The Mg II emission in a sample of regular-period RS CVn systems

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dc.contributor.authorFernández Figueroa, María José
dc.contributor.authorSedano, J. L.
dc.contributor.authorCastro Rubio, Elisa De
dc.date.accessioned2023-06-21T02:09:06Z
dc.date.available2023-06-21T02:09:06Z
dc.date.issued1986-11
dc.description© European Southern Observatory. The authors are very grateful to Dr. F.M. Walter for many valuable comments and suggestions.
dc.description.abstractWe 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.
dc.description.departmentDepto. de Física de la Tierra y Astrofísica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/32897
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dc.identifier.issn0004-6361
dc.identifier.officialurlhttp://adsabs.harvard.edu/abs/1986A%26A...169..237F
dc.identifier.relatedurlhttp://www.aanda.org/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/64986
dc.issue.number01-feb
dc.journal.titleAstronomy & Astrophysics
dc.language.isoeng
dc.page.final243
dc.page.initial237
dc.publisherEDP Sciencies
dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordRS CVn binaries
dc.subject.keywordChromospheric activity
dc.subject.keywordMg II emission
dc.subject.ucmAstrofísica
dc.subject.ucmAstronomía (Física)
dc.titleThe Mg II emission in a sample of regular-period RS CVn systems
dc.typejournal article
dc.volume.number169
dspace.entity.typePublication
relation.isAuthorOfPublication69d74cdf-f618-484d-b812-aabbd99a993c
relation.isAuthorOfPublicationfac67a6c-a5c6-44e9-a74d-a086abd5aa5f
relation.isAuthorOfPublication.latestForDiscovery69d74cdf-f618-484d-b812-aabbd99a993c
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