Abstract
view Abstract Citations (33) References (28) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Rediscussion of Eclipsing Binaries. VII. WZ Ophiuchi and Other Solar-Type Stars. Popper, Daniel M. Abstract The investigation of eclipsing binaries for which the most reliable masses and radii can be obtained is continued with analysis of the systems WZ Oph, F8, VZ Hya, F5, and UV Leo, G2. New spectrographic orbits have been determined for all three systems, and a photoelectric light-curve has been obtained for WZ Oph. The use of increased spectrographic dispersion leads to systematically smaller masses for WZ Oph (23 per cent smaller) and UV Leo (27 per cent smaller) than previously published. The properties of the components are listed in Table 11 All the stars have appreciable ultraviolet excesses (relative to the Hyades), 0 ).08 , and all lie close to the "Sun-Sirius" relation in the mass4uminosity plane, in agreement with a result by Eggen that this relation is populated only by stars with ultraviolet excesses. A brief discussion is given of some problems of analysis resulting from the exceptionally high precision required in the linear dimensions of the orbits of visual as well as eclipsing binaries if significant conclusions are to be reached on the "fine structure" of the mass-luminosity diagram. Publication: The Astrophysical Journal Pub Date: January 1965 DOI: 10.1086/148094 Bibcode: 1965ApJ...141..126P full text sources ADS | data products SIMBAD (23) GCPD (1) Related Materials (17) Part 1: 1956ApJ...124..196P Part 2: 1956ApJ...124..208P Part 3: 1957ApJ...126...53P Part 4: 1959ApJ...129..659P Part 5: 1961ApJ...133..148P Part 6: 1961ApJ...134..828P Part 8: 1968ApJ...154..191P Part 9: 1970ApJ...162..925P Part 10: 1974ApJ...188..559P Part 11: 1981ApJ...244..541P Part 12: 1982ApJ...254..203P Part 13: 1984AJ.....89.1057P Part 14: 1986AJ.....91.1428T Part 15: 1987AJ.....93..672P Part 16: 1991AJ....101..600P Part 17: 1993PASP..105..721P Part 18: 1976ApJ...208..142P
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