[vsnet-grb 199183] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Mar 13 02:05:49 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     552063,   Seg_Num: 0
GRB_RA:           92.0387d {+06h 08m 09.28s} (J2000),
                  92.3162d {+06h 09m 15.89s} (current),
                  90.9899d {+06h 03m 57.58s} (1950)
GRB_DEC:         +55.7143d {+55d 42' 51.4"} (J2000),
                 +55.7115d {+55d 42' 41.4"} (current),
                 +55.7217d {+55d 43' 17.9"} (1950)
GRB_ERROR:       2.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  16378 TJD;    86 DOY;   13/03/27
IMG_START_TIME:  6595.00 SOD {01:49:55.00} UT,   141.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:         6.04d {+00h 24m 09s}   +2.61d {+02d 36' 34"}
SUN_DIST:         85.75 [deg]   Sun_angle= -5.8 [hr] (East of Sun)
MOON_POSTN:      180.97d {+12h 03m 54s}   -4.43d {-04d 25' 46"}
MOON_DIST:        92.90 [deg]
MOON_ILLUM:      100 [%]
GAL_COORDS:      158.16, 16.42 [deg] galactic lon,lat of the burst
ECL_COORDS:       91.36, 32.28 [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%.