Convection in RR Lyrae stars

Details Convection in RR Lyrae stars Convection in RR Lyrae stars

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992stin...9317382s&link_type=abstract

Presented at the International Astronomical Union Colloquium 139 on New Perspectives on Stellar Pulsation and Pulsating Variable

Statistics

Computation

Lyra Constellation, Pulsars, Stellar Convection, Boundary Conditions, Computerized Simulation, Nonlinear Systems, Stability

Scientific paper

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.

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