[vsnet-grb 126093] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 21 Jun 10 03:24:41 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     425151,   Seg_Num: 0
GRB_RA:          315.3050d {+21h 01m 13.20s} (J2000),
                 315.4898d {+21h 01m 57.55s} (current),
                 314.4190d {+20h 57m 40.56s} (1950)
GRB_DEC:         -51.1062d {-51d 06' 22.3"} (J2000),
                 -51.0647d {-51d 03' 52.9"} (current),
                 -51.3026d {-51d 18' 09.3"} (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:  15368 TJD;   172 DOY;   10/06/21
IMG_START_TIME:  11420.00 SOD {03:10:20.00} UT,   407.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        89.64d {+05h 58m 34s}  +23.44d {+23d 26' 13"}
SUN_DIST:        135.32 [deg]   Sun_angle= 8.9 [hr] (West of Sun)
MOON_POSTN:      201.18d {+13h 24m 42s}  -14.47d {-14d 28' 06"}
MOON_DIST:        93.22 [deg]
MOON_ILLUM:      71 [%]
GAL_COORDS:      347.44,-40.90 [deg] galactic lon,lat of the burst
ECL_COORDS:      301.98,-32.58 [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%.