[vsnet-grb 156006] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 18 Aug 11 20:49:04 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     500914,   Seg_Num: 0
GRB_RA:          317.3412d {+21h 09m 21.88s} (J2000),
                 317.5798d {+21h 10m 19.14s} (current),
                 316.3087d {+21h 05m 14.08s} (1950)
GRB_DEC:         -63.9810d {-63d 58' 51.6"} (J2000),
                 -63.9333d {-63d 55' 59.8"} (current),
                 -64.1840d {-64d 11' 02.5"} (1950)
GRB_ERROR:       3.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15791 TJD;   230 DOY;   11/08/18
IMG_START_TIME:  74716.00 SOD {20:45:16.00} UT,   446.8 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       147.83d {+09h 51m 18s}  +13.00d {+12d 59' 55"}
SUN_DIST:        128.56 [deg]   Sun_angle= -11.3 [hr] (East of Sun)
MOON_POSTN:       18.94d {+01h 15m 44s}  +12.65d {+12d 38' 53"}
MOON_DIST:        89.49 [deg]
MOON_ILLUM:      78 [%]
GAL_COORDS:      330.71,-39.11 [deg] galactic lon,lat of the burst
ECL_COORDS:      297.11,-44.93 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        There is a bright star (mag=5.76) 6.22 arcmin from the XRT position.  
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%.