Biperiodic orbital period modulation of the W UMa binary system CK Bootis

New Astronomy

Volumn 17, Issue 7, 2012, Pages 667-672

  Pop, Alexandru ^a   Vamoş, Calin ^b  

^a Astronomical Institute of the Romanian Academy   (Romania)

^b ACADEMY OF ROMANIAN SCIENTISTS   (Romania)

Author keywords

Methods: data analysis; Stars: binaries: close; Stars: binaries: eclipsing; Stars: individual: CK Boo

Indexed keywords

EID: 84861002774     PISSN: 13841076     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.newast.2012.04.003     Document Type: Article

References (55)

1. K.D. Abhyankar, and T. Panchatsaram Light time effect in TW Draconis MNRAS 211 1984 75
2. J.H. Applegate A mechanism for orbital period modulation in close binaries ApJ 385 1992 621
3. Z. Aslan, and E. Derman Photoelectric observations of CK bootis A&AS 66 1986 281
4. F.J.M. Barning The numerical analysis of the light-curve of 12 Lacertae BAN 17 1963 22
5. T. Borkovits, and T. Hegedüs On the invisible components of some eclipsing binaries A&AS 12 1996 63
6. T. Borkovits, Sz. Csizmadia, T. Hegedüs, I.B. Bíró, Zs. Sándor, and A. Opitz Complex period variations in the binary system IM Aurigae A&A 392 2002 895
7. T. Borkovits, M.M. Elkhateeb, Sz. Csizmadia, J. Nuspl, I.B. Bíró, T. Hegedüs, and R. Csorvási Indirect evidence for short period magnetic cycles in W UMa stars. Period analysis of five overcontact systems A&A 441 2005 1087
8. 2 Tau. A&A, 175, 117.
9. C. D'Angelo, M.H. van Kerkwijk, and S.M. Rucinski Contact binaries with additional components. II. A spectroscopic search for faint tertiaries AJ 132 2006 650
10. O. Demircan BV observations of W UMa-type binaries: CK Bootis, BI CVn, and AH Vir Ap&SS 135 1987 169
11. O. Demircan, and S.O. Selam Long-term behaviour of the orbital period of Algol-type binary ST Persei A&AS 98 1993 513
12. E. Derman, and O. Demircan A period study of GK Cephei AJ 103 1992 599
13. Diethelm, R., 2011.Timings of minima of eclipsing binaries. IBVS, 5992.
14. K.D. Gazeas, P.G. Niarchos, S. Zola, J.M. Kreiner, and S.M. Rucinski Physical parameters of components in close binary systems: VI AcA 56 2006 127
15. D.S. Hall The relation between RS CVn and Algol SSR 50 1989 219
16. D.S. Hall Period changes and magnetic cycles C. Ibanoglu, Active Close Binaries 1990 Kluwer Academic Publishers Dordrecht 95
17. S.-S. Huang Modes of mass ejection by binary stars and effect on their orbital periods ApJ 138 1963 471
18. Jia, G., Liu, X., Huang, H., 1992. 1991 Photometry of the W UMa type binary CK Boo. IBVS, 3727.
19. R. Kalci, and E. Derman CK Bootis: a W UMa system with a small mass ratio AN 326 2005 342
20. A. Kalimeris, H. Rovithis-Livaniou, and P. Rovithis On the orbital changes in contact binaries A&A 282 1994 775
21. A. Kalimeris, H. Rovithis-Livaniou, P. Rovithis, G. Oprescu, A. Dumitrescu, and M.D. Suran An orbital period study of the contact system AB Andromedae A&A 291 1994 765
22. Z. Kopal Dynamics of Close Binary Systems 1978 D. Reidel Publishing Company Dordrecht
23. J.M. Kreiner Investigation of changes in periods of eclipsing variables AcA 21 1971 365
24. J. Krzesiński, M. Mikolajewski, G. Pajdosz, and S. Zola An observational study of a spotted W UMa-type binary star CK Bootis Ap&SS 184 1991 37
25. A.F. Lanza, and M. Rodonò Orbital period modulation and quadrupole moment changes in magnetically active close binaries A&A 349 1999 887
26. A.F. Lanza, M. Rodonò, and R. Rosner Orbital period modulation and magnetic cycles in close binaries MNRAS 296 1998 893
27. Li, Y., Qian, S.B., 2005. GMG 2.4-m telescope and light-time effect research for W UMa-type binaries. In: Sterken, C. (Ed.), ASP Conference Series, vol. 335, p. 245.
28. W.-P. Liao, and S.-B. Qian The most plausible explanation of the orbital period changes in close binaries: the case of the RS CVn-type binary WW Dra MNRAS 405 2010 1930
29. P. López de CocaLópez de Coca, R. Garrido, and A. Rolland Mode identification for the Delta Scuti variable HR 7222 A&AS 58 1984 441
30. T. Panchatsaram Light-time effect in RT Persei Ap&SS 77 1981 179
31. T. Panchatsaram, and K.D. Abhyankar SW Lacertae - a quadruple system Bull. Astron. Soc. India 9 1981 31
32. A. Pop The use of characteristic time to the study of period variability phenomena Romanian Astron. J. 6 1996 147
33. Pop, A., 1999. A multiperiodic ephemeris for RZ Cephei. In: IBVS, vol. 4801.
34. Pop, A., 2005. On the orbital period modulation of the eclipsing binary system Y Leonis. In: Sterken, C. (Ed.), ASP Conference Series, vol. 335, p. 263.
35. A. Pop On the detection and diagnosis of low-level stellar variability Romanian Astron. J. 17 2007 35
36. A. Pop, and R. Roman RT and: multiperiodic orbital period variability, resonance, and the hypothesis of the light-time effect Romanian Astron. J. 15 2005 163 Supplement
37. A. Pop, and C. Vamoş The detection and diagnosis of low-level stellar variability through resampling methods Romanian Astron. J. 17 2007 101
38. A. Pop, I. Todoran, and F. Agerer Multiperiodic behaviour of RT Persei Romanian Astron. J. 6 1996 141
39. A. Pop, V. Liteanu, and C. Pavel On the multiperiodicity of the orbital period variation of ST Persei Romanian Astron. J. 10 2000 25
40. A. Pop, V. Liteanu, and D. Moldovan On the period variability of GP Andromedae Ap&SS 284 2003 1207
41. A. Pop, C. Vamoş, and V. Turcu Deterministic components in the light curve amplitude of Y Oph AJ 139 2010 425
42. A. Pop, V. Turcu, and A. Marcu The intriguing orbital period variability of Y Leonis Ap&SS 333 2011 17
43. T. Pribulla, and S.M. Rucinski Contact binaries with additional components. I. The extant data AJ 131 2006 2986
44. J.E. Pringle Period changes in eruptive binaries MNRAS 170 1975 633
45. S. Qian Possible mass and angular momentum loss in Algol-type binaries. V RT Persei and TX Ursae Majoris AJ 122 2001 2686
46. S. Qian, and Q. Liu A possible connection between the variability of light curve and the change of the orbital period in the contact binary CK Bootis Ap&SS 271 2000 331
47. J.B. Rafert Periodic ephemerides for 49 eclipsing binary-star systems PASP 94 1982 485
48. S. Rucinski, and W. Lu Radial velocity studies of close binary stars. II AJ 118 1999 2451
49. S.M. Rucinski, T. Pribulla, and M.H. van Kerkwijk Contact binaries with additional components. III. A search using adaptive optics AJ 134 2007 2353
50. G. Samolyk Recent minima of 146 eclipsing binary stars J. Amer. Assoc. Var. Star Obs. 39 2011 177
51. C. Sârbu A new median - based robust regression method Croat. Chem. Acta 70 1997 795
52. V. Szebehely, and K. Zare Stability of classical triplets and their hierarchy A&A 58 1977 145
53. W. Wehlau, and K.-C. Leung The multiple periodicity of Delta Delphini ApJ 139 1964 843
54. D.B. Wood, and J.E. Forbes Ephemerides of eclipsing stars AJ 68 1963 257
55. K. Yüce, S.O. Selam, B. Albayrak, and T. Ak Monitoring secular orbital period variations of some eclipsing binaries at the Ankara University Observatory Ap&SS 304 2006 67