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Yellow Supergiants and R Coronae Borealis Stars

Published online by Cambridge University Press:  12 April 2016

P.L. Cottrell
P.L. Cottrell*
Affiliation:
Mount John University Observatory, Dept of Physics & Astronomy, University of Canterbury, Christchurch, New Zealand

Abstract

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The study of luminous variable stars has important consequences both with respect to the scale of the Universe and for our understanding of the later stages of stellar evolution.

This review will look at a number of groups of these stars, in particular the RV Tauri stars, the hydrogen-deficient Carbon (HdC) stars, including the R Coronae Borealis (RCB) stars and some aspects of Cepheid variables.

Both photometric and spectroscopic observations will be presented to show the amount of progress that has been made in this area over the last several years. Links will be made to various models which are being used to understand the observational data.

The most important conclusion is that there is still enormous scope for the acquisition and detailed analysis of data on the relatively bright members of these groups of stars. These can be used to provide further understanding of the more distant objects of each group and of the wider problems in astrophysics.

Type
Part 1. The Scientific Programme
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995 , pp. 143 - 154
Copyright
Copyright © Astronomical Society of the Pacific 1995

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