[vsnet-grb 349591] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 12 Dec 17 12:25:32 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     796778,   Seg_Num: 0
GRB_RA:          293.9181d {+19h 35m 40.34s} (J2000),
                 294.1137d {+19h 36m 27.29s} (current),
                 293.3731d {+19h 33m 29.54s} (1950)
GRB_DEC:         +20.5915d {+20d 35' 29.3"} (J2000),
                 +20.6322d {+20d 37' 55.7"} (current),
                 +20.4798d {+20d 28' 47.4"} (1950)
GRB_ERROR:       3.8 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  18099 TJD;   346 DOY;   17/12/12
IMG_START_TIME:  43488.00 SOD {12:04:48.00} UT,   446.3 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       259.85d {+17h 19m 24s}  -23.11d {-23d 06' 29"}
SUN_DIST:         55.03 [deg]   Sun_angle= -2.3 [hr] (East of Sun)
MOON_POSTN:      197.09d {+13h 08m 21s}   -2.47d {-02d 28' 26"}
MOON_DIST:        97.44 [deg]
MOON_ILLUM:      28 [%]
GAL_COORDS:       56.19,  0.03 [deg] galactic lon,lat of the burst
ECL_COORDS:      300.46, 41.53 [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:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.11% < P(seren) < 0.58%.