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RS CVN Stars: Chromospheric Phenomena

Published online by Cambridge University Press:  12 April 2016

Bernard W. Bopp
Bernard W. Bopp*
Affiliation:
University of Toledo

Abstract

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The observational information regarding chromospheric emission features in surface-active RS CVn stars is reviewed. Three optical features are considered in detail: Call H and K, Balmer H-alpha and Hel λ 10830. While the qualitative behavior of these lines is in accord with solar-analogy/rotation-activity ideas, the quantitative variation and scaling is very poorly understood. In many cases, the spectroscopic observations with sufficient S/N and resolution to decide these questions have simply not yet been made. The FK Com stars, in particular, present us with extreme examples of rotation that may well press our understanding of surface activity to its limits.

Type
Session III: Observed Activity in Related Objects
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 363 - 377
Copyright
Copyright © Reidel 1983

References

REFERENCES

Athay, R. G.: 1965, Astrophys. J. 145, 784.Google Scholar
Baliunas, S. L. and Dupree, A. K.: 1982, Astrophs. J. 252, 668.Google Scholar
Baliunas, S. L., Hartmann, L., Vaughan, A. H., and Dupree, A. K.: 1981, Astrophys. J. 246, 473.CrossRefGoogle Scholar
Bolton, C. T.: 1977, private communication.Google Scholar
Bopp, B. W.: 1979, Inf. Bulletin Var. Stars, No. 1669. Google Scholar
Bopp, B. W.: 1981, Astron. J. 86, 771.CrossRefGoogle Scholar
Bopp, B. W.: 1982, in Second Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Vol. 1, p. 207.Google Scholar
Bopp, B. W., and Noah, P. V.: 1980, Publ. Astron. Soc. Pacific, 92, 333.Google Scholar
Bopp, B. W., and Rucinski, S. M.: 1981, in IAU Symposium 93, Fundamental Problems in the Theory of Stellar Evolution, ed. Sugimoto, D., Schramm, D. Q., and Lamb, D. Q. (Dordrecht: Reidel), p. 177.Google Scholar
Bopp, B. W., and Stencel, R. E.: 1981, Astrophys. J. (Letters), 247, L131.Google Scholar
Bopp, B. W., and Talcott, J. C.: 1978, Astron. J., 83, 1517.CrossRefGoogle Scholar
Bopp, B. W., and Talcott, J. C.: 1980, Astron. J., 85, 55.Google Scholar
Collier, A. C.: 1982a, Ph.D. Thesis, University of Canterbury.Google Scholar
Collier, A. C.: 1982b, Mon. Not. Roy. Astron. Soc, in press. Google Scholar
Dorren, J. D., Siah, M. J., Guinan, E. F., and McCook, G. P.: 1981, Astron. J. 86, 572.Google Scholar
Fekel, F.: 1982, private communication.Google Scholar
Fraquelli, D. A.: 1978, Astron. J., 83, 1535.CrossRefGoogle Scholar
Fraquelli, D. A.: 1982, Astrophys. J. (Letters), 254, L41.Google Scholar
Furenlid, I., and Young, A.: 1978, Astron. J., 83, 1527.CrossRefGoogle Scholar
Gershberg, R. E., and Shakovskaya, N. I.: 1971, in IAU Colloq. No. 15, Veroff. Der Remeis-Sternwarte Bamberg, BD. IX, NR. 100, p. 126.Google Scholar
Hall, D. S.: 1976, in IAU Colloq. No. 29, Multiple Periodic Variable Stars, edited by Fitch, W. S., (Dordrecht: Reidel), p. 287.Google Scholar
Hearnshaw, J. B.: 1978, Astron. J., 83, 1531.Google Scholar
Linsky, J., Worden, S., McClintock, W., and Robertson, R.: 1979, Astrophys. J. Suppl. 41, 47.Google Scholar
McCarthy, J. K., and Ramsey, L. W.: 1982, in preparation. Nations, H. L., and Ramsey, L. W.: 1980, Astron. J., 85, 1086.Google Scholar
O’Brien, G., and Lambert, D. L.: 1979, Astrophys. J. (Letters), 229, L33.Google Scholar
Popper, D. M.: 1978, Astron. J., 83, 1522.Google Scholar
Ramsey, L. W., and Nations, H.: 1981, Publ. Astron. Soc. Pacific, 93, 732.Google Scholar
Ramsey, L. W., and Nations, H. L.: 1982, Second Cambridge Workshop on Cool Stars, Stellar Systems and the Sun, Vol. 1, p. 225.Google Scholar
Ramsey, L. W., Nations, H. L., and Barden, S.: 1981, Astrophys. J. (Letters), 251, L101.Google Scholar
Rucinski, S.: 1981, Astron. Astrophys. 104, 260.Google Scholar
Shine, R., Gerola, H., and Linsky, J.: 1975, Astrophys. J., 202, L101.CrossRefGoogle Scholar
Smith, S. E., and Bopp, B. W.: 1982, Astrophys. Lett., in press.Google Scholar
Vaughan, A. H. and Zirin, H.: 1968, Astrophys. J., 152, 123.CrossRefGoogle Scholar
Vaughan, A. H. et al. : 1981, Astrophys. J., 250, 276.CrossRefGoogle Scholar
Walter, F., and Basri, G.: 1982, Astrophys. J., in press.Google Scholar
Webbink, R. F.: 1976, Astrophys. J., 209, 829.Google Scholar
Weiler, E. J.: 1978, Mon. Not. Roy. Astron. Soc, 182, 77.Google Scholar
Weiler, E. J., et al.: 1978, Astrophys. J., 229, 919.CrossRefGoogle Scholar
Wilson, O. C.: 1976, Astrophys. J., 205, 823.Google Scholar
Wilson, O. C.: 1982, Astrophys. J. 257, 179.CrossRefGoogle Scholar
Zirin, H.: 1975, Astrophys. J. (Letters), 199, L63.Google Scholar
Zirin, H. 1976, Astrophys. J. 208, 414.Google Scholar
Zirin, H. 1981, preprint.Google Scholar
Zirin, H. 1982, preprint.Google Scholar