Physical parameters of components in close binary systems: V

Details Physical parameters of components in close binary systems: V Physical parameters of components in close binary systems: V

2009-03-07

arxiv.org/abs/0903.1365v1

Acta Astronomica, v.55, pp.389-405, (2005)

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

13 pages, 10 figures

Scientific paper

The paper presents combined spectroscopic and photometric orbital solutions for ten close binary systems: CN And, V776 Cas, FU Dra, UV Lyn, BB Peg, V592 Per, OU Ser, EQ Tau, HN UMa and HT Vir. The photometric data consist of new multicolor light curves, while the spectroscopy has been recently obtained within the radial velocity program at the David Dunlap Observatory (DDO). Absolute parameters of the components for these binary systems are derived. Our results confirm that CN And is not a contact system. Its configuration is semi-detached with the secondary component filling its Roche lobe. The configuration of nine other systems is contact. Three systems (V776 Cas, V592 Per and OU Ser) have high (44-77%) and six (FU Dra, UV Lyn, BB Peg, EQ Tau, HN UMa and HT Vir) low or intermediate (8-32%) fill-out factors. The absolute physical parameters are derived.

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