Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974mnras.169..447b&link_type=abstract
Monthly Notices of the Royal Astronomical Society, vol. 169, Dec. 1974, p. 447-470. Research supported by Merton College and Sc
Astronomy and Astrophysics
Astronomy
153
Astronomical Models, Dwarf Stars, Eclipsing Binary Stars, Mass Transfer, Novae, Brightness Temperature, Nuclear Fusion, Stellar Evolution, Stellar Temperature, Thermal Instability
Scientific paper
The processes that arise as a result of mass transfer between the red and blue components in dwarf nova type binary systems are examined. It is shown that the outbursts themselves may be accounted for by unstable mass transfer by the red component. The consequent behavior of the impact hot spot and of the accretion disk surrounding the blue component is shown in the steady state approximation to be in detailed agreement with the observed behavior of the eclipsing system Z Cha, during both the quiescent normal state, and the outburst state. The cause of such a red component instability is considered together with effects due to time dependent evolution of accretion disks. Problems associated with a nuclear burning instability as an alternative explanation of dwarf nova outbursts are examined.
Bath Geoffrey T.
Evans Dafydd W.
Papaloizou John
Pringle James E.
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