[vsnet-grb 74843] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 04 Jun 08 07:45:20 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     313116,   Seg_Num: 0
GRB_RA:          236.9651d {+15h 47m 51.6s} (J2000),
                 237.0583d {+15h 48m 13.9s} (current),
                 236.4122d {+15h 45m 38.9s} (1950)
GRB_DEC:         +20.5582d {+20d 33' 29.5"} (J2000),
                 +20.5327d {+20d 31' 57.5"} (current),
                 +20.7111d {+20d 42' 39.9"} (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:  14621 TJD;   156 DOY;   08/06/04
IMG_START_TIME:  27206.00 SOD {07:33:26.00} UT,   384.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        72.71d {+04h 50m 51s}  +22.49d {+22d 29' 10"}
SUN_DIST:        134.35 [deg]   Sun_angle= -11.0 [hr] (East of Sun)
MOON_POSTN:       80.41d {+05h 21m 38s}  +27.47d {+27d 28' 29"}
MOON_DIST:       126.94 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:       33.46, 49.33 [deg] galactic lon,lat of the burst
ECL_COORDS:      228.67, 39.38 [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