[vsnet-grb 182812] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 16 Aug 12 19:34:55 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     531223,   Seg_Num: 0
GRB_RA:          282.1428d {+18h 48m 34.27s} (J2000),
                 282.3129d {+18h 49m 15.09s} (current),
                 281.4690d {+18h 45m 52.55s} (1950)
GRB_DEC:          -6.9382d {-06d 56' 17.5"} (J2000),
                  -6.9233d {-06d 55' 23.9"} (current),
                  -6.9952d {-06d 59' 42.5"} (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:  16155 TJD;   229 DOY;   12/08/16
IMG_START_TIME:  69667.00 SOD {19:21:07.00} UT,   152.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       146.62d {+09h 46m 29s}  +13.41d {+13d 24' 52"}
SUN_DIST:        135.97 [deg]   Sun_angle= -9.0 [hr] (East of Sun)
MOON_POSTN:      134.95d {+08h 59m 48s}  +12.13d {+12d 07' 36"}
MOON_DIST:       147.42 [deg]
MOON_ILLUM:      1 [%]
GAL_COORDS:       26.43, -2.52 [deg] galactic lon,lat of the burst
ECL_COORDS:      282.54, 15.97 [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%.