[vsnet-grb 168379] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 15 Feb 12 00:54:45 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     515015,   Seg_Num: 0
GRB_RA:           30.0477d {+02h 00m 11.44s} (J2000),
                  30.2083d {+02h 00m 49.98s} (current),
                  29.3861d {+01h 57m 32.66s} (1950)
GRB_DEC:          +8.8019d {+08d 48' 06.8"} (J2000),
                  +8.8603d {+08d 51' 36.9"} (current),
                  +8.5601d {+08d 33' 36.3"} (1950)
GRB_ERROR:       2.3 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15972 TJD;    46 DOY;   12/02/15
IMG_START_TIME:  2613.00 SOD {00:43:33.00} UT,   137.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       327.99d {+21h 51m 58s}  -12.94d {-12d 56' 24"}
SUN_DIST:         65.52 [deg]   Sun_angle= -4.1 [hr] (East of Sun)
MOON_POSTN:      237.44d {+15h 49m 45s}  -21.14d {-21d 08' 08"}
MOON_DIST:       151.05 [deg]
MOON_ILLUM:      47 [%]
GAL_COORDS:      150.20,-50.39 [deg] galactic lon,lat of the burst
ECL_COORDS:       31.04, -3.24 [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%.