[vsnet-grb 194587] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Jan 13 23:58:48 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     546731,   Seg_Num: 0
GRB_RA:          194.2853d {+12h 57m 08.47s} (J2000),
                 194.4227d {+12h 57m 41.44s} (current),
                 193.7577d {+12h 55m 01.85s} (1950)
GRB_DEC:         +59.0148d {+59d 00' 53.2"} (J2000),
                 +58.9444d {+58d 56' 39.6"} (current),
                 +59.2849d {+59d 17' 05.6"} (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:  16314 TJD;    22 DOY;   13/01/22
IMG_START_TIME:  85623.00 SOD {23:47:03.00} UT,   173.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       305.43d {+20h 21m 44s}  -19.45d {-19d 27' 15"}
SUN_DIST:        117.37 [deg]   Sun_angle= 7.4 [hr] (West of Sun)
MOON_POSTN:       75.68d {+05h 02m 42s}  +20.86d {+20d 51' 53"}
MOON_DIST:        85.80 [deg]
MOON_ILLUM:      85 [%]
GAL_COORDS:      121.54, 58.10 [deg] galactic lon,lat of the burst
ECL_COORDS:      155.78, 56.83 [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%.