[vsnet-grb 473456] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 05 Feb 21 11:20:07 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1030629,   Seg_Num: 0
GRB_RA:          347.2214d {+23h 08m 53.13s} (J2000),
                 347.4530d {+23h 09m 48.73s} (current),
                 346.6747d {+23h 06m 41.91s} (1950)
GRB_DEC:         +56.2942d {+56d 17' 39.1"} (J2000),
                 +56.4088d {+56d 24' 31.6"} (current),
                 +56.0230d {+56d 01' 22.7"} (1950)
GRB_ERROR:       2.6 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19250 TJD;    36 DOY;   21/02/05
IMG_START_TIME:  40420.00 SOD {11:13:40.00} UT,   142.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       319.33d {+21h 17m 20s}  -15.77d {-15d 46' 28"}
SUN_DIST:         75.93 [deg]   Sun_angle= -1.9 [hr] (East of Sun)
MOON_POSTN:      234.61d {+15h 38m 26s}  -17.53d {-17d 31' 40"}
MOON_DIST:       117.11 [deg]
MOON_ILLUM:      42 [%]
GAL_COORDS:      109.01, -3.78 [deg] galactic lon,lat of the burst
ECL_COORDS:       21.97, 54.30 [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%.