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Meridional flow velocities for solar-like stars with known activity cycles

Published online by Cambridge University Press:  07 August 2014

Dilyara Baklanova  and
Sergei Plachinda
Dilyara Baklanova
Affiliation:
Crimean Astrophysical Observatory, Taras Shevchenko National University of Kyiv, Nauchny 98409, Crimea, Ukraine email: dilyara@crao.crimea.ua
Sergei Plachinda
Affiliation:
Crimean Astrophysical Observatory, Taras Shevchenko National University of Kyiv, Nauchny 98409, Crimea, Ukraine email: dilyara@crao.crimea.ua
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Abstract

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The direct measurements of the meridional flow velocities on stars are impossible today. We suppose that the matter on a surface of solar-like stars with stable activity period passes the way equal to 2π R∗ during the stellar Hale cycle. We present here the dependence of meridional flow velocity on Rossby number, which is an effective parameter of the stellar magnetic dynamo.

Keywords

stars: late-typestars: activity
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S302: Magnetic Fields throughout Stellar Evolution , August 2013 , pp. 196 - 197
Copyright
Copyright © International Astronomical Union 2014 

References

Noyes, R. W., Hartmann, L. W., Baliunas, S. L., Duncan, D. K., & Vaughan, A. H. 1984, ApJ, 279, 763Google Scholar
Plachinda, S., Pankov, N., & Baklanova, D. 2011, Astron. Nachr., 332, 918Google Scholar