Absolute dimensions of early-type eclipsing binary stars. I - NY Cephei

Details Absolute dimensions of early-type eclipsing binary stars. I - NY Cephei Absolute dimensions of early-type eclipsing binary stars. I - NY Cephei

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...231...89h&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 231, no. 1, May 1990, p. 89-94. Research supported by NSERC.

Astronomy and Astrophysics

Astrophysics

12

Early Stars, Eclipsing Binary Stars, Stellar Luminosity, Stellar Mass, Main Sequence Stars, Orbital Elements, Radial Velocity, Stellar Spectrophotometry

Scientific paper

A new spectroscopic orbit for the detached eclipsing binary NY Cep is presented. Revised masses of 13 + or - 1 and 9.3 + or - 0.6 solar are found for the primary and secondary, respectively. Apsidal motion might be presented at a rate of 0.28 + or - 0.16 deg/yr. The derived absolute dimensions are shown to be consistent with the photometric data. NY Cep is a young object about 6 million yr old. The system lies at a distance of about 725 pc.

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