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Convection in RR Lyrae Stars

Published online by Cambridge University Press:  15 February 2018

R. F. Stellingwerf  and
G. Bono
R. F. Stellingwerf
Affiliation:
Los Alamos National Laboratory Los Alamos, NM
G. Bono
Affiliation:
Trieste Observatory, Trieste, Italy

Abstract

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Convection undoubtedly plays a strong role in defining the RR Lyrae instability strip, but its effects on amplitude, mode of pulsation, and light curve have always been problematical. One reason is simply that convective models are difficult to compute, and their accuracy is difficult to ascertain. We present results of a new convective survey of RR Lyrae stars that constitute the best models available at this time, with better boundary conditions, physics, zoning, and length of computational run than previous results.

Type
Theoretical Breakthroughs
Information
International Astronomical Union Colloquium , Volume 139: New Perspectives on Stellar Pulsation and Pulsating Variable Stars , 1993 , pp. 252 - 260
Copyright
Copyright © Cambridge University Press 1993

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