Contact and near-contact binary systems. VI - The semi-detached system CX Aquarii

Details Contact and near-contact binary systems. VI - The semi-detached system CX Aquarii Contact and near-contact binary systems. VI - The semi-detached system CX Aquarii

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.223..607m&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 223, Dec. 1, 1986, p. 607-619. SERC-supported research.

Astronomy and Astrophysics

Astronomy

6

Astronomical Spectroscopy, Eclipsing Binary Stars, Stellar Spectrophotometry, Ephemerides, Light Curve, Radial Velocity, Spectrum Analysis, Stellar Magnitude

Scientific paper

BVRIc photometry and IPCS spectroscopy are presented for the short-period semi-detached binary CX Aquarii. The analysis of these data shows that the system is composed of a main-sequence primary component of spectral type F5, and an evolved secondary component of spectral type G9 which fills its Roche lobe. The system is expected to achieve contact within ≡108yr if the atmosphere of the primary component is convective, or within ≡5×108yr if the primary possesses a radiative atmosphere.

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