[vsnet-grb 248458] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 12 Dec 14 12:25:40 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     621229,   Seg_Num: 0
GRB_RA:           39.1246d {+02h 36m 29.90s} (J2000),
                  39.3334d {+02h 37m 20.01s} (current),
                  38.4273d {+02h 33m 42.55s} (1950)
GRB_DEC:         +18.1460d {+18d 08' 45.6"} (J2000),
                 +18.2105d {+18d 12' 37.6"} (current),
                 +17.9290d {+17d 55' 44.2"} (1950)
GRB_ERROR:       3.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17003 TJD;   346 DOY;   14/12/12
IMG_START_TIME:  44123.00 SOD {12:15:23.00} UT,   82.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       259.55d {+17h 18m 12s}  -23.09d {-23d 05' 19"}
SUN_DIST:        142.17 [deg]   Sun_angle= -9.3 [hr] (East of Sun)
MOON_POSTN:      149.44d {+09h 57m 47s}   +8.42d {+08d 25' 21"}
MOON_DIST:       106.10 [deg]
MOON_ILLUM:      69 [%]
GAL_COORDS:      155.21,-38.05 [deg] galactic lon,lat of the burst
ECL_COORDS:       42.44,  2.71 [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%.