[vsnet-grb 274625] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 23 Oct 15 14:02:28 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     661253,   Seg_Num: 0
GRB_RA:          270.9846d {+18h 03m 56.30s} (J2000),
                 271.2000d {+18h 04m 48.00s} (current),
                 270.3034d {+18h 01m 12.81s} (1950)
GRB_DEC:          -8.3164d {-08d 18' 59.0"} (J2000),
                  -8.3147d {-08d 18' 52.9"} (current),
                  -8.3195d {-08d 19' 10.3"} (1950)
GRB_ERROR:       3.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17318 TJD;   296 DOY;   15/10/23
IMG_START_TIME:  50148.00 SOD {13:55:48.00} UT,   763.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       207.76d {+13h 51m 03s}  -11.42d {-11d 24' 56"}
SUN_DIST:         62.46 [deg]   Sun_angle= -4.2 [hr] (East of Sun)
MOON_POSTN:      336.37d {+22h 25m 29s}   -7.60d {-07d 36' 04"}
MOON_DIST:        64.47 [deg]
MOON_ILLUM:      79 [%]
GAL_COORDS:       20.04,  6.62 [deg] galactic lon,lat of the burst
ECL_COORDS:      271.01, 15.12 [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:        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%.