On a recent theoretical model for the subdwarf binary system LB 3459

Details On a recent theoretical model for the subdwarf binary system LB 3459 On a recent theoretical model for the subdwarf binary system LB 3459

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.192p..15h&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 192, July 1980, p. 15P-18P.

Astronomy and Astrophysics

Astronomy

3

Astronomical Models, Eclipsing Binary Stars, Evolution (Development), Subdwarf Stars, Astronomical Photometry, Light Curve, Velocity Distribution

Scientific paper

The theoretical model for the evolved close binary system LB 3459 recently proposed by Paczynski and Dearborn has several major flaws; it does not reproduce the well-defined shape of the primary eclipse nor the observed color changes at primary and secondary eclipses and it assumes a mass ratio of unity which is very unlikely. The model predicts a velocity curve amplitude several times greater than that observed.

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