[vsnet-grb 123022] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 08 May 10 09:35:14 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     421386,   Seg_Num: 0
GRB_RA:           76.2455d {+05h 04m 58.92s} (J2000),
                  76.3569d {+05h 05m 25.66s} (current),
                  75.7073d {+05h 02m 49.74s} (1950)
GRB_DEC:         -20.7114d {-20d 42' 41.0"} (J2000),
                 -20.6978d {-20d 41' 51.9"} (current),
                 -20.7789d {-20d 46' 43.9"} (1950)
GRB_ERROR:       2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15324 TJD;   128 DOY;   10/05/08
IMG_START_TIME:  33820.00 SOD {09:23:40.00} UT,   177.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        45.23d {+03h 00m 56s}  +17.11d {+17d 06' 27"}
SUN_DIST:         48.59 [deg]   Sun_angle= -2.1 [hr] (East of Sun)
MOON_POSTN:      341.55d {+22h 46m 12s}   -3.16d {-03d 09' 32"}
MOON_DIST:        93.37 [deg]
MOON_ILLUM:      30 [%]
GAL_COORDS:      221.35,-32.29 [deg] galactic lon,lat of the burst
ECL_COORDS:       72.21,-43.30 [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%.