[vsnet-grb 193226] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 02 Jan 13 18:24:42 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     544784,   Seg_Num: 0
GRB_RA:          311.4232d {+20h 45m 41.56s} (J2000),
                 311.5255d {+20h 46m 06.13s} (current),
                 311.0298d {+20h 44m 07.15s} (1950)
GRB_DEC:         +49.8173d {+49d 49' 02.2"} (J2000),
                 +49.8653d {+49d 51' 54.9"} (current),
                 +49.6338d {+49d 38' 01.7"} (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:  16294 TJD;     2 DOY;   13/01/02
IMG_START_TIME:  65645.00 SOD {18:14:05.00} UT,   191.1 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       283.61d {+18h 54m 27s}  -22.85d {-22d 50' 48"}
SUN_DIST:         76.82 [deg]   Sun_angle= -1.9 [hr] (East of Sun)
MOON_POSTN:      162.66d {+10h 50m 39s}   +2.07d {+02d 03' 57"}
MOON_DIST:       121.59 [deg]
MOON_ILLUM:      75 [%]
GAL_COORDS:       88.30,  4.23 [deg] galactic lon,lat of the burst
ECL_COORDS:      341.84, 63.30 [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%.