[vsnet-grb 128511] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 27 Jul 10 05:56:23 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     430094,   Seg_Num: 0
GRB_RA:          154.1773d {+10h 16m 42.55s} (J2000),
                 154.3027d {+10h 17m 12.64s} (current),
                 153.5845d {+10h 14m 20.27s} (1950)
GRB_DEC:         -21.3902d {-21d 23' 24.7"} (J2000),
                 -21.4432d {-21d 26' 35.4"} (current),
                 -21.1402d {-21d 08' 24.8"} (1950)
GRB_ERROR:       2.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15404 TJD;   208 DOY;   10/07/27
IMG_START_TIME:  20678.00 SOD {05:44:38.00} UT,   140.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       126.44d {+08h 25m 46s}  +19.23d {+19d 13' 34"}
SUN_DIST:         48.96 [deg]   Sun_angle= -1.9 [hr] (East of Sun)
MOON_POSTN:      318.56d {+21h 14m 15s}  -12.80d {-12d 48' 15"}
MOON_DIST:       142.43 [deg]
MOON_ILLUM:      99 [%]
GAL_COORDS:      261.36, 28.72 [deg] galactic lon,lat of the burst
ECL_COORDS:      164.84,-29.73 [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%.