parallax: 0.067141 0.000118 m1: 1.175 0.025 C Positional observations C B [yr] theta rho rho_std 1878.4700 132.6 0.6000 0.1500 I1 1879.4700 118.3 0.6600 0.1500 I1 1883.6400 93.4 1.0000 0.1500 I1 1885.6100 78.0 1.1900 0.1500 I1 1889.8700 67.4 1.0400 0.1500 I1 1891.3300 67.7 1.2600 0.1500 I1 1891.6300 69.6 1.1000 0.1500 I1 1891.8400 61.4 1.3700 0.1500 I1 1892.3800 65.6 1.2900 0.1500 I1 1892.7000 61.9 1.2100 0.1500 I1 1893.4900 60.2 1.4000 0.1500 I1 1893.7800 60.8 1.1200 0.1500 I1 1894.7900 57.9 1.2200 0.1500 I1 1895.5900 57.9 1.4900 0.1500 I1 1896.4700 45.1 1.3300 0.1500 I1 1896.4900 51.5 1.3400 0.1500 I1 1896.5700 53.4 1.4500 0.1500 I1 1896.6200 53.2 1.2700 0.1500 I1 1896.7700 52.6 1.2900 0.1500 I1 1897.4400 49.2 1.3600 0.1500 I1 1897.5400 51.2 1.1400 0.1500 I1 1897.6590 54.9 1.2800 0.1500 I1 1897.7000 49.8 1.3400 0.1500 I1 1897.7390 55.5 1.4100 0.1500 I1 1898.4000 47.7 1.3300 0.1500 I1 1898.5000 52.4 1.3000 0.1500 I1 1898.5400 50.2 1.5000 0.1500 I1 1898.6550 50.3 1.3300 0.1500 I1 1898.6700 48.3 1.2400 0.1500 I1 1898.7130 53.8 1.3100 0.1500 I1 1898.9200 48.2 1.2100 0.1500 I1 1899.3400 43.3 1.2600 0.1500 I1 1899.4400 42.4 0.9600 0.1500 I1 1899.5790 42.0 1.2400 0.1500 I1 1900.4510 42.4 1.1200 0.1500 I1 1900.5360 42.3 1.2100 0.1500 I1 1900.5400 41.2 1.3400 0.1500 I1 1900.5920 42.1 1.2400 0.1500 I1 1900.6200 44.2 1.1700 0.1500 I1 1900.7300 42.3 1.2700 0.1500 I1 1900.7300 48.9 1.1000 0.1500 I1 1901.5710 41.7 1.2300 0.1500 I1 1901.6100 40.0 1.1100 0.1500 I1 1901.6200 39.0 1.0700 0.1500 I1 1901.6200 39.0 1.0700 0.1500 I1 1901.7360 39.1 1.1200 0.1500 I1 1902.3200 36.7 0.9400 0.1500 I1 1902.4900 35.4 1.0800 0.1500 I1 1902.5300 34.9 1.3100 0.1500 I1 1902.6300 37.3 1.0000 0.1500 I1 1902.7600 37.2 1.1800 0.1500 I1 1903.5900 28.3 0.8000 0.1500 I1 1903.6930 34.0 1.0900 0.1500 I1 1903.7000 29.0 0.9000 0.1500 I1 1904.4500 22.2 0.9600 0.1500 I1 1904.6400 28.1 0.8800 0.1500 I1 1905.5000 20.9 0.6500 0.1500 I1 1905.5200 22.2 0.6500 0.1500 I1 1906.3700 10.4 0.5800 0.1500 I1 1906.5200 17.2 0.6200 0.1500 I1 1906.5500 9.7 0.4700 0.1500 I1 1907.6900 359.0 0.4200 0.1500 I1 1908.3750 347.4 0.4100 0.1500 I1 1908.4500 355.3 0.3500 0.1500 I1 1908.8300 338.2 0.3800 0.1500 I1 1909.6370 330.3 0.4500 0.1500 I1 1909.6700 320.5 0.3100 0.1500 I1 1911.5100 278.4 0.3500 0.1500 I1 1911.5360 279.7 0.4200 0.1500 I1 1912.6500 260.5 0.5200 0.1500 I1 1912.7410 270.8 0.3900 0.1500 I1 1912.7500 256.9 0.5500 0.1500 I1 1913.7100 244.2 0.6000 0.1500 I1 1914.4900 248.2 0.6800 0.1500 I1 1914.4950 254.2 0.5800 0.1500 I1 1914.5080 248.4 0.8600 0.1500 I1 1914.5500 252.7 0.8500 0.1500 I1 1915.7100 242.8 0.9700 0.1500 I1 1915.9250 242.3 0.8800 0.1500 I1 1916.2920 235.9 0.9000 0.1500 I1 1916.5300 240.4 0.9700 0.1500 I1 1916.5600 242.4 1.0100 0.1500 I1 1916.6800 236.5 0.8000 0.1500 I1 1917.5600 238.0 1.0600 0.1500 I1 1917.5990 235.6 0.9900 0.1500 I1 1918.5030 233.8 0.9600 0.1500 I1 1918.6400 229.2 0.9500 0.1500 I1 1918.6400 233.6 1.0200 0.1500 I1 1919.4800 227.9 1.0400 0.1500 I1 1919.6000 232.1 1.3800 0.1500 I1 1919.6100 231.3 1.2400 0.1500 I1 1919.6300 229.6 1.3500 0.1500 I1 1919.7100 226.5 1.1300 0.1500 I1 1920.4700 225.4 1.1600 0.1500 I1 1920.6550 226.9 1.0700 0.1500 I1 1920.6680 227.2 1.2400 0.1500 I1 1920.7020 227.4 1.4200 0.1500 I1 1920.7600 223.8 1.0100 0.1500 I1 1921.4500 223.4 1.1300 0.1500 I1 1921.5900 219.2 1.0300 0.1500 I1 1921.5980 226.6 1.4400 0.1500 I1 1921.6800 217.3 1.0500 0.1500 I1 1921.7700 219.7 1.0700 0.1500 I1 1922.4900 220.2 1.2000 0.1500 I1 1922.6640 223.7 1.1200 0.1500 I1 1922.7700 217.4 0.9700 0.1500 I1 1923.5730 221.1 1.0300 0.1500 I1 1923.6000 217.0 1.1300 0.1500 I1 1923.7970 213.8 1.0400 0.1500 I1 1923.8500 215.0 0.8600 0.1500 I1 1924.4100 214.2 1.0400 0.1500 I1 1924.5980 215.1 1.1200 0.1500 I1 1924.6300 212.6 0.9800 0.1500 I1 1924.9800 213.9 1.2400 0.1500 I1 1925.1420 216.1 1.0200 0.1500 I1 1925.3400 212.0 1.0300 0.1500 I1 1925.6400 213.0 0.9800 0.1500 I1 1925.7800 211.2 1.3000 0.1500 I1 1925.8400 209.7 1.1700 0.1500 I1 1926.5300 209.5 1.0300 0.1500 I1 1926.6300 208.0 1.0400 0.1500 I1 1927.7200 204.4 1.1600 0.1500 I1 1927.7500 200.0 0.8800 0.1500 I1 1927.7500 212.0 1.1200 0.1500 I1 1928.6600 200.7 1.1000 0.1500 I1 1928.6800 198.8 0.9700 0.1500 I1 1929.5600 200.9 0.7700 0.1500 I1 1929.5600 200.6 0.9300 0.1500 I1 1930.4500 195.9 1.0700 0.1500 I1 1930.4700 194.9 0.8300 0.1500 I1 1931.5300 191.5 0.9600 0.1500 I1 1931.7300 189.0 0.8800 0.1500 I1 1932.6800 182.4 0.9600 0.1500 I1 1932.7400 181.0 0.8300 0.1500 I1 1933.7200 176.1 0.7700 0.1500 I1 1933.8000 172.5 0.6600 0.1500 I1 1933.9100 173.9 0.8000 0.1500 I1 1934.6700 164.3 0.6300 0.1500 I1 1935.4700 163.2 0.7000 0.1500 I1 1935.6700 153.0 0.5800 0.1500 I1 1935.7200 153.0 0.9200 0.1500 I1 1936.6600 144.7 0.6300 0.1500 I1 1936.6600 145.5 0.8000 0.1500 I1 1937.6800 138.1 0.6300 0.1500 I1 1937.7300 136.9 0.6800 0.1500 I1 1937.8200 143.9 0.6400 0.1500 I1 1938.1000 142.2 0.6400 0.1500 I1 1938.6500 133.4 0.7400 0.1500 I1 1938.6800 129.0 0.5900 0.1500 I1 1938.7200 134.1 0.7000 0.1500 I1 1939.3200 134.0 0.6800 0.1500 I1 1939.5200 132.6 0.6500 0.1500 I1 1939.6600 131.2 0.5900 0.1500 I1 1939.6800 125.8 0.7300 0.1500 I1 1939.7000 121.1 0.6400 0.1500 I1 1940.6600 112.4 0.6000 0.1500 I1 1940.7000 118.4 0.7600 0.1500 I1 1941.6600 110.7 0.7200 0.1500 I1 1941.7600 104.4 0.6600 0.1500 I1 1942.6500 108.5 0.7900 0.1500 I1 1942.6600 103.3 0.8100 0.1500 I1 1942.7600 99.4 0.7600 0.1500 I1 1943.5700 98.5 0.7300 0.1500 I1 1943.6500 96.2 0.8200 0.1500 I1 1943.7400 107.8 0.7500 0.1500 I1 1943.7900 93.4 0.7900 0.1500 I1 1944.3500 96.6 1.0800 0.1500 I1 1944.6000 94.9 0.7300 0.1500 I1 1944.6700 88.9 0.8300 0.1500 I1 1945.6500 85.0 0.8600 0.1500 I1 1945.6500 88.0 1.0100 0.1500 I1 1945.7000 93.3 1.0200 0.1500 I1 1945.7400 84.3 0.8800 0.1500 I1 1946.6400 82.9 1.1800 0.1500 I1 1946.6900 85.1 0.9700 0.1500 I1 1946.6900 78.8 0.9900 0.1500 I1 1946.7000 82.0 0.9900 0.1500 I1 1946.8900 84.7 1.0800 0.1500 I1 1947.6500 76.4 1.0200 0.1500 I1 1948.6000 73.5 1.0500 0.1500 I1 1948.6200 75.4 1.0200 0.1500 I1 1948.6400 76.2 0.9400 0.1500 I1 1948.6700 71.4 1.0900 0.1500 I1 1949.6800 71.3 1.1100 0.1500 I1 1949.7000 73.6 1.1200 0.1500 I1 1950.6400 72.2 1.1100 0.1500 I1 1950.6900 68.4 1.2800 0.1500 I1 1951.6400 65.7 1.3800 0.1500 I1 1951.7400 68.0 1.1400 0.1500 I1 1951.7600 67.7 1.2100 0.1500 I1 1952.4800 65.5 1.2600 0.1500 I1 1952.6600 68.7 1.1200 0.1500 I1 1953.5600 63.9 1.2100 0.1500 I1 1953.7100 64.4 1.1700 0.1500 I1 1954.5600 56.5 1.1900 0.1500 I1 1954.5800 55.7 1.2200 0.1500 I1 1954.6600 60.1 1.3200 0.1500 I1 1954.7500 58.7 1.2900 0.1500 I1 1955.4400 59.1 1.2200 0.1500 I1 1955.7200 59.7 1.2200 0.1500 I1 1956.5100 56.5 1.2800 0.1500 I1 1956.6800 55.7 1.3300 0.1500 I1 1956.7900 55.5 1.3800 0.1500 I1 1957.4500 55.2 1.3100 0.1500 I1 1957.6200 53.6 1.3200 0.1500 I1 1957.6200 53.2 1.3700 0.1500 I1 1957.7400 53.3 1.3300 0.1500 I1 1957.7800 59.5 1.4400 0.1500 I1 1957.7800 52.7 1.1600 0.1500 I1 1958.3000 52.8 1.3400 0.1500 I1 1958.3700 51.2 1.2100 0.1500 I1 1958.5700 54.0 1.3800 0.1500 I1 1958.6400 49.3 1.4000 0.1500 I1 1958.7200 50.0 1.2200 0.1500 I1 1958.9600 53.0 1.1700 0.1500 I1 1959.5900 48.8 1.3900 0.1500 I1 1959.9100 48.5 1.3000 0.1500 I1 1960.4800 48.3 1.2700 0.1500 I1 1960.7100 47.8 1.2000 0.1500 I1 1961.4200 46.4 1.2400 0.0500 I1 1961.4900 47.8 1.2600 0.0500 I1 1961.5500 46.9 1.1500 0.0500 I1 1961.6100 44.2 1.1300 0.0500 I1 1961.6600 44.7 1.2600 0.0500 I1 1961.6900 46.1 1.0900 0.0500 I1 1961.7100 47.5 1.3100 0.0500 I1 1962.4600 43.4 1.0600 0.0500 I1 1962.6900 40.5 1.1400 0.0500 I1 1963.4800 40.5 1.0800 0.0500 I1 1963.6040 40.4 1.1400 0.0500 I1 1963.7100 40.7 0.9600 0.0500 I1 1963.8000 39.7 0.9300 0.0500 I1 1963.8200 38.5 1.0600 0.0500 I1 1964.5900 37.8 0.9600 0.0500 I1 1964.6300 34.2 0.8500 0.0500 I1 1964.6970 35.2 1.0600 0.0500 I1 1964.7500 33.5 0.9700 0.0500 I1 1965.0390 36.3 0.9700 0.0500 I1 1965.5800 31.8 0.8600 0.0500 I1 1965.5880 30.7 0.9400 0.0500 I1 1965.6200 28.0 0.7800 0.0500 I1 1965.8500 26.4 0.7600 0.0500 I1 1966.5310 24.5 0.7200 0.0500 I1 1966.6900 21.2 0.7500 0.0500 I1 1967.4790 15.8 0.6200 0.0500 I1 1967.7200 19.4 0.6600 0.0500 I1 1968.5320 5.0 0.5300 0.0500 I1 1969.6890 349.8 0.4000 0.0500 I1 1969.7100 346.5 0.5200 0.0500 I1 1970.5880 331.0 0.3700 0.0500 I1 1970.9000 331.3 0.3900 0.0500 I1 1971.6700 299.3 0.3400 0.0500 I1 1972.6660 281.1 0.4500 0.0500 I1 1973.6020 267.9 0.5700 0.0500 I1 1973.6550 269.4 0.5700 0.0500 I1 1974.6030 260.0 0.7000 0.0500 I1 1975.4900 260.3 0.6700 0.0500 I1 1975.5400 250.5 0.6900 0.0500 I1 1975.6190 251.2 0.7200 0.0500 I1 1976.3694 244.2 0.8420 0.0050 I1 1976.4540 245.1 0.8510 0.0050 I1 1976.4800 250.6 0.7800 0.0500 I1 1976.6820 243.4 0.8700 0.0500 I1 1977.5820 240.1 0.9900 0.0500 I1 1978.5160 236.1 1.0300 0.0500 I1 1978.5500 240.4 1.0500 0.0500 I1 1979.5000 234.2 0.9800 0.0500 I1 1980.1320 226.3 1.0900 0.0500 I1 1980.4700 231.6 1.1700 0.0500 I1 1981.5500 227.7 1.2000 0.0500 I1 1981.6400 222.5 1.1800 0.0500 I1 1981.6993 225.5 1.1600 0.0050 I1 1982.4418 223.6 1.1570 0.0050 I1 1982.5200 226.9 1.1900 0.0500 I1 1982.6490 222.8 1.3400 0.0500 I1 1983.5000 221.3 1.2900 0.0500 I1 1983.6580 221.4 1.2800 0.0500 I1 1984.1130 219.3 1.0900 0.0500 I1 1984.5100 217.4 1.2500 0.0500 I1 1984.6750 216.2 1.1800 0.0500 I1 1985.5200 213.8 1.1800 0.0500 I1 1985.5940 214.6 1.1800 0.0500 I1 1986.5100 210.7 1.1800 0.0500 I1 1986.5580 209.6 1.1700 0.0500 I1 1987.5200 201.9 1.1100 0.0500 I1 1987.6070 206.2 1.1000 0.0500 I1 1987.6240 209.6 1.2200 0.0500 I1 1987.6800 206.3 1.1200 0.0500 I1 1987.6940 203.7 0.9700 0.0500 I1 1988.5740 206.2 0.9700 0.0500 I1 1988.6750 204.3 1.0600 0.0500 I1 1989.4900 192.1 0.9400 0.0500 I1 1989.6290 202.2 1.0900 0.0500 I1 1989.6290 201.2 1.0300 0.0500 I1 1989.6860 203.0 1.0600 0.0500 I1 1990.5470 203.0 1.1800 0.0500 I1 1990.5580 201.5 1.0100 0.0500 I1 1990.5700 189.9 0.9200 0.0500 I1 1991.2500 196.2 0.9300 0.0100 I1 1991.5800 196.9 0.9920 0.0300 I1 1991.6200 186.0 0.9200 0.0500 I1 1992.6500 181.3 0.9200 0.0500 I1 1992.8100 184.7 1.1100 0.0500 I1 1993.4500 175.8 0.8000 0.0500 I1 1994.5800 173.0 0.6200 0.0500 I1 1995.5400 170.2 0.6800 0.0500 I1 1996.6390 161.5 0.7100 0.0500 I1 1996.6400 161.5 0.7100 0.0500 I1 1997.5190 155.9 0.6780 0.0050 I1 1997.6000 151.5 0.7700 0.0500 I1 1997.6121 156.5 0.6610 0.0050 I1 1997.6700 151.2 0.6800 0.0500 I1 1999.5600 136.1 0.7000 0.0500 I1 2000.4984 131.2 0.6490 0.0050 I1 2000.5068 131.1 0.6500 0.0050 I1 2000.5121 131.8 0.6600 0.0050 I1 2000.6000 128.5 0.7000 0.0500 I1 2001.4500 118.2 0.7100 0.0500 I1 2001.5470 121.9 0.6920 0.0060 I1 2001.5579 122.5 0.6840 0.0060 I1 2002.4300 112.7 0.6800 0.0500 I1 2003.5600 105.0 0.7600 0.0500 I1 2003.6158 106.9 0.7485 0.0050 I1 2003.6869 106.5 0.7568 0.0050 I1 2004.2848 102.7 0.7836 0.0050 I1 2004.2875 102.7 0.7830 0.0050 I1 2004.3231 102.5 0.7851 0.0050 I1 2004.3831 102.1 0.7881 0.0050 I1 2004.4460 101.7 0.7900 0.0050 I1 2004.4569 101.7 0.7911 0.0050 I1 2004.4978 101.4 0.7929 0.0050 I1 2004.5100 99.6 0.7800 0.0500 I1 2004.5253 101.2 0.7943 0.0050 I1 2004.5281 101.2 0.7947 0.0050 I1 2004.5744 101.0 0.7968 0.0050 I1 2004.5936 100.8 0.7976 0.0050 I1 2004.6099 100.7 0.7984 0.0050 I1 2004.6234 100.7 0.7987 0.0050 I1 2004.6291 100.7 0.7983 0.0050 I1 2004.6480 100.5 0.8002 0.0050 I1 2004.6580 100.9 0.7820 0.0050 I1 2004.6699 100.4 0.8017 0.0050 I1 2004.6726 100.4 0.8013 0.0050 I1 2004.7055 100.2 0.8034 0.0050 I1 2004.7274 100.0 0.8042 0.0050 I1 2005.3030 96.9 0.8308 0.0050 I1 2005.4756 95.9 0.8405 0.0050 I1 2005.4944 95.8 0.8413 0.0050 I1 2005.5328 95.6 0.8438 0.0050 I1 2005.5360 94.8 0.9000 0.0500 I1 2005.5874 95.3 0.8453 0.0050 I1 2005.6255 95.1 0.8474 0.0050 I1 2005.6283 95.1 0.8476 0.0050 I1 2005.6473 95.0 0.8487 0.0050 I1 2005.6637 94.9 0.8491 0.0050 I1 2005.6665 94.9 0.8494 0.0050 I1 2005.6800 92.5 0.8400 0.0500 I1 2005.7349 94.5 0.8534 0.0050 I1 2006.3354 91.6 0.8844 0.0050 I1 2006.3736 91.4 0.8862 0.0050 I1 2006.3764 91.3 0.8862 0.0050 I1 2006.4365 91.0 0.8892 0.0050 I1 2006.4911 90.8 0.8928 0.0050 I1 2006.5102 90.7 0.8935 0.0050 I1 2006.5130 90.7 0.8930 0.0050 I1 2006.5648 90.5 0.8959 0.0050 I1 2006.5653 90.3 0.8920 0.0050 I1 2006.6031 90.3 0.8979 0.0050 I1 2006.6412 90.1 0.9005 0.0050 I1 2006.6439 90.1 0.9000 0.0050 I1 2006.6603 90.0 0.9013 0.0050 I1 2006.6900 89.7 0.8300 0.0500 I1 2006.7096 89.8 0.9038 0.0050 I1 2006.7122 89.8 0.9032 0.0050 I1 2006.7200 88.8 0.8980 0.0050 I1 2006.7424 89.6 0.9056 0.0050 I1 2007.4686 86.4 0.9433 0.0050 I1 2007.4878 86.3 0.9445 0.0050 I1 2007.5042 86.3 0.9451 0.0050 I1 2007.5287 86.2 0.9464 0.0050 I1 2007.5451 86.1 0.9478 0.0050 I1 2007.5860 85.9 0.9492 0.0050 I1 2007.5900 88.2 0.8900 0.0500 I1 2007.5998 85.9 0.9506 0.0050 I1 2007.6435 85.7 0.9530 0.0050 I1 2007.6626 85.6 0.9535 0.0050 I1 2007.6762 85.5 0.9544 0.0050 I1 2007.6816 85.5 0.9547 0.0050 I1 2007.7008 85.5 0.9559 0.0050 I1 2007.7526 85.2 0.9583 0.0050 I1 2007.7554 85.2 0.9585 0.0050 I1 2007.7718 85.2 0.9590 0.0050 I1 2008.5609 82.1 1.0007 0.0050 I1 2008.5991 82.0 1.0033 0.0050 I1 2008.6346 81.8 1.0049 0.0050 I1 2008.6565 81.7 1.0049 0.0050 I1 2008.7760 79.7 0.9890 0.0050 I1 2009.7000 78.8 0.9900 0.0500 I1 2009.7345 78.0 1.0490 0.0075 I1 2009.7400 77.4 1.0520 0.0050 I1 2010.3870 74.7 1.0970 0.0050 I1 2010.5860 75.8 1.0700 0.0030 I1 2011.5660 72.1 1.1390 0.0075 I1 2011.6970 71.2 1.1510 0.0050 I1 2013.7280 65.7 1.2240 0.0050 I1 2015.5000 62.3 1.2748 0.0010 I1 2015.6950 63.1 1.2650 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) 1977.349 -49.990 0.480 -0.805 Va 1977.355 -49.700 0.270 -0.514 Va 1978.472 -49.530 0.220 -0.139 Va 1979.452 -49.290 0.220 0.201 Va 1981.669 -49.780 0.290 -0.284 Va 1982.562 -49.050 0.290 0.382 Va 1983.400 -48.920 0.290 0.425 Va 1983.567 -49.300 0.280 0.025 Va 1984.446 -49.340 0.280 -0.133 Va 1986.756 -48.490 0.280 0.333 Va 1987.242 -48.830 0.290 -0.097 Va 1988.225 -48.310 0.300 0.232 Va 1988.531 -48.280 0.280 0.201 Va 1989.544 -48.710 0.280 -0.436 Va 1989.549 -48.200 0.270 0.073 Va 2001.449 -45.870 0.250 -0.131 Va 2001.452 -45.770 0.250 -0.032 Va 2001.455 -45.870 0.250 -0.132 Va 2001.458 -45.860 0.250 -0.123 Va 2002.350 -45.550 0.250 0.004 Va 2002.353 -45.120 0.250 0.433 Va 2002.741 -45.350 0.250 0.124 Va 2002.744 -45.310 0.250 0.163 Va 2002.746 -45.430 0.250 0.043 Va 2002.771 -45.220 0.250 0.248 Va 2002.774 -45.440 0.250 0.027 Va 2003.811 -45.390 0.250 -0.132 Va 2003.817 -45.200 0.250 0.057 Va 2003.820 -45.270 0.250 -0.014 Va 2004.278 -45.330 0.250 -0.166 Va 2004.280 -45.260 0.250 -0.096 Va 2004.387 -45.230 0.250 -0.087 Va 2004.390 -45.280 0.250 -0.138 Va