[vsnet-grb 230781] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 02 May 14 08:57:33 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     597841,   Seg_Num: 0
GRB_RA:          319.1875d {+21h 16m 45.00s} (J2000),
                 319.3112d {+21h 17m 14.69s} (current),
                 318.7562d {+21h 15m 01.49s} (1950)
GRB_DEC:         +48.9701d {+48d 58' 12.3"} (J2000),
                 +49.0305d {+49d 01' 49.9"} (current),
                 +48.7601d {+48d 45' 36.2"} (1950)
GRB_ERROR:       2.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16779 TJD;   122 DOY;   14/05/02
IMG_START_TIME:  30714.00 SOD {08:31:54.00} UT,   93.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        39.45d {+02h 37m 48s}  +15.40d {+15d 24' 02"}
SUN_DIST:         72.01 [deg]   Sun_angle= 5.3 [hr] (West of Sun)
MOON_POSTN:       78.46d {+05h 13m 51s}  +18.87d {+18d 52' 21"}
MOON_DIST:        93.32 [deg]
MOON_ILLUM:      10 [%]
GAL_COORDS:       91.00, -0.12 [deg] galactic lon,lat of the burst
ECL_COORDS:      349.33, 59.63 [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 0.58% < P(seren) < 1.1%.