[vsnet-grb 441922] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 10 Apr 20 02:39:53 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     965638,   Seg_Num: 0
GRB_RA:          299.6453d {+19h 58m 34.87s} (J2000),
                 299.7804d {+19h 59m 07.30s} (current),
                 299.3118d {+19h 57m 14.83s} (1950)
GRB_DEC:         +51.7811d {+51d 46' 51.9"} (J2000),
                 +51.8370d {+51d 50' 13.3"} (current),
                 +51.6441d {+51d 38' 38.7"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18949 TJD;   101 DOY;   20/04/10
IMG_START_TIME:  8833.00 SOD {02:27:13.00} UT,   122.6 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        19.12d {+01h 16m 29s}   +8.08d {+08d 04' 51"}
SUN_DIST:         77.07 [deg]   Sun_angle= 5.3 [hr] (West of Sun)
MOON_POSTN:      227.60d {+15h 10m 24s}  -14.17d {-14d 09' 57"}
MOON_DIST:        90.52 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:       85.74, 11.49 [deg] galactic lon,lat of the burst
ECL_COORDS:      329.42, 69.18 [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%.