[vsnet-grb 436075] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 15 Feb 20 15:11:44 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     956639,   Seg_Num: 0
GRB_RA:           34.0793d {+02h 16m 19.03s} (J2000),
                  34.3515d {+02h 17m 24.35s} (current),
                  33.4041d {+02h 13m 36.97s} (1950)
GRB_DEC:         +12.7704d {+12d 46' 13.4"} (J2000),
                 +12.8630d {+12d 51' 46.9"} (current),
                 +12.5389d {+12d 32' 20.0"} (1950)
GRB_ERROR:       2.1 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18894 TJD;    46 DOY;   20/02/15
IMG_START_TIME:  52888.00 SOD {14:41:28.00} UT,   116.0 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       328.63d {+21h 54m 32s}  -12.72d {-12d 42' 56"}
SUN_DIST:         70.00 [deg]   Sun_angle= -4.4 [hr] (East of Sun)
MOON_POSTN:      231.06d {+15h 24m 14s}  -14.79d {-14d 47' 40"}
MOON_DIST:       163.67 [deg]
MOON_ILLUM:      54 [%]
GAL_COORDS:      152.94,-45.10 [deg] galactic lon,lat of the burst
ECL_COORDS:       36.11, -0.83 [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%.