[vsnet-grb 190962] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 01 Dec 12 12:38:56 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     540178,   Seg_Num: 0
GRB_RA:           13.4679d {+00h 53m 52.29s} (J2000),
                  13.6178d {+00h 54m 28.26s} (current),
                  12.8867d {+00h 51m 32.81s} (1950)
GRB_DEC:         -42.9438d {-42d 56' 37.6"} (J2000),
                 -42.8739d {-42d 52' 25.9"} (current),
                 -43.2149d {-43d 12' 53.5"} (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:  16262 TJD;   336 DOY;   12/12/01
IMG_START_TIME:  44893.00 SOD {12:28:13.00} UT,   150.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       248.07d {+16h 32m 17s}  -21.91d {-21d 54' 25"}
SUN_DIST:         98.13 [deg]   Sun_angle= -8.4 [hr] (East of Sun)
MOON_POSTN:      102.01d {+06h 48m 02s}  +19.21d {+19d 12' 46"}
MOON_DIST:       101.80 [deg]
MOON_ILLUM:      93 [%]
GAL_COORDS:      301.30,-74.18 [deg] galactic lon,lat of the burst
ECL_COORDS:      350.86,-43.86 [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%.