The eclipsing binary HD 174853. II - Photometric analysis and model

Details The eclipsing binary HD 174853. II - Photometric analysis and model The eclipsing binary HD 174853. II - Photometric analysis and model

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....102.1777h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 102, Nov. 1991, p. 1777-1783. Research supported by NSERC.

Astronomy and Astrophysics

Astronomy

1

Eclipsing Binary Stars, Stellar Models, Stellar Spectrophotometry, Early Stars, Ubv Spectra

Scientific paper

New UBV photometry and a Wilson-devinney (1971) solution are presented for the early type, double-lined binary HD 174853. This is combined with the previously published spectroscopic orbital elements to develop a complete physical model of the system, and to determine its evolutionary state through comparison with published evolutionary tracks. It is concluded that the system consists of two 3.28-solar mass stars with an average radius of 2.70 solar radii. Measured photometric indices give an average effective temperature of 12,000-13,000 K. A temperature at the lower end of this range leads to the most self-consistent model, which has an age of 1.6 x 10 exp 8 yr.

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