[vsnet-grb 149443] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 20 May 11 20:46:44 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     453747,   Seg_Num: 0
GRB_RA:          134.3420d {+08h 57m 22.08s} (J2000),
                 134.5559d {+08h 58m 13.42s} (current),
                 133.3980d {+08h 53m 35.51s} (1950)
GRB_DEC:         +56.4267d {+56d 25' 36.1"} (J2000),
                 +56.3823d {+56d 22' 56.3"} (current),
                 +56.6196d {+56d 37' 10.7"} (1950)
GRB_ERROR:       3.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15701 TJD;   140 DOY;   11/05/20
IMG_START_TIME:  73896.00 SOD {20:31:36.00} UT,   167.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        57.29d {+03h 49m 09s}  +20.04d {+20d 02' 24"}
SUN_DIST:         66.42 [deg]   Sun_angle= -5.2 [hr] (East of Sun)
MOON_POSTN:      284.89d {+18h 59m 34s}  -20.91d {-20d 54' 30"}
MOON_DIST:       138.30 [deg]
MOON_ILLUM:      86 [%]
GAL_COORDS:      160.65, 39.56 [deg] galactic lon,lat of the burst
ECL_COORDS:      119.11, 37.38 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
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%.