[vsnet-grb 195191] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 31 Jan 13 14:08:13 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     547407,   Seg_Num: 0
GRB_RA:          171.1229d {+11h 24m 29.49s} (J2000),
                 171.3029d {+11h 25m 12.70s} (current),
                 170.4325d {+11h 21m 43.78s} (1950)
GRB_DEC:         +48.0762d {+48d 04' 34.3"} (J2000),
                 +48.0042d {+48d 00' 15.1"} (current),
                 +48.3510d {+48d 21' 03.6"} (1950)
GRB_ERROR:       3.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16323 TJD;    31 DOY;   13/01/31
IMG_START_TIME:  50297.00 SOD {13:58:17.00} UT,   115.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       314.33d {+20h 57m 19s}  -17.23d {-17d 13' 45"}
SUN_DIST:        136.94 [deg]   Sun_angle= 9.5 [hr] (West of Sun)
MOON_POSTN:      182.27d {+12h 09m 04s}   -5.10d {-05d 06' 12"}
MOON_DIST:        53.97 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:      156.06, 63.08 [deg] galactic lon,lat of the burst
ECL_COORDS:      149.39, 39.91 [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%.