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Spectral disentangling of the metallic-lined binary system WW Aurigae
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Pavlovski, Krešimir, Southworth, J. (John) and Tamajo, E. (2008) Spectral disentangling of the metallic-lined binary system WW Aurigae. In: CP/AP Workshop 2007, Vienna, Austria, Sep 10-14, 2007. Published in: Contributions to Astronomical Observatory on Skalnate Pleso, Volume 38 (Number 2). pp. 437-438. ISSN 1335-1842.
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Abstract
WW Aurigae is doubled-lined eclipsing binary system. Both components show Am characteristics. Recently, Southworth et al. (2005) measured the properties of WW Aur with accuracies of 0.4% in mass and 0.6% in radius, making these among the most accurately known for any stars except the Sun. These properties are matched by theoretical evolutionary models only for a high (2.5 times solar) metal abundance. In a continuation of that study, we have reanalysed the time-series of 57 double-lined spectra (from the INT at La Palma) using spectral disentangling to obtain high-quality separated spectra of the two stars. Our goal is to further improve the determination of the effective temperatures and to study the peculiar chemical abundances of the two stars.
| Item Type: | Conference Item (UNSPECIFIED) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QB Astronomy | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Double stars -- Spectra | ||||
| Journal or Publication Title: | Contributions to Astronomical Observatory on Skalnate Pleso | ||||
| Publisher: | Vydavatel'stvo Slovenskej Akademie Vied Veda [Slovak Academy Sciences Astronomical Inst] | ||||
| ISSN: | 1335-1842 | ||||
| Official Date: | April 2008 | ||||
| Dates: |
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| Volume: | Volume 38 | ||||
| Number: | Number 2 | ||||
| Number of Pages: | 2 | ||||
| Page Range: | pp. 437-438 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Description: | Journal item abstract only |
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| Title of Event: | CP/AP Workshop 2007 | ||||
| Type of Event: | Workshop | ||||
| Location of Event: | Vienna, Austria | ||||
| Date(s) of Event: | Sep 10-14, 2007 |
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