[vsnet-grb 181271] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 29 Jul 12 11:09:57 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     529095,   Seg_Num: 0
GRB_RA:           13.0745d {+00h 52m 17.88s} (J2000),
                  13.2546d {+00h 53m 01.10s} (current),
                  12.3614d {+00h 49m 26.74s} (1950)
GRB_DEC:         +49.9401d {+49d 56' 24.3"} (J2000),
                 +50.0083d {+50d 00' 29.7"} (current),
                 +49.6685d {+49d 40' 06.6"} (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:  16137 TJD;   211 DOY;   12/07/29
IMG_START_TIME:  39628.00 SOD {11:00:28.00} UT,   253.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       129.12d {+08h 36m 29s}  +18.59d {+18d 35' 21"}
SUN_DIST:         91.23 [deg]   Sun_angle= 7.7 [hr] (West of Sun)
MOON_POSTN:      256.94d {+17h 07m 45s}  -21.49d {-21d 29' 33"}
MOON_DIST:       123.08 [deg]
MOON_ILLUM:      83 [%]
GAL_COORDS:      123.07,-12.93 [deg] galactic lon,lat of the burst
ECL_COORDS:       34.94, 40.11 [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%.