[vsnet-grb 93652] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Mar 09 23:49:41 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     345945,   Seg_Num: 0
GRB_RA:          284.9730d {+18h 59m 53.52s} (J2000),
                 285.1140d {+19h 00m 27.36s} (current),
                 284.2051d {+18h 56m 49.23s} (1950)
GRB_DEC:         -25.2610d {-25d 15' 39.5"} (J2000),
                 -25.2477d {-25d 14' 51.8"} (current),
                 -25.3311d {-25d 19' 52.0"} (1950)
GRB_ERROR:       3.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  14899 TJD;    68 DOY;   09/03/09
IMG_START_TIME:  84642.00 SOD {23:30:42.00} UT,   88.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       350.38d {+23h 21m 32s}   -4.14d {-04d 08' 27"}
SUN_DIST:         65.91 [deg]   Sun_angle= 4.4 [hr] (West of Sun)
MOON_POSTN:      156.02d {+10h 24m 04s}   +7.44d {+07d 26' 11"}
MOON_DIST:       128.38 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:       10.96,-12.96 [deg] galactic lon,lat of the burst
ECL_COORDS:      283.53, -2.52 [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