WDS Star No. 02424+2001 ======================= RA & DEC Disc. Comp No. Magnitudes Spec. PM/1000 yr DM No. (2000) Number Obs. A B Type RA DEC 02424+2001 BLA 1 Aa 21 5.69 6.2 A0V +025-046 +19 403 Precise Position of Primary of System or Subsystem (when available) RA = 02 42 21.92 Dec = +20 00 41.7 Note? = yes Orbit? = yes Linear Fit? = no DM? = yes Other? = no Date Observed Position Angle Separation First 1975 147 0.0 Last 1999 281 0.0 Observations ============ Date P.A. Sep. Mag-a Mag-b # RefCode Aperture Method Codes 1975.6394 147. 0.028 . . 1 Bla1977a 200 S 1975.7814 145. 0.036 . . 1 Bla1977a 158 S 1977.7338 68.7 0.036 . . 1 McA1980b 158 S 1977.7419 66.5 0.041 . . 1 McA1980b 158 S 1978.6099 86.5 0.048 . . 1 McA1980b 158 S 1978.6155 85.5 0.048 . . 1 McA1980b 158 S 1978.6182 83.6 0.051 . . 1 McA1980b 158 S 1979.5326 102.3 0.062 . . 1 McA1982d 158 S 1979.7733 99.4 0.052 . . 1 McA1982d 158 S 1981.6847 78. 0.045 . . 1 Bag1984b 236 S 1981.6900 79. 0.040 . . 1 Bag1984b 236 S 1982.7659 105.4 0.052 . . 1 McA1987b 158 S P 1982.848 112.0 0.030 . . 3 Tok1983 40 P 1983.9604 305.3 0.040 . . 1 Bag1985 236 S 1984.8430 167.1 0.029 . . 1 Bag1987 236 S U 1986.7010 249.6 0.037 . . 1 Bag1989a 236 S 1986.8888 253.4 0.042 . . 1 McA1989 158 S 1987.7626 266.8 0.052 . . 1 McA1989 158 S 1988.6554 283.2 0.046 . . 1 McA1990 158 S 1988.6635 279.8 0.050 . . 1 McA1990 158 S 1999.8130 281.2 0.0447 . 0.46 1 Bag2004 236 F 2003.0069 . . . . 1 Rbr2005 142 U R S RA & DEC Disc. Comp No. Magnitudes Spec. PM/1000 yr DM No. (2000) Number Obs. A B Type RA DEC 02424+2001 BU 522 Aa-B 8 5.7 12.2 A0V +028-047 Precise Position of Primary of System or Subsystem (when available) RA = 02 42 21.9 Dec = +20 00 41. Note? = no Orbit? = no Linear Fit? = no DM? = yes Other? = no Date Observed Position Angle Separation First 1878 266 19.1 Last 1999 265 19.2 Observations ============ Date P.A. Sep. Mag-a Mag-b # RefCode Aperture Method Codes 1878.75 265.8 19.10 0.6 12.5 1 Bu_1879 18 A 1892.00 263.1 19.25 6.0 13.3 3 Bu_1894 36 A 1898.71 263.9 19.36 5.5 13. 1 Bu_1900 40 A 1900.832 263.1 19.63 6.0 12.7 3 Doo1905 18 A 1917.185 262.5 18.98 . . 3 Fox1925 18 A 1925.03 265.0 19.00 6.4 12.5 2 Opi1927 08 A 1934.89 264.5 19.17 . 12.3 1 Kui1961b 36 A W 1991.25 . . . . 1 HIP1997e 54 T S 1999.90 264.7 19.17 . . 1 TMA2003 51 E K WDS Index Catalog Notes ======================= Aa: Mu Ari. P = 8.8yr., a = 0.05", motion direct. 6th Orbit Catalog Orbits ======================== ----P------- ---a------ --i----- Node---- -----T------- -e------ omega--- G Refcode 8.845 y 0.0563 a 71.2 101.0 1981.099 y 0.337 92.3 2 Msn1997a +/- 0.046 0.0008 1.1 1.0 0.063 0.023 1.7 6th Orbit Catalog Ephemerides ----------------------------- Refcode Theta Rho Theta Rho Theta Rho Theta Rho Theta Rho 2004 2005 2006 2007 2008 Msn1997a 58.6 0.033 82.5 0.049 96.6 0.054 116.5 0.032 255.0 0.024 Delta-M Catalog Measures ======================== Name & Comp DM Method N Notes (e.g. filter, error) Refcode BLA 1Aa 0.14 O 1 0.12 deV1976 BLA 1Aa 0.31 O 1 0.11 deV1976 BLA 1Aa 0.33 O 1 550+/- 62 0.51 Mey1995 BLA 1Aa 0.35 O 1 590+/-288 0.36 Bvr1977 BLA 1Aa 0.46 F 1 Extracted from WDS, t = 1999.8130 Bag2004 BLA 1Aa 0.46 S 1 545+/- 30 0.02 t = 1999.813 Bag2004 BLA 1Aa 0.48 S 1 545+/- 30 0.02 t = 1999.8130 Plz2005 BLA 1Aa 0.53 O 1 550+/-100 0.12 Mey1995 BLA 1Aa 0.58 O 1 460+/- 62 0.08 Mey1995 BLA 1Aa 0.59 O 1 445+/- 98 0.26 Bvr1977 BLA 1Aa 0.59 O 1 0.07 deV1976 BLA 1Aa 0.61 O 1 0.05 deV1976 BLA 1Aa 0.62 O 1 460+/- 62 0.05 Mey1995 BLA 1Aa 0.73 O 1 438+/- 80 0.10 Mey1995 BU 522Aa-B 4.01 F 1 2155+/-155 0.03 t = 1999.90 kmag = TMA2003 BU 522Aa-B 4.12 F 1 1650+/-140 0.05 t = 1999.90 hmag = TMA2003 BU 522Aa-B 4.77 F 1 1255+/-145 0.04 t = 1999.90 jmag = TMA2003 BU 522Aa-B 6.76 Y 4 Wal1947 WDS References refcode tech Author(s)/Reference ==================================== Bag1984b Spe Balega, Y.Y., Bonneau, D., & Foy, R. A&AS 57, 31, 1984 Bag1985 Spe Balega, Y.Y. & Balega, I.I. SvAL 11, 47, 1985 Bag1987 Spe Balega, I.I. & Balega, Y.Y. SvAL 13, 208, 1987 Bag1989a Spe Balega, I.I. Balega, Yu.Yu., & Vasyuk, V.A. Astrofiz. Issled. Izv. Spets. Ast. Obs. 28, 107, 1989 (some data also in Bag1991b) Bag2004 Spe Balega, I.I., Balega, Y.Y., Maksimov, A.F., A&A 422, 627, 2004 +F Pluzhnik, E.A., Schertl, D., Shkhagosheva, Z.U., & Weigelt, G. Bla1977a Spe Blazit, A., Bonneau, D., Koechlin, L. & ApJ 214, L79, 1977 Labeyrie, A. Bu_1879 A Burnham, S.W. MemRAS 44, 141, 1879 Bu_1894 A Burnham, S.W. Publ. Lick Obs. 2, 1894 +orb (includes most of the measures from AN 131, 329, 1893) Bu_1900 A Burnham, S.W. Publ. Yerkes Obs. 1, 1, 1900 Bvr1977 Occ Eitter, J.J. & Beavers, W.I. ApJS 34, 493, 1977 deV1976 Occ de Vegt, C. & Gehlich, U.K. A&A 48, 245, 1976 Doo1905 A Doolittle, E. Publ. Univ. Penn. 2, Pt. 3, 1905 Fox1925 A Fox, P. Ann. Dearborn Obs. 2, 1, 1925 +W HIP1997e Thp Hipparcos Hipparcos Catalog, ESA SP-1200, 1997 (single star systems) Kui1961b A Kuiper, G.P. ApJS 6, 1, 1961 McA1980b Sch McAlister, H.A. & Fekel, F.C. ApJS 43, 327, 1980 McA1982d Sch McAlister, H.A. & Hendry, E.M. ApJS 49, 267, 1982 McA1987b Sch McAlister, H.A., Hartkopf, W.I., Hutter, D.J., AJ 93, 688, 1987 & Franz, O.G. McA1989 Sch McAlister, H.A., Hartkopf, W.I., Sowell, J.R., AJ 97, 510, 1989 Dombrowski, E.G., & Franz, O.G. McA1990 Sch McAlister, H.A., Hartkopf, & Franz, O.G. AJ 99, 965, 1990 Mey1995 Occ Meyer, C., Rabbia, Y., Froeschle, M., Helmer, A&AS 110, 107, 1995 G. & Amieux, G. Msn1997a Sch Mason, B.D. AJ 114, 808, 1997 +orb Opi1927 A Opik, E. Publ. Tartu Obs. 26, #5, 1927 Plz2005 Spe Pluzhnik, E.A. A&A 431, 587, 2005 Rbr2005 U Roberts, L.C., Jr., Turner, N.H., Bradford, AJ 130, 2262, 2005 L.W., ten Brummelaar, T.A., Oppenheimer, B.R., Kuhn, J.R., Whitman, K., Perrin, M.D., et al. TMA2003 E2m 2MASS Catalog 2MASS Point Src Cat., 2003 all-sky release (http://pegasus.phast.umass.edu/) Tok1983 Qpi Tokovinin, A.A. SvAL 9, 293, 1983 (Pisma Astron. Zhur. 9, 559, 1983) +P +S Wal1947 A Wallenquist, A. Ann. Uppsala Astron. Obs. 2, No.2, 1947 (A catalogue containing results of the two prior series, plus additional measures with the 14-inch refractor and wedge photometer)