GJ 65 AB WDS Star No. 01388-1758 No. Magnitudes Spec. PM/1000 yr Precision position Obs. A B Type RA DEC 82 12.45 12.95 dM5.5e +999+562 01 39 00.79 -17 57 03.9 Date PA Err Sep Err Wt Filter dmag Err Tech Telescope # Ref Notes 1935. 118. . 2. . 4.30 0.5 . PHT 1 WDS2006 Luy1969 1948.72 117.9 . 1.65 . 20.00 . . MIC 3 WDS2006 VBs1954 1948.77 116.1 . 1.51 . 17.00 . . MIC 1 WDS2006 Hum1949 1948.93 120.4 . 1.42 . 3.50 . . MIC 1 WDS2006 B_1951a 1949.62 104.5 . 1.76 . 7.00 0.5 . MIC 2 WDS2006 VBs1954 1949.93 115. . . . . . . MIC 1 WDS2006 B_1951a 1949.97 103.4 . 1.50 . 5.50 . . MIC 4 WDS2006 Mrz1956 1950.63 97.8 . 1.61 . 17.00 . . PHT 1 WDS2006 Baa1950 1950.63 97.3 . 1.64 . 17.00 . . PHT 100-in 1 Luy1950 >>>>>>>> 1950.63 96.5 . 1.55 . 9.70 . . PHT 60-in, Palomar 1 Luy1950 1950.83 93.6 . 1.61 . 7.50 . . MIC 3 WDS2006 Mrz1956 1951.01 94.3 . 1.92 . 25.00 . . MIC 3 WDS2006 VBs1954 1951.71 82.3 . 1.46 . 3.80 . . MIC 2 WDS2006 Mrz1956 1951.80 88.3 . 1.74 . 17.00 . . MIC 3 WDS2006 VBs1960 1952.56 . . 1.44 . 4.60 . . MIC 3 WDS2006 Dju1953a 1952.65 85.1 . . . . 0.3 . MIC 4 WDS2006 Dju1953a 1952.68 83.2 . 1.65 . 1.00 . . PHT 24-in, Swarthmore 1 Hei1987a 1952.83 75.2 . 1.44 . 1.30 . . MIC 2 WDS2006 Mrz1956a 1953.01 77.1 . 1.82 . 25.00 . . MIC 5 WDS2006 VBs1960 1953.92 66.8 . 1.93 . 5.20 0.3 . MIC 3 WDS2006 Dju1953c 1954.72 62.5 . 1.99 . 60.00 . . PHT 6 WDS2006 Baa1954 1954.75 63.2 . 1.64 . 5.20 0.3 . MIC 4 WDS2006 Dju1954c 1954.78 65.3 . 1.92 . 19.00 . . MIC 4 WDS2006 VBs1960 1954.84 64.3 . 1.91 . 1.70 . . PHT 24-in, Swarthmore 2 Hei1987a 1955.72 56.2 . 1.82 . 1.80 0.3 . MIC 2 WDS2006 Dju1955b 1955.78 57.0 . 1.99 . 24.00 . . MIC 4 WDS2006 VBs1960 1955.92 55.3 . 1.49 . 1.50 0.3 . MIC 2 WDS2006 Dju1955b 1956.67 52.0 . 2.15 . 2.10 . . MIC 36-in, Lick 1 Wor1962 1956.74 49.3 . 1.79 . 2.50 0.3 . MIC 4 WDS2006 Dju1956b 1956.83 45.3 . 1.87 . 2.10 . . PHT 24-in, Swarthmore 1 Hei1987a 1957.88 41.4 . 2.16 . 32.00 . . MIC 6 WDS2006 VBs1960 1957.90 37.8 . 1.90 . 2.70 0.2 . MIC 4 WDS2006 Dju1975b 1958.01 44.8 . 2.26 . 1.60 0.6 . MIC 15-in,De L'observatoire De Nice 3 Cou1958c 1958.59 34.9 . 2.29 . 20.00 . . MIC 2 WDS2006 VBs1960 1958.91 41.7 . 2.24 . 1.60 0.5 . MIC 15-in,De L'observatoire De Nice 3 Cou1958c 1958.98 32.7 . 2.18 . 3.00 . . PHT 24-in, Swarthmore 2 Hei1987a 1959.71 31.2 . 2.49 . 6.50 0.4 . MIC 36-in, Lick 5 Wor1962 1959.78 26.4 . 1.88 . 1.90 0.6 . MIC 2 WDS2006 Dju1959c 1959.817 28.76 . 2.176 . 2.20 . . PHT 36-in, Lick 1 Kpr1976b 1959.89 36.7 . 2.00 . 0.82 0 . MIC 1 WDS2006 Cou1962a 1961.01 22.8 . 2.46 . 6.00 0.5 . MIC 36-in, Lick 4 Wor1962 1961.743 15.8 . 2.56 . 16.00 . . MIC 1 WDS2006 VBs1965 1961.825 15.8 . 1.72 . 3.00 0.3 . MIC 3 WDS2006 Dju1967 1962.23 14.6 . 2.42 . 5.90 0.5 . MIC 4 WDS2006 B_1963b 1962.340 9.4 . 2.76 . 4.00 . . MIC 1 WDS2006 VBs1965 1962.959 9.5 . 2.58 . 3.20 . . MIC 1 WDS2006 VBs1965 1963.02 11.7 . 2.53 . 3.00 . . PHT 24-in, Swarthmore 2 Hei1987a 1963.857 6.0 . 1.72 . 1.60 0.3 . MIC 1 WDS2006 Dju1967 1963.857 5.2 . 2.10 . 2.00 0.3 . MIC 1 WDS2006 Pop1967 1964.695 3.5 . 2.48 . 5.60 0.5 . MIC 1 WDS2006 Wor1972A 1964.902 1.5 . 2.18 . 4.90 . . PHT 61-in,USN 1 USN1988b 1964.926 2.1 . 2.48 . 10.90 . . MIC 2 WDS2006 VBs1965 1965.0 0.5 . 2.2 . 5.00 0.5 . PHT 1 WDS2006 USN1972 1965.09 357.9 . 2.37 . 3.50 . . PHT 3 Hei1987a 1965.719 356.9 . 2.14 . 10.00 . . PHT 61-in,USN 4 USN1988b 1966.08 355.7 . 2.88 . 15.50 . . MIC 3 WDS2006 VBs1975 1966.679 351.3 . 2.08 . 5.00 . . PHT 61-in,USN 1 USN1988b 1967.759 345.3 . 1.90 . 6.50 . . PHT 61-in,USN 2 USN1988b 1967.90 345.6 . 2.68 . 18.00 . . MIC 4 WDS2006 VBs1975 1968.086 344.0 . 1.12 . 1.00 0.4 . MIC 1 WDS2006 Dju1969 1968.606 340.1 . 1.54 . 9.50 . . PHT 61-in,USN 7 USN1988b 1968.892 337.1 . 2.61 . 6.20 . . MIC 1 WDS2006 VBs1975 1969.644 328.8 . 1.22 . 4.10 . . PHT 61-in,USN 2 USN1988B 1970.556 314.6 . 1.01 . 1.40 0.5 . MIC 1 WDS2006 Wor1972b 1970.562 317.3 . 1.02 . 3.40 0.4 . MIC 2 WDS2006 Wor1972b 1972.920 157.6 . 1.02 . 2.50 . . PHT 61-in,USN 1 USN1988b 1974.920 119.3 . 1.43 . 3.50 . . PHT 61-in,USN 1 USN1988b 1975.720 111.7 . 1.60 . 6.00 0.3 . MIC 3 WDS2006 Wor1978 1975.800 107.3 . 1.43 . 9.30 . . PHT 61-in,USN 7 USN1988b 1976.772 99.3 . 1.55 . 10.00 . . PHT 61-in,USN 7 USN1988b 1977.734 91.4 . 1.64 . 6.90 . . PHT 61-in,USN 3 USN1988b 1978.755 82.8 . 1.71 . 10.20 . . PHT 61-in,USN 6 USN1988b 1978.799 84.7 . 1.90 . 7.10 0.4 . MIC 3 WDS2006 Wor1989 1979.796 75.0 . 1.66 . 9.90 . . PHT 61-in,USN 6 USN1988b 1980.785 66.8 . 1.77 . 14.20 . . PHT 61-in,USN 11 USN1988b 1981.743 58.8 . 1.84 . 16.00 . . PHT 61-in,USN 13 USN1988b 1982.7548 52.4 . 1.971 . 50.00 . . SPK2D 158-in,Kitt Peak 1 McA1987b 1982.758 51.8 . 1.82 . 12.40 . . PHT 61-in,USN 8 USN1988b 1983.73 41.3 . 2.05 . 4.00 0.4 . MIC 36-in,CTIO 2 Hei1985a 1983.741 44.6 . 1.93 . 13.10 . . PHT 61-in,USN 8 USN1988b 1984.244 40.7 . 1.94 . 9.10 . . PHT 61-in,USN 3 USN1988b 1988.95 12.9 . 2.22 . 3.40 . . PHT 2 WDS2006 Hei1990b 1987.852 N . 2.11 0.21 00.00 H 0.30 0.02 SPK1D 90-in,Steward obs 1 Hen1993 1987.855 E . 0.63 0.06 00.00 J 0.62 0.07 SPK1D 90-in,Steward obs 1 Hen1993 1988.104 E . 0.70 0.007 00.00 K 0.40 0.07 SPK1D 90-in,Steward obs 1 Hen1993 1990.910 5.0 2 2.135 0.082 3.00 J 0.33 0.03 SPK2D 90-in,Steward obs 1 Hen1993 1997.486 294.68 . 0.796 . 15.00 0.21 . WFPC,HST 1 Shd2000 1997.571 290.62 . 0.749 . 14.00 0.21 . WFPC,HST 1 Shd2000 2006.7949 68.81 1.1852 1.69 0.02 7.90 I PHT 0.9m,CTIO 7 RECONS (Data from Dr. Fritz Benedict) 1995.5041 333.8123 1.6866 50.0 FGS 1995.5397 332.5622 1.6485 50.0 FGS 1995.6820 331.9542 1.6299 50.0 FGS 1995.8630 329.9552 1.5693 50.0 FGS 1995.9420 329.0165 1.5410 50.0 FGS 1996.0164 327.9162 1.5082 50.0 FGS 1996.1123 326.9050 1.4783 50.0 FGS 1996.4000 322.7857 1.3607 50.0 FGS 1996.4548 321.9332 1.3373 50.0 FGS 1996.5671 320.0798 1.2878 50.0 FGS 1996.6384 318.8671 1.2564 50.0 FGS 1996.6384 318.8340 1.2555 50.0 FGS 1996.9699 312.0169 1.0951 50.0 FGS CTIO Cerro Tololo Inter-American Obsevatory HST Hubble Space Telescope USN U.S. Naval Obsevatory ********************************************************* Ephemerides (WDS2006) ******************************************************************************** Date PA Sep. 2004 95.1 1.594 2005 85.8 1.645 2006 77.0 1.696 2007 68.7 1.750 2008 60.9 1.806 ****************************************************************Previous orbits**************************************************************************************** P : 26.52 yrs USN1988b a : 1.95 arcsec USN1988b i : 127.3 deg USN1988b node : 150.5 deg USN1988b T : 1971.9 USN1988b e : 0.62 USN1988b Omega : 285.3 deg USN1988b Masses : A: 0.115 +/- 0.008 WDS2006 B: 0.109 +/- 0.008 WDS206 Retrograde motion ********************************************************************************************************************************************************************************