[vsnet-grb 104007] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 28 Jul 09 15:05:39 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     358574,   Seg_Num: 0
GRB_RA:           29.6530d {+01h 58m 36.71s} (J2000),
                  29.7991d {+01h 59m 11.79s} (current),
                  28.8920d {+01h 55m 34.07s} (1950)
GRB_DEC:         +41.6334d {+41d 38' 00.2"} (J2000),
                 +41.6797d {+41d 40' 46.8"} (current),
                 +41.3905d {+41d 23' 25.9"} (1950)
GRB_ERROR:       2.0 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15040 TJD;   209 DOY;   09/07/28
IMG_START_TIME:  53322.00 SOD {14:48:42.00} UT,   176.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       128.03d {+08h 32m 08s}  +18.85d {+18d 51' 11"}
SUN_DIST:         83.48 [deg]   Sun_angle= 6.5 [hr] (West of Sun)
MOON_POSTN:      208.34d {+13h 53m 21s}  -17.31d {-17d 18' 40"}
MOON_DIST:       155.60 [deg]
MOON_ILLUM:      47 [%]
GAL_COORDS:      136.18,-19.50 [deg] galactic lon,lat of the burst
ECL_COORDS:       42.90, 27.55 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        There is a bright star (mag=6.78) 8.37 arcmin from the XRT position.  
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