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http://hdl.handle.net/20.500.12386/28395
Titolo: | On the M_V -Inclination Relationship for Nova-like Variables | Autori: | Howell, Steve B. MASON, Elena |
Data pubblicazione: | 2018 | Rivista: | THE ASTRONOMICAL JOURNAL | Numero: | 156 | Fascicolo: | 5 | Da pagina:: | 198 | Abstract: | Using a sample of Nova-like stars from the Ritter & Kolb catalog, we examine the relationship between their Gaia-determined absolute magnitude and the inclination of the binary system. Webbink et al. derived a relationship between these two variables that provides a good fit and allows differentiation between \dot{M} (and possibly M _WD) as a function of inclination. We show that the spread in M_V, at a given i, is dominated by the mass-transfer rate with only a small dependence on the white dwarf mass. The validated relation shows that present-day theoretical population studies of cataclysmic variables, as well as model fits to observational data, yield mass-transfer rates and white dwarf masses consistent with the Gaia-derived M _V for the nova-like stars. | URI: | http://hdl.handle.net/20.500.12386/28395 | URL: | https://iopscience.iop.org/article/10.3847/1538-3881/aadd13 | ISSN: | 0004-6256 | DOI: | 10.3847/1538-3881/aadd13 | Bibcode ADS: | 2018AJ....156..198H | Fulltext: | open |
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