[vsnet-grb 310780] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 17 Dec 16 01:53:33 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     727167,   Seg_Num: 0
GRB_RA:          150.6517d {+10h 02m 36.40s} (J2000),
                 150.9287d {+10h 03m 42.87s} (current),
                 149.8312d {+09h 59m 19.49s} (1950)
GRB_DEC:         +52.3592d {+52d 21' 33.1"} (J2000),
                 +52.2768d {+52d 16' 36.4"} (current),
                 +52.6009d {+52d 36' 03.2"} (1950)
GRB_ERROR:       2.4 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  17739 TJD;   352 DOY;   16/12/17
IMG_START_TIME:  5426.00 SOD {01:30:26.00} UT,   171.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       265.16d {+17h 40m 38s}  -23.36d {-23d 21' 42"}
SUN_DIST:        122.97 [deg]   Sun_angle= 7.6 [hr] (West of Sun)
MOON_POSTN:      129.06d {+08h 36m 13s}  +16.06d {+16d 03' 27"}
MOON_DIST:        40.14 [deg]
MOON_ILLUM:      87 [%]
GAL_COORDS:      162.39, 49.79 [deg] galactic lon,lat of the burst
ECL_COORDS:      132.08, 37.41 [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%.