Título:
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The Mg II emission in a sample of regular-period RS CVn systems
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Autores:
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Fernández Figueroa, María José ;
Sedano, J. L. ;
Castro Rubio, Elisa de
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Tipo de documento:
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texto impreso
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Editorial:
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EDP Sciencies, 1986-11
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Astrofísica
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Materia = Ciencias: Física: Astronomía
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Tipo = Artículo
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Resumen:
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We have studied a sample of ten RS CVn systems by means of IUE high resolution long wavelength spectra. A general trend toward decreasing chromospheric activity (R_hk) for slower rotating stars has been found. Considering the R_hk values and their relation with structural parameters (T_eff, logg, log P_rot) we suggest that there are two possible different activity levels. The less active systems have Rhk chromospheric activity levels similar to the single cool stars showing the same general trend. A relation between R_hk and the inverse Rossby number has been obtained, in which the RS CVn stars fill the gap found by Rucinski between W UMa and the main-sequence stars.
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En línea:
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https://eprints.ucm.es/32897/1/fernandezfigueroa51libre.pdf
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