[vsnet-grb 467408] GCN/SWIFT_XRT_POSITION_UPDATE

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 09 Dec 20 06:27:09 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1011980,   Seg_Num: 0
GRB_RA:           23.0910d {+01h 32m 21.84s} (J2000),
                  23.3579d {+01h 33m 25.90s} (current),
                  22.4540d {+01h 29m 48.96s} (1950)
GRB_DEC:          -1.7536d {-01d 45' 12.9"} (J2000),
                  -1.6465d {-01d 38' 47.3"} (current),
                  -2.0103d {-02d 00' 37.0"} (1950)
GRB_ERROR:       3.5 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19192 TJD;   344 DOY;   20/12/09
IMG_START_TIME:  20855.00 SOD {05:47:35.00} UT,   162.5 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       256.57d {+17h 06m 18s}  -22.86d {-22d 51' 42"}
SUN_DIST:        122.71 [deg]   Sun_angle= -8.5 [hr] (East of Sun)
MOON_POSTN:      185.59d {+12h 22m 21s}   +3.15d {+03d 08' 46"}
MOON_DIST:       162.18 [deg]
MOON_ILLUM:      36 [%]
GAL_COORDS:      145.78,-62.80 [deg] galactic lon,lat of the burst
ECL_COORDS:       20.70,-10.60 [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 0.58% < P(seren) < 1.1%.