[vsnet-grb 314499] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 27 Jan 17 14:41:21 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     735326,   Seg_Num: 0
GRB_RA:          174.3600d {+11h 37m 26.40s} (J2000),
                 174.5693d {+11h 38m 16.63s} (current),
                 173.7490d {+11h 35m 00.23s} (1950)
GRB_DEC:         -45.8357d {-45d 50' 08.5"} (J2000),
                 -45.9303d {-45d 55' 49.1"} (current),
                 -45.5588d {-45d 33' 31.6"} (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:  17780 TJD;    27 DOY;   17/01/27
IMG_START_TIME:  51948.00 SOD {14:25:48.00} UT,   272.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       310.27d {+20h 41m 05s}  -18.30d {-18d 18' 07"}
SUN_DIST:        104.30 [deg]   Sun_angle= 9.0 [hr] (West of Sun)
MOON_POSTN:      304.90d {+20h 19m 35s}  -16.79d {-16d 47' 17"}
MOON_DIST:       102.91 [deg]
MOON_ILLUM:      0 [%]
GAL_COORDS:      289.69, 15.13 [deg] galactic lon,lat of the burst
ECL_COORDS:      197.79,-43.27 [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%.