[vsnet-grb 124323] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 26 May 10 16:47:59 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     423181,   Seg_Num: 0
GRB_RA:          230.7687d {+15h 23m 04.48s} (J2000),
                 230.8804d {+15h 23m 31.30s} (current),
                 230.2317d {+15h 20m 55.59s} (1950)
GRB_DEC:         +25.6326d {+25d 37' 57.3"} (J2000),
                 +25.5960d {+25d 35' 45.7"} (current),
                 +25.8097d {+25d 48' 34.8"} (1950)
GRB_ERROR:       2.1 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15342 TJD;   146 DOY;   10/05/26
IMG_START_TIME:  59562.00 SOD {16:32:42.00} UT,   391.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        63.41d {+04h 13m 38s}  +21.19d {+21d 11' 20"}
SUN_DIST:        131.66 [deg]   Sun_angle= -11.2 [hr] (East of Sun)
MOON_POSTN:      225.96d {+15h 03m 50s}  -21.53d {-21d 31' 48"}
MOON_DIST:        47.37 [deg]
MOON_ILLUM:      98 [%]
GAL_COORDS:       39.18, 56.13 [deg] galactic lon,lat of the burst
ECL_COORDS:      219.42, 42.43 [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 0.11% < P(seren) < 0.58%.