Radial Velocity Studies of Close Binary Stars. IX.

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Mar 2004Embargo end date: 01 Jan 2003 United States, Greece English Publisher:American Astronomical SocietyJournal:The Astronomical Journal, volume 127, pages 1,712-1,719 (issn: 0004-6256, eissn: 1538-3881,

Copyright policy )Funded by:NSERC | unidentified

Authors: Pych, Wojtek; Rucinski, Slavek M.; DeBond, Heide; Thomson, J. R.; Capobianco, Christopher C.; Blake, R. Melvin; Ogłoza, Waldemar; +4 Authors

doi: 10.1086/382105 , 10.48550/arxiv.astro-ph/0311350

arXiv: astro-ph/0311350

Radial Velocity Studies of Close Binary Stars. IX.

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Abstract

Radial-velocity measurements and sine-curve fits to the orbital velocity variations are presented for the eighth set of ten close binary systems: AB And, V402 Aur, V445 Cep, V2082 Cyg, BX Dra, V918 Her, V502 Oph, V1363 Ori, KP Peg, V335 Peg. Half of the systems (V445 Cep, V2082 Cyg, V918 Her, V1363 Ori, V335 Peg) were discovered photometrically by the Hipparcos mission and all systems are double-lined (SB2) contact binaries. The broadening function method permitted improvement of the orbital elements for AB And and V502 Oph. The other systems have been observed for radial velocity variations for the first time; in this group are five bright (V<7.5) binaries: V445 Cep, V2082 Cyg, V918 Her, KP Peg and V335 Peg. Several of the studied systems are prime candidates for combined light and radial-velocity synthesis solutions.

17+ pages, 2 tables, 4 figures

Countries

United States, Greece

Related Organizations

National and Kapodistrian University of Athens
Greece
University of Toronto
Canada
Nicolaus Copernicus Astronomical Center
Poland
University of North Alabama
United States
Adam Mickiewicz University in Poznań
Poland

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Keywords

Stars: variables: other, Binaries: close, Astrophysics (astro-ph), Binaries: eclipsing, FOS: Physical sciences, Astrophysics

1 Research products, page 1 of 1

Velocity curve analysis of the spectroscopic binary stars V2082 Cyg, V918 Her, BW Dra, V2357 Oph, YZ Cas and V380 Cygni by the Artificial Neural Networks
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