[vsnet-grb 72586] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 30 Apr 08 20:06:02 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     310613,   Seg_Num: 0
GRB_RA:          165.3105d {+11h 01m 14.5s} (J2000),
                 165.4320d {+11h 01m 43.6s} (current),
                 164.5780d {+10h 58m 18.7s} (1950)
GRB_DEC:         +51.6856d {+51d 41' 08.1"} (J2000),
                 +51.6407d {+51d 38' 26.6"} (current),
                 +51.9544d {+51d 57' 16.0"} (1950)
GRB_ERROR:       2.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  14586 TJD;   121 DOY;   08/04/30
IMG_START_TIME:  71723.00 SOD {19:55:23.00} UT,   140.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        38.41d {+02h 33m 39s}  +15.08d {+15d 04' 32"}
SUN_DIST:         99.02 [deg]   Sun_angle= -8.5 [hr] (East of Sun)
MOON_POSTN:      338.84d {+22h 35m 22s}   -7.56d {-07d 33' 45"}
MOON_DIST:       135.59 [deg]
MOON_ILLUM:      27 [%]
GAL_COORDS:      155.57, 57.89 [deg] galactic lon,lat of the burst
ECL_COORDS:      142.73, 41.10 [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