[vsnet-grb 148193] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 03 May 11 18:04:52 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     452685,   Seg_Num: 0
GRB_RA:          132.7747d {+08h 51m 05.92s} (J2000),
                 132.9795d {+08h 51m 55.08s} (current),
                 131.8678d {+08h 47m 28.28s} (1950)
GRB_DEC:         +52.2077d {+52d 12' 27.7"} (J2000),
                 +52.1648d {+52d 09' 53.1"} (current),
                 +52.3952d {+52d 23' 42.5"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15684 TJD;   123 DOY;   11/05/03
IMG_START_TIME:  64200.00 SOD {17:50:00.00} UT,   854.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        40.51d {+02h 42m 02s}  +15.73d {+15d 43' 40"}
SUN_DIST:         79.13 [deg]   Sun_angle= -6.2 [hr] (East of Sun)
MOON_POSTN:       44.90d {+02h 59m 35s}  +20.20d {+20d 12' 13"}
MOON_DIST:        73.02 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      166.22, 39.22 [deg] galactic lon,lat of the burst
ECL_COORDS:      119.79, 33.10 [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.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.58% < P(seren) < 1.1%.