[vsnet-grb 436175] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 16 Feb 20 13:46:18 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     956824,   Seg_Num: 0
GRB_RA:          160.4342d {+10h 41m 44.20s} (J2000),
                 160.7052d {+10h 42m 49.25s} (current),
                 159.7599d {+10h 39m 02.38s} (1950)
GRB_DEC:         +19.4755d {+19d 28' 31.8"} (J2000),
                 +19.3698d {+19d 22' 11.4"} (current),
                 +19.7373d {+19d 44' 14.1"} (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:  18895 TJD;    47 DOY;   20/02/16
IMG_START_TIME:  48967.00 SOD {13:36:07.00} UT,   213.2 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       329.55d {+21h 58m 11s}  -12.39d {-12d 23' 29"}
SUN_DIST:        167.21 [deg]   Sun_angle= 11.3 [hr] (West of Sun)
MOON_POSTN:      243.92d {+16h 15m 42s}  -18.42d {-18d 25' 22"}
MOON_DIST:        89.95 [deg]
MOON_ILLUM:      43 [%]
GAL_COORDS:      220.39, 59.35 [deg] galactic lon,lat of the burst
ECL_COORDS:      154.57, 10.39 [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 0.11% < P(seren) < 0.58%.