[vsnet-grb 462669] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Oct 20 20:42:40 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1001130,   Seg_Num: 0
GRB_RA:           12.5298d {+00h 50m 07.15s} (J2000),
                  12.7591d {+00h 51m 02.17s} (current),
                  11.9769d {+00h 47m 54.45s} (1950)
GRB_DEC:         -55.8663d {-55d 51' 58.6"} (J2000),
                 -55.7533d {-55d 45' 11.7"} (current),
                 -56.1384d {-56d 08' 18.1"} (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:  19143 TJD;   295 DOY;   20/10/21
IMG_START_TIME:  73808.00 SOD {20:30:08.00} UT,   169.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       206.88d {+13h 47m 30s}  -11.09d {-11d 05' 12"}
SUN_DIST:        112.12 [deg]   Sun_angle= -11.1 [hr] (East of Sun)
MOON_POSTN:      278.81d {+18h 35m 14s}  -24.55d {-24d 32' 43"}
MOON_DIST:        72.05 [deg]
MOON_ILLUM:      32 [%]
GAL_COORDS:      303.32,-61.26 [deg] galactic lon,lat of the burst
ECL_COORDS:      338.34,-53.89 [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%.