[vsnet-grb 215871] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 24 Oct 13 12:39:23 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     575707,   Seg_Num: 0
GRB_RA:          290.4798d {+19h 21m 55.15s} (J2000),
                 290.8083d {+19h 23m 13.98s} (current),
                 289.2867d {+19h 17m 08.80s} (1950)
GRB_DEC:         -64.6029d {-64d 36' 10.4"} (J2000),
                 -64.5758d {-64d 34' 32.8"} (current),
                 -64.6976d {-64d 41' 51.3"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16589 TJD;   297 DOY;   13/10/24
IMG_START_TIME:  44940.00 SOD {12:29:00.00} UT,   159.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       209.12d {+13h 56m 29s}  -11.91d {-11d 54' 46"}
SUN_DIST:         75.69 [deg]   Sun_angle= -5.4 [hr] (East of Sun)
MOON_POSTN:       94.76d {+06h 19m 03s}  +18.91d {+18d 54' 26"}
MOON_DIST:       133.08 [deg]
MOON_ILLUM:      73 [%]
GAL_COORDS:      331.58,-27.55 [deg] galactic lon,lat of the burst
ECL_COORDS:      281.65,-41.99 [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%.