[vsnet-grb 355157] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 04 Feb 18 03:01:28 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     808483,   Seg_Num: 0
GRB_RA:          330.1336d {+22h 00m 32.06s} (J2000),
                 330.3355d {+22h 01m 20.52s} (current),
                 329.5762d {+21h 58m 18.27s} (1950)
GRB_DEC:         +30.8381d {+30d 50' 17.1"} (J2000),
                 +30.9255d {+30d 55' 31.9"} (current),
                 +30.5973d {+30d 35' 50.4"} (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:  18153 TJD;    35 DOY;   18/02/04
IMG_START_TIME:  9517.00 SOD {02:38:37.00} UT,   140.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       317.70d {+21h 10m 49s}  -16.26d {-16d 15' 49"}
SUN_DIST:         48.73 [deg]   Sun_angle= -0.8 [hr] (East of Sun)
MOON_POSTN:      184.32d {+12h 17m 17s}   +2.38d {+02d 22' 41"}
MOON_DIST:       133.58 [deg]
MOON_ILLUM:      84 [%]
GAL_COORDS:       84.86,-19.12 [deg] galactic lon,lat of the burst
ECL_COORDS:      345.80, 39.82 [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 0.58% < P(seren) < 1.1%.