Hostname: page-component-78c5997874-fbnjt Total loading time: 0 Render date: 2024-11-03T05:34:08.521Z Has data issue: false hasContentIssue false
  • English
  • Français

The Massive Eclipsing Binary RY Scuti

Published online by Cambridge University Press:  14 August 2015

G. Giuricin  and
F. Mardirossian
G. Giuricin
Affiliation:
Osservatorio Astronomico di Trieste, Trieste, Italy
F. Mardirossian
Affiliation:
Osservatorio Astronomico di Trieste, Trieste, Italy

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We have analyzed Ciatti et al's (1980) UBV lightcurves of the massive eclipsing binary RY Set. The BO primary, being considerably over-luminous and oversized for its mass, is certainly appreciably evolved. That this star is nearly filling its Robe lobe strongly supports the idea that it is undergoing a phase of mass transfer (case B), through Robe lobe overflow, towards its more massive secondary companion. In view of its properties, RY Set, which represents an uncommon evolutionary stage, is lively to evolve into a Wolf-Rayet binary systems.

Type
SESSION 5 — EVOLUTIONARY STATUS OF WOLF-RAYET STARS
Information
Symposium - International Astronomical Union , Volume 99: Wolf-Rayet Stars: Observations, Physics, Evolution , 1982 , pp. 383 - 386
Copyright
Copyright © Reidel 1982 

References

Ciatti, F., Mammano, A., Margoni, R., Milano, L., Strazzulla, G., Vittone, A.: 1980, ' Astron. Astrophys. Suppl. 41, 143.Google Scholar
Cowley, A.P., Hutchings, J.B.: 1976, Publ. Astron. Soc. Pacific. 88, 456.CrossRefGoogle Scholar
Geisel, S.L.: 1970, Astrophys. J. Letters 161, L105.Google Scholar
Grasdalen, G.L., Hackwell, J.A., Gehrz, R.D., McClain, D.: 1979, Astrophys. J. Letters 234, L129.Google Scholar
Hughes, V.A., Woodsworth, A.: 1973, Nature Phys. Sci. 242, 116.Google Scholar
Hutchings, J.B.: 1977, Publ. Astron. Soc. Pacific 89, 668.CrossRefGoogle Scholar
King, A.R., Jameson, R.F.: 1979, Astron. Astrophys. 71, 326.Google Scholar
Leung, K.C., Schneider, D.P.: 1979, in Mass Loss and Evolution of O-type Stars, Conti, P.S. and de Loore, C.W.H. eds., IAU Symp. No. 83, p. 265.CrossRefGoogle Scholar
Leung, K.C., Moffat, A.F.J., Seggewiss, W.: 1979, Astrophys. J. 231, 742.Google Scholar
Stothers, R.: 1972, Astrophys. J. 175, 431.Google Scholar
Vanbeveren, D., De Grève, J.P.: 1979, Astron. Astrophys. 77, 295.Google Scholar
Vanbeveren, D., de Loore, C.: 1980, Astron. Astrophys. 86, 21.Google Scholar
Wilson, R.F.: 1974, Astrophys. J. 189, 319.Google Scholar
Wood, D.B.: 1972, A Computer Program for Modeling Non-Spherical Eclipsing Binary Systems, Goddard Space Flight Center, Greenbelt, Maryland, U.S.A. Google Scholar
Woodward, E.J., Koch, R.H.: 1975, Publ. Astron. Soc. Pacific 87, 901.Google Scholar