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X-ray observations of symbiotic stars

Published online by Cambridge University Press:  12 April 2016

David A. Allen
David A. Allen*
Affiliation:
Anglo-Australian Observatory

Abstract

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Observations are reported of 19 symbiotic stars made with the imaging proportional counter of the Einstein Observatory. Three of the objects (HM Sge, V 1016 Cyg and RR Tel) were detected as soft X-ray sources. All three have shown slow-nova eruptions in the past 40 years. The data are interpreted as support of a model for slow novae involving thermonuclear events on white dwarfs which accrete from M giant companions. Symbiotic stars in their steady state, not being detected X-ray sources, are presumed to be powered by the accretion process alone.

Type
Session I - New Observations of Symbiotic Stars
Information
International Astronomical Union Colloquium , Volume 70: The Nature of Symbiotic Stars , 1982 , pp. 115 - 116
Copyright
Copyright © Reidel 1982