[vsnet-grb 409836] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 11 Jun 19 18:02:07 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     907950,   Seg_Num: 0
GRB_RA:          324.7228d {+21h 38m 53.47s} (J2000),
                 325.0643d {+21h 40m 15.43s} (current),
                 323.8396d {+21h 35m 21.50s} (1950)
GRB_DEC:         -56.0746d {-56d 04' 28.5"} (J2000),
                 -55.9861d {-55d 59' 09.7"} (current),
                 -56.3006d {-56d 18' 02.3"} (1950)
GRB_ERROR:       2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18645 TJD;   162 DOY;   19/06/11
IMG_START_TIME:  64276.00 SOD {17:51:16.00} UT,   134.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        79.71d {+05h 18m 49s}  +23.10d {+23d 05' 55"}
SUN_DIST:        122.67 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      191.48d {+12h 45m 54s}   +0.72d {+00d 43' 08"}
MOON_DIST:       113.33 [deg]
MOON_ILLUM:      67 [%]
GAL_COORDS:      339.10,-45.22 [deg] galactic lon,lat of the burst
ECL_COORDS:      306.06,-39.28 [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%.