Radial Velocity Studies of Close Binary Stars. III
نویسندگان
چکیده
منابع مشابه
Radial Velocity Studies of Close Binary Stars
Radial-velocity measurements and sine-curve fits to the orbital radial velocity variations are presented for ten close binary systems: OO Aql, CC Com, V345 Gem, XY Leo, AM Leo, V1010 Oph, V2612 Oph, XX Sex, W UMa, and XY UMa. Most of these binaries have been observed spectroscopically before, but our data are of higher quality and consistency than in the previous studies. While most of the stud...
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Radial-velocity measurements and sine-curve fits to the orbital velocity variations are presented for 14 close binary stars, S Ant, TT Cet, TW Cet, AA Cet, RW Dor, UX Eri, YY Eri, BV Eri, CT Eri, SZ Hor, AD Phe, TY Pup, HI Pup and TZ Pyx. All are double-lined binaries and all except the last one are contact binaries. The orbital data must be considered preliminary because of the relatively smal...
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1Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK 2Department of Physics and Astronomy, University of Turku, Tuorla Observatory, Vňaisňalňantie 20, FI-21500 Piikkiňo, Finland 3Departamento de Astronomńõa, Universidad de Chile, Camino del Observatorio 1515, Las Condes, Santiago, Chile 4Astronomy Unit, School of Mathematical Sciences, Queen Mary U...
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In this review paper, we summarise the goals of asteroseismic studies of close binary stars. We first briefly recall the basic principles of asteroseismology, and highlight how the binarity of a star can be an asset, but also a complication, for the interpretation of the stellar oscillations. We discuss a few sample studies of pulsations in close binaries and summarise some case studies. This l...
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The gravity due to a multiple-mass system has a remarkable gravitational effect: the extreme magnification of background light sources along extended so-called caustic lines. This property has been the channel for some remarkable astrophysical discoveries over the past decade, including the detection and characterisation of extra-solar planets, the routine analysis of limb-darkening, and, in on...
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ژورنال
عنوان ژورنال: The Astronomical Journal
سال: 2000
ISSN: 0004-6256
DOI: 10.1086/301458