[vsnet-grb 166735] GCN/SWIFT_XRT_POSITION

[Bacodine]

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 21 Jan 12 10:54:42 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     512164,   Seg_Num: 0
GRB_RA:          249.3547d {+16h 37m 25.12s} (J2000),
                 249.5371d {+16h 38m 08.90s} (current),
                 248.5990d {+16h 34m 23.74s} (1950)
GRB_DEC:         -23.9618d {-23d 57' 42.4"} (J2000),
                 -23.9854d {-23d 59' 07.3"} (current),
                 -23.8619d {-23d 51' 42.9"} (1950)
GRB_ERROR:       3.2 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  15947 TJD;    21 DOY;   12/01/21
IMG_START_TIME:  35069.00 SOD {09:44:29.00} UT,   129.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:       303.01d {+20h 12m 02s}  -19.98d {-19d 58' 41"}
SUN_DIST:         49.46 [deg]   Sun_angle= 3.6 [hr] (West of Sun)
MOON_POSTN:      277.68d {+18h 30m 43s}  -21.08d {-21d 04' 55"}
MOON_DIST:        26.11 [deg]
MOON_ILLUM:      4 [%]
GAL_COORDS:      355.11, 15.29 [deg] galactic lon,lat of the burst
ECL_COORDS:      251.19, -1.86 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
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 1.1% < P(seren) < 2.8%.