[vsnet-grb 272819] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 01 Oct 15 18:43:13 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     657321,   Seg_Num: 0
GRB_RA:          336.8383d {+22h 27m 21.19s} (J2000),
                 336.9672d {+22h 27m 52.13s} (current),
                 336.4300d {+22h 25m 43.19s} (1950)
GRB_DEC:         +64.6937d {+64d 41' 37.3"} (J2000),
                 +64.7744d {+64d 46' 27.6"} (current),
                 +64.4381d {+64d 26' 17.2"} (1950)
GRB_ERROR:       2.4 [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:  66855.00 SOD {18:34:15.00} UT,   278.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       187.60d {+12h 30m 23s}   -3.28d {-03d 16' 45"}
SUN_DIST:        114.70 [deg]   Sun_angle= -10.0 [hr] (East of Sun)
MOON_POSTN:       57.83d {+03h 51m 18s}  +15.65d {+15d 38' 48"}
MOON_DIST:        71.99 [deg]
MOON_ILLUM:      82 [%]
GAL_COORDS:      108.29,  6.00 [deg] galactic lon,lat of the burst
ECL_COORDS:       27.59, 63.68 [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 0.11% < P(seren) < 0.58%.