[vsnet-grb 177869] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 17 Jun 12 16:05:25 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     524542,   Seg_Num: 0
GRB_RA:          282.8109d {+18h 51m 14.61s} (J2000),
                 282.9705d {+18h 51m 52.93s} (current),
                 282.1702d {+18h 48m 40.85s} (1950)
GRB_DEC:          -0.0011d {-00d 00' 03.9"} (J2000),
                  +0.0144d {+00d 00' 51.7"} (current),
                  -0.0613d {-00d 03' 40.7"} (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:  16095 TJD;   169 DOY;   12/06/17
IMG_START_TIME:  57010.00 SOD {15:50:10.00} UT,   194.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        86.57d {+05h 46m 17s}  +23.40d {+23d 23' 59"}
SUN_DIST:        151.68 [deg]   Sun_angle= 10.9 [hr] (West of Sun)
MOON_POSTN:       63.36d {+04h 13m 26s}  +21.24d {+21d 14' 41"}
MOON_DIST:       135.89 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:       32.91,  0.04 [deg] galactic lon,lat of the burst
ECL_COORDS:      283.92, 22.82 [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:        This is 3.6" from the X-ray source: 2XMM J185114.3-000004  
COMMENTS:        in the XMM-NEWTON XMMSSC catalogue.