40' 13.0"} (J2000),
                 -26.7275d {-26d 43' 38.9"} (current),
                 -26.4000d {-26d 23' 59.8"} (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:  15402 TJD;   206 DOY;   10/07/25
IMG_START_TIME:  26239.00 SOD {07:17:19.00} UT,   266.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       124.53d {+08h 18m 08s}  +19.65d {+19d 39' 12"}
SUN_DIST:         61.77 [deg]   Sun_angle= -2.8 [hr] (East of Sun)
MOON_POSTN:      295.46d {+19h 41m 50s}  -20.23d {-20d 13' 32"}
MOON_DIST:       111.73 [deg]
MOON_ILLUM:      99 [%]
GAL_COORDS:      275.49, 30.52 [deg] galactic lon,lat of the burst
ECL_COORDS:      179.14,-29.66 [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%.