The double-lined binary HD 174853 I - Spectroscopic analysis

Details The double-lined binary HD 174853 I - Spectroscopic analysis The double-lined binary HD 174853 I - Spectroscopic analysis

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95..199h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, Jan. 1988, p. 199-203.

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2

Binary Stars, Orbital Elements, Stellar Spectra, Luminosity, Mass Ratios, Periodic Variations, Spectrum Analysis, Stellar Magnitude

Scientific paper

Modern methods of observation and spectral analysis have been used in deriving the orbital elements of the previously intractable double-lined spectroscopic binary HD 174853. The authors find an essentially circular orbit of period 1.391113 days and a mass ratio, based on the orbital elements, of unity. In general, the stellar components are spectroscopically distinguishable one from the other, and the ratio of line strengths gives a luminosity difference of 0.27 mag and hence, through the mass-luminosity relationship, an inferred mass ratio of 1.06. Both components appear to be unevolved and close to the zero-age main sequence.

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