[vsnet-grb 347339] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Mon 20 Nov 17 13:32:50 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     791201,   Seg_Num: 0
GRB_RA:          163.7911d {+10h 55m 09.86s} (J2000),
                 164.0317d {+10h 56m 07.59s} (current),
                 163.1176d {+10h 52m 28.22s} (1950)
GRB_DEC:         +22.4584d {+22d 27' 30.2"} (J2000),
                 +22.3627d {+22d 21' 45.7"} (current),
                 +22.7253d {+22d 43' 30.9"} (1950)
GRB_ERROR:       2.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18077 TJD;   324 DOY;   17/11/20
IMG_START_TIME:  48241.00 SOD {13:24:01.00} UT,   238.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       236.18d {+15h 44m 43s}  -19.81d {-19d 48' 20"}
SUN_DIST:         82.08 [deg]   Sun_angle= 4.8 [hr] (West of Sun)
MOON_POSTN:      260.84d {+17h 23m 21s}  -19.01d {-19d 00' 42"}
MOON_DIST:       103.15 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:      216.54, 63.26 [deg] galactic lon,lat of the burst
ECL_COORDS:      156.35, 14.35 [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 0.11% < P(seren) < 0.58%.