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On the rarity of FK Com starsVery high-dispersion spectra (2.5 A/mm) were obtained of 31 southern late-type stars, predominantly early G giants, in an effort to find new rapidly rotating, active stars which would be FK Com-like. Measurements of linewidths and the strength of chromospheric Ca II K-line emission are presented, but no new star could be added to the class of 'rapid rotators'. Space densities and evolutionary lifetimes for FK Com stars are discussed.
Document ID
19850039566
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1086/113718
Authors
Hagen, W. (Whitin Observatory, Wellesley, MA; New Mexico, University Albuquerque, NM; Observatorio Interamericano de Cerro Tololo, La Serena, Chile)
Stencel, R. E. (NASA Astrophysics Div., Washington, DC; Joint Institute for Laboratory Astrophysics, Boulder CO, United States)
Date Acquired
August 12, 2013
Publication Date
January 1, 1985
Publication Information
Publication: Astronomical Journal
Volume: 90
ISSN: 0004-6256
Subject Category
Astronomy
Accession Number
85A21717
Funding Number(s)
CONTRACT_GRANT: NSF AST-78-27879
Distribution Limits
Public
Copyright
Other

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