[vsnet-grb 312941] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 11 Jan 17 00:46:52 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     731887,   Seg_Num: 0
GRB_RA:           20.6978d {+01h 22m 47.47s} (J2000),
                  20.8945d {+01h 23m 34.68s} (current),
                  20.1196d {+01h 20m 28.70s} (1950)
GRB_DEC:         -32.5658d {-32d 33' 56.8"} (J2000),
                 -32.4772d {-32d 28' 37.8"} (current),
                 -32.8267d {-32d 49' 36.2"} (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:  17764 TJD;    11 DOY;   17/01/11
IMG_START_TIME:  2138.00 SOD {00:35:38.00} UT,   129.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       292.68d {+19h 30m 44s}  -21.80d {-21d 47' 58"}
SUN_DIST:         77.06 [deg]   Sun_angle= -5.9 [hr] (East of Sun)
MOON_POSTN:       91.42d {+06h 05m 40s}  +18.93d {+18d 55' 34"}
MOON_DIST:        84.73 [deg]
MOON_ILLUM:      97 [%]
GAL_COORDS:      253.49,-81.30 [deg] galactic lon,lat of the burst
ECL_COORDS:        4.29,-37.76 [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%.