Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.138..197s&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 138, no. 1, Nov. 1987, p. 197-207.
Astronomy and Astrophysics
Astrophysics
4
Domains, Eclipsing Binary Stars, Light Curve, Roche Limit, Metallic Stars, Sequencing
Scientific paper
The revised geometrical elements of the eclipsing binary XY Ceti have been obtained by the method of Fourier analysis of the light changes in the frequency-domain, which was developed by Kopal (1979). These have been compared with the earlier (Srivastava and Padalia, 1975) results obtained by employing Russell and Merrill's (1952) method. The revised absolute dimensions of XY Ceti have been obtained using the spectroscopic elements given by Popper (1971), and the newly derived geometrical elements. The Roche radii have been derived to discuss the evolution of the system. The secondary component lies reasonably near to the Main Sequence, while the primary component falls above it. The evolutionary discussion indicates that the system is a detached one.
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