[vsnet-grb 442030] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 11 Apr 20 05:10:17 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     965784,   Seg_Num: 0
GRB_RA:           47.6640d {+03h 10m 39.36s} (J2000),
                  47.8158d {+03h 11m 15.78s} (current),
                  47.2900d {+03h 09m 09.60s} (1950)
GRB_DEC:         -52.3186d {-52d 19' 06.9"} (J2000),
                 -52.2427d {-52d 14' 33.6"} (current),
                 -52.5068d {-52d 30' 24.3"} (1950)
GRB_ERROR:       3.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18950 TJD;   102 DOY;   20/04/11
IMG_START_TIME:  16213.00 SOD {04:30:13.00} UT,   70.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        20.14d {+01h 20m 33s}   +8.49d {+08d 29' 13"}
SUN_DIST:         65.19 [deg]   Sun_angle= -1.8 [hr] (East of Sun)
MOON_POSTN:      243.68d {+16h 14m 44s}  -18.86d {-18d 51' 23"}
MOON_DIST:       107.57 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:      266.66,-53.86 [deg] galactic lon,lat of the burst
ECL_COORDS:       13.62,-64.94 [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 0.58% < P(seren) < 1.1%.