[vsnet-grb 372709] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 09 Jul 18 11:10:01 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     846868,   Seg_Num: 0
GRB_RA:           38.1178d {+02h 32m 28.27s} (J2000),
                  38.4675d {+02h 33m 52.19s} (current),
                  37.1799d {+02h 28m 43.17s} (1950)
GRB_DEC:         +60.3489d {+60d 20' 56.0"} (J2000),
                 +60.4298d {+60d 25' 47.3"} (current),
                 +60.1285d {+60d 07' 42.4"} (1950)
GRB_ERROR:       2.1 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18308 TJD;   190 DOY;   18/07/09
IMG_START_TIME:  39526.00 SOD {10:58:46.00} UT,   405.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       108.65d {+07h 14m 37s}  +22.33d {+22d 19' 43"}
SUN_DIST:         60.98 [deg]   Sun_angle= 4.7 [hr] (West of Sun)
MOON_POSTN:       55.30d {+03h 41m 13s}  +14.62d {+14d 36' 54"}
MOON_DIST:        47.43 [deg]
MOON_ILLUM:      18 [%]
GAL_COORDS:      135.12, -0.11 [deg] galactic lon,lat of the burst
ECL_COORDS:       58.12, 42.52 [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%.