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A Mass-Eccentricity Correlation in Spectroscopic and Visual Binary Orbits

Published online by Cambridge University Press:  12 April 2016

J. Dommanget
J. Dommanget*
Affiliation:
Royal Observatory, Belgium

Extract

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Looking for a possible explanation for the debated existence of a correlation between period and eccentricity in binary orbits [of which a diagramme is given in fig. 1.) we made the assumption that the orbital evolution of the binaries could be the consequence of a substantial mass-loss of their components even when these components are late type main sequence stars.

This led first to the consideration of various classes of the areal constant. But it.immediately appeared much better to consider for each of such classes, the total mass of each system instead of its orbital eccentricity and thus to consider the mass-period diagramme rather than the period-eccentricity diagramme. Eleven such diagrammes were considered.

Type
Part II: Evolutionary Trends in Wide Binary Systems
Information
International Astronomical Union Colloquium , Volume 69: Binary and Multiple Stars as Tracers of Stellar Evolution , 1982 , pp. 119 - 122
Copyright
Copyright © Reidel 1982

References

Dommanget, J., 1963.- Recherches sur l’évolution des étoiles doubles, par voie statistique et par application de la mécanique des masses variables, – Annales de l’Observatoire Royal de Belgique, 3ème Série, tome IX, fase. 5;Google Scholar
Dommanget, J., 1964.- Les étoiles doubles et l’évolution stellaire,- Ciel et Terre, 80, p. 315,- Communication de l’Observatoire Royal de Belgique, n° 232.Google Scholar
Dommanget, J., 1981.- Is this diagramme an argument for binary orbital evolution due to mass-loss? - I.A.U. Colloquium n° 59, Effects of Mass-Loss on Stellar evolution, p. 507. - Communication de l’Observatoire Royal de Belgique, B, 119.CrossRefGoogle Scholar