[vsnet-grb 272798] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 01 Oct 15 15:23:37 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     657286,   Seg_Num: 0
GRB_RA:          233.7290d {+15h 34m 54.96s} (J2000),
                 233.9171d {+15h 35m 40.10s} (current),
                 233.1321d {+15h 32m 31.71s} (1950)
GRB_DEC:         +10.9672d {+10d 58' 01.9"} (J2000),
                 +10.9154d {+10d 54' 55.6"} (current),
                 +11.1331d {+11d 07' 59.0"} (1950)
GRB_ERROR:       2.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17296 TJD;   274 DOY;   15/10/01
IMG_START_TIME:  54535.00 SOD {15:08:55.00} UT,   272.1 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       187.47d {+12h 29m 53s}   -3.23d {-03d 13' 32"}
SUN_DIST:         48.33 [deg]   Sun_angle= -3.1 [hr] (East of Sun)
MOON_POSTN:       55.79d {+03h 43m 09s}  +15.31d {+15d 18' 49"}
MOON_DIST:       153.71 [deg]
MOON_ILLUM:      83 [%]
GAL_COORDS:       18.18, 48.37 [deg] galactic lon,lat of the burst
ECL_COORDS:      228.24, 29.30 [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:        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%.