[vsnet-grb 262820] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 07 Jun 15 08:42:14 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     642620,   Seg_Num: 0
GRB_RA:          139.9798d {+09h 19m 55.15s} (J2000),
                 140.3166d {+09h 21m 15.97s} (current),
                 138.8787d {+09h 15m 30.87s} (1950)
GRB_DEC:         +68.4361d {+68d 26' 09.9"} (J2000),
                 +68.3702d {+68d 22' 12.5"} (current),
                 +68.6476d {+68d 38' 51.3"} (1950)
GRB_ERROR:       3.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17180 TJD;   158 DOY;   15/06/07
IMG_START_TIME:  28723.00 SOD {07:58:43.00} UT,   213.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        75.13d {+05h 00m 32s}  +22.73d {+22d 43' 58"}
SUN_DIST:         59.87 [deg]   Sun_angle= -4.3 [hr] (East of Sun)
MOON_POSTN:      317.35d {+21h 09m 24s}  -12.20d {-12d 11' 47"}
MOON_DIST:       123.79 [deg]
MOON_ILLUM:      75 [%]
GAL_COORDS:      144.90, 38.42 [deg] galactic lon,lat of the burst
ECL_COORDS:      115.63, 49.40 [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 2.8% < P(seren) < 6.6%.