[vsnet-grb 159151] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 28 Sep 11 03:00:00 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     504215,   Seg_Num: 0
GRB_RA:          257.7336d {+17h 10m 56.06s} (J2000),
                 257.8367d {+17h 11m 20.80s} (current),
                 257.2947d {+17h 09m 10.72s} (1950)
GRB_DEC:         +36.5363d {+36d 32' 10.6"} (J2000),
                 +36.5225d {+36d 31' 20.9"} (current),
                 +36.5965d {+36d 35' 47.3"} (1950)
GRB_ERROR:       4.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15832 TJD;   271 DOY;   11/09/28
IMG_START_TIME:  10048.00 SOD {02:47:28.00} UT,   3356.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       184.27d {+12h 17m 04s}   -1.85d {-01d 50' 49"}
SUN_DIST:         77.99 [deg]   Sun_angle= -4.9 [hr] (East of Sun)
MOON_POSTN:      190.96d {+12h 43m 50s}   -9.58d {-09d 34' 57"}
MOON_DIST:        77.75 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:       60.16, 35.11 [deg] galactic lon,lat of the burst
ECL_COORDS:      250.56, 59.15 [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 2.8% < P(seren) < 6.6%.