[vsnet-grb 459489] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 22 Sep 20 12:26:38 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     997024,   Seg_Num: 0
GRB_RA:          296.9542d {+19h 47m 49.00s} (J2000),
                 297.3673d {+19h 49m 28.16s} (current),
                 295.9542d {+19h 43m 49.00s} (1950)
GRB_DEC:         -55.2024d {-55d 12' 08.6"} (J2000),
                 -55.1497d {-55d 08' 59.0"} (current),
                 -55.3264d {-55d 19' 35.1"} (1950)
GRB_ERROR:       4.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19114 TJD;   266 DOY;   20/09/22
IMG_START_TIME:  43813.00 SOD {12:10:13.00} UT,   206.4 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       179.96d {+11h 59m 51s}   +0.02d {+00d 00' 57"}
SUN_DIST:        105.26 [deg]   Sun_angle= -7.8 [hr] (East of Sun)
MOON_POSTN:      248.53d {+16h 34m 07s}  -20.60d {-20d 35' 52"}
MOON_DIST:        50.15 [deg]
MOON_ILLUM:      33 [%]
GAL_COORDS:      342.60,-29.88 [deg] galactic lon,lat of the burst
ECL_COORDS:      288.06,-33.44 [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:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.11% < P(seren) < 0.58%.