Reanalysis of two eclipsing binaries: EE Aqr and Z Vul

Details Reanalysis of two eclipsing binaries: EE Aqr and Z Vul Reanalysis of two eclipsing binaries: EE Aqr and Z Vul

2008-05-05

arxiv.org/abs/0805.0489v1

Astrophys.Space Sci.314:331-340,2008

Astronomy and Astrophysics

Astrophysics

13 pages, 8 figures, 10 tables

Scientific paper

10.1007/s10509-008-9774-y

We study the radial-velocity and light curves of the two eclipsing binaries EE Aqr and Z Vul. Using the latest version of the Wilson & Van Hamme (2003) model, absolute parameters for the systems are determined. We find that EE Aqr and Z Vul are near-contact and semi-detached systems, respectively. The primary component of EE Aqr fills about 96% of its 'Roche lobe', while its secondary one appears close to completely filling this limiting volume. In a similar way, we find fill-out proportions of about 72 and 100% of these volumes for the primary and secondary components of Z Vul respectively. We compare our results with those of previous authors.

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