[vsnet-grb 166347] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 16 Jan 12 18:19:40 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     511866,   Seg_Num: 0
GRB_RA:           16.2417d {+01h 04m 58.00s} (J2000),
                  16.4087d {+01h 05m 38.08s} (current),
                  15.5501d {+01h 02m 12.03s} (1950)
GRB_DEC:         +33.9301d {+33d 55' 48.3"} (J2000),
                 +33.9944d {+33d 59' 39.9"} (current),
                 +33.6623d {+33d 39' 44.4"} (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:  15942 TJD;    16 DOY;   12/01/16
IMG_START_TIME:  65357.00 SOD {18:09:17.00} UT,   168.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       298.01d {+19h 52m 03s}  -20.94d {-20d 56' 32"}
SUN_DIST:         92.53 [deg]   Sun_angle= -5.2 [hr] (East of Sun)
MOON_POSTN:      207.61d {+13h 50m 27s}  -15.08d {-15d 05' 01"}
MOON_DIST:       158.55 [deg]
MOON_ILLUM:      46 [%]
GAL_COORDS:      126.14,-28.86 [deg] galactic lon,lat of the burst
ECL_COORDS:       28.63, 24.82 [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 0.11% < P(seren) < 0.58%.