[vsnet-grb 372375] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 06 Jul 18 08:39:37 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     846395,   Seg_Num: 0
GRB_RA:          181.6422d {+12h 06m 34.12s} (J2000),
                 181.8723d {+12h 07m 29.34s} (current),
                 181.0163d {+12h 04m 03.91s} (1950)
GRB_DEC:         +66.0364d {+66d 02' 11.0"} (J2000),
                 +65.9334d {+65d 56' 00.2"} (current),
                 +66.3147d {+66d 18' 53.0"} (1950)
GRB_ERROR:       2.9 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18305 TJD;   187 DOY;   18/07/06
IMG_START_TIME:  30569.00 SOD {08:29:29.00} UT,   288.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       105.47d {+07h 01m 53s}  +22.67d {+22d 40' 27"}
SUN_DIST:         63.87 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:       15.21d {+01h 00m 52s}   +1.12d {+01d 07' 08"}
MOON_DIST:       112.26 [deg]
MOON_ILLUM:      50 [%]
GAL_COORDS:      130.06, 50.47 [deg] galactic lon,lat of the burst
ECL_COORDS:      139.01, 57.46 [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 1.1% < P(seren) < 2.8%.