Analysis of Chromospheric Activity Indicators in MM Her and AR Psc
Conference paper
Abstract
High resolution observations of Ha and Call H and K have been carried out at Calar Alto and Roque de Los Muchachos Observatories. The H and K observations at two different phases of MM Her has allowed us to derived that the two components are chromospherically active being the activity level of the cool component much higher. On the contrary AR Psc shows H and K emission from only one component at all the orbital phases, this star presents also an important H∈ emission. The Hα observations confirm the different chromospheric behaviour above mentioned.
Key words
RS CVn binary systems Chromospheric activityPreview
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References
- Blanco, C., Catalano, S., Marilli, E., Rodono, M.: 1974, Astron.Ap. 33, 257.ADSGoogle Scholar
- Bopp, W.B.: 1984, Ap.J.Supp. 54, 387.ADSCrossRefGoogle Scholar
- Bopp, W.B., Dempsey, R.C., Maniak, S.: 1988, Ap.J.Supp.S. 68, 803.ADSCrossRefGoogle Scholar
- Fekel, F.C., Moffett, T.J., and Henry, G.W.: 1986, Ap.J.Supp.S. 60, 551.ADSCrossRefGoogle Scholar
- Fernandez-Figueroa, M.J., Montesinos, B., De Castro, E., Rego, M., Ginienez, A., Reglero, V.: 1986, Astron.Ap. 169, 219.ADSGoogle Scholar
- Hall, D.S.: 1986, Ap. J.Lett. 309, L83.ADSCrossRefGoogle Scholar
- Popper, D.M.: 1980, Ann.Rev.Astron.Ap. 18, 115.ADSCrossRefGoogle Scholar
- Strassmeier, K.G., Hall, D.S., Zeilik, M., Nelson, E., Eker, Z., Fekel, F.C.: 1988, Astron.Ap.Supp.S. 72, 291 (CABS).ADSGoogle Scholar
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© Kluwer Academic Publishers 1993