Light curve analyses for the early-type eclipsing binaries TT AUR and XZ CEP

Details Light curve analyses for the early-type eclipsing binaries TT AUR and XZ CEP Light curve analyses for the early-type eclipsing binaries TT AUR and XZ CEP

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.211...39g&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 211, Nov. 1, 1984, p. 39-46.

Astronomy and Astrophysics

Astronomy

8

Early Stars, Eclipsing Binary Stars, Light Curve, Orbital Elements, Stellar Evolution, Stellar Models

Scientific paper

Wood's (1972) model is the basis of the present analysis of photoelectric light curves of the early-type eclipsing binaries TT Aur and XZ Cep, which indicates that the former cannot be a normal main sequence system and is instead likely to be a post-mass exchange binary consisting of a B3 dwarf accompanied by a B6 secondary that is overluminous and oversized for its spectral type. XZ Cep may be tentatively seen as a semidetached binary with a lobe-filling primary component that could be transferring mass, via Roche lobe overflow, towards its smaller detached secondary. The secondary is probably more massive and intrinsically hotter, despite appearing fainter.

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