[vsnet-grb 359822] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Mar 18 05:16:32 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     814677,   Seg_Num: 0
GRB_RA:          265.4289d {+17h 41m 42.93s} (J2000),
                 265.6608d {+17h 42m 38.59s} (current),
                 264.7921d {+17h 39m 10.09s} (1950)
GRB_DEC:          +0.7482d {+00d 44' 53.5"} (J2000),
                  +0.7403d {+00d 44' 25.1"} (current),
                  +0.7719d {+00d 46' 18.9"} (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:  18193 TJD;    75 DOY;   18/03/16
IMG_START_TIME:  18498.00 SOD {05:08:18.00} UT,   652.9 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       355.93d {+23h 43m 44s}   -1.76d {-01d 45' 35"}
SUN_DIST:         90.30 [deg]   Sun_angle= 6.0 [hr] (West of Sun)
MOON_POSTN:      342.32d {+22h 49m 16s}   -9.81d {-09d 48' 49"}
MOON_DIST:        76.98 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:       25.47, 15.81 [deg] galactic lon,lat of the burst
ECL_COORDS:      264.99, 24.11 [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%.