[vsnet-grb 425258] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 31 Oct 19 21:41:30 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     932608,   Seg_Num: 0
GRB_RA:          283.2889d {+18h 53m 09.33s} (J2000),
                 283.4251d {+18h 53m 42.03s} (current),
                 282.9454d {+18h 51m 46.90s} (1950)
GRB_DEC:         +47.6437d {+47d 38' 37.3"} (J2000),
                 +47.6692d {+47d 40' 09.1"} (current),
                 +47.5805d {+47d 34' 49.8"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18787 TJD;   304 DOY;   19/10/31
IMG_START_TIME:  77112.00 SOD {21:25:12.00} UT,   101.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       215.80d {+14h 23m 13s}  -14.23d {-14d 13' 48"}
SUN_DIST:         86.17 [deg]   Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN:      267.04d {+17h 48m 11s}  -22.25d {-22d 14' 53"}
MOON_DIST:        71.45 [deg]
MOON_ILLUM:      17 [%]
GAL_COORDS:       77.34, 19.42 [deg] galactic lon,lat of the burst
ECL_COORDS:      296.72, 69.85 [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%.