Long-term light curves for [WC] stars

Albert Jones, Warrick Lawson, Orsola De Marco, Dave Kilkenny, Francois Van Wyk, Greg Roberts

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7 Citations (Scopus)

Abstract

We examine light curves obtained for several low-mass subluminous [WC] central stars. Recent visual and photoelectric measurements made of the [WC10] central star CPD-56°8032 indicate that it has undergone a second decline event resembling those seen in the R Coronae Borealis (RCB) variables. Other [WC] central stars examined (He2-113, SwSt1, and He2-99) do not show declines. Various evolutionary scenarios have been proposed that link the [WC] stars, RCB stars, and other types of hydrogen-deficient objects. From an observational point of view, the evidence appears to be circumstantial.

Original languageEnglish
Pages (from-to)76-80
Number of pages5
JournalObservatory
Volume119
Issue number1149
Publication statusPublished - Apr 1999

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    Jones, A., Lawson, W., De Marco, O., Kilkenny, D., Van Wyk, F., & Roberts, G. (1999). Long-term light curves for [WC] stars. Observatory, 119(1149), 76-80.