parallax: 0.0665535 0.0000722 m1: 0.43 0.02 C Positional observations C B [yr] theta rho rho_std 1934.5600 262.5 0.9300 0.1000 I1 1935.6300 266.0 0.9500 0.1000 I1 1936.7300 268.6 1.1200 0.1000 I1 1940.6700 287.5 0.9600 0.1000 I1 1941.6300 288.8 0.8300 0.1000 I1 1942.6300 290.0 0.8400 0.1000 I1 1943.6500 303.6 0.7000 0.1000 I1 1943.7900 298.3 0.6100 0.1000 I1 1959.8100 236.4 0.9300 0.1000 I1 1968.7700 285.6 0.8200 0.0500 I1 1984.5900 243.3 0.5900 0.0500 I1 1985.6000 247.2 0.9800 0.0500 I1 1986.6600 252.1 0.8700 0.0500 I1 1987.5700 250.5 0.7500 0.0500 I1 1987.6610 242.0 0.9000 0.0500 I1 1988.8260 253.2 1.0300 0.0500 I1 1989.6300 261.3 0.9600 0.0500 I1 1990.5720 241.3 0.9800 0.0500 I1 1992.7090 263.2 1.2300 0.0500 I1 1992.8100 271.5 0.8600 0.0500 I1 1995.7900 269.7 0.8200 0.0500 I1 1995.8500 283.9 0.8700 0.0500 I1 1995.8740 272.4 1.0300 0.0100 I1 1996.6790 281.7 1.0000 0.0100 I1 1997.6890 284.8 0.9800 0.0100 I1 1997.9350 284.3 0.9800 0.0100 I1 1998.7220 279.5 0.8900 0.0100 I1 1999.6890 289.3 0.8800 0.0100 I1 1999.7490 289.4 0.8600 0.0100 I1 2000.7240 295.7 0.7900 0.0100 I1 2001.7330 299.5 0.6800 0.0100 I1 2001.7800 300.1 0.6800 0.0100 I1 2003.7160 321.4 0.5300 0.0100 I1 2007.5740 123.0 0.3700 0.0100 I1 2007.5740 123.0 0.3700 0.0100 I1 2007.6510 109.0 0.3000 0.0100 I1 2007.6970 121.6 0.3300 0.0100 I1 2007.6980 121.1 0.3310 0.0100 I1 1991.2500 256.0 1.0150 0.0100 I1 1991.4600 253.2 1.0300 0.0300 I1 2008.5380 157.6 0.3550 0.0050 I1 2008.5380 158.4 0.3330 0.0050 I1 2008.6640 158.1 0.3650 0.0050 I1 2009.4280 177.1 0.4300 0.0050 I1 2009.4335 176.2 0.4200 0.0050 I1 2011.8600 209.7 0.6090 0.0075 I1 2012.6500 217.1 0.6680 0.0075 I1 2012.9000 219.0 0.6850 0.0075 I1 C Radial velocities used in this orbit C epoch Rad.Vel. O-C or error Weight Component C years (km/s) (km/s) (km/s) 1976.510 -28.850 0.228 2.454 Va 1976.608 -32.350 0.228 -1.337 Va 1976.611 -34.750 0.228 -3.746 Va 1976.614 -30.100 0.228 0.896 Va 1976.775 -31.140 0.228 -0.635 Va 1976.778 -33.440 0.228 -2.944 Va 1976.783 -31.700 0.228 -1.221 Va 1976.838 -25.080 0.228 5.233 Va 1976.840 -28.800 0.228 1.505 Va 1976.846 -32.160 0.228 -1.872 Va 1976.854 -33.040 0.228 -2.777 Va 1976.936 -25.080 0.228 4.939 Va 1976.939 -29.490 0.228 0.521 Va 1977.017 -30.700 0.228 -0.913 Va 1977.348 -28.160 0.228 0.838 Va 1977.523 -27.540 0.228 1.194 Va 1977.526 -30.900 0.228 -2.169 Va 1977.676 -27.350 0.228 1.254 Va 1977.678 -29.590 0.228 -0.988 Va 1977.832 -27.950 0.228 0.611 Va 1977.832 -29.900 0.228 -1.339 Va 1983.764 -33.570 0.228 -0.514 Va 1983.765 -31.950 0.228 1.106 Va 1984.588 -31.980 0.228 1.350 Va 1984.655 -32.620 0.228 0.731 Va 1984.741 -34.060 0.228 -0.683 Va 1984.755 -32.480 0.228 0.901 Va 1985.600 -33.370 0.228 0.246 Va 1985.607 -35.510 0.228 -1.892 Va 1985.615 -35.130 0.228 -1.510 Va 1987.706 -33.750 0.228 0.340 Va 1987.722 -33.670 0.228 0.423 Va