Hydrogen–deficient stars: recent work at the SAAO |
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| Authors: | David Kilkenny |
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| Institution: | (1) South African Astronomical Observatory, Observatory 7935, P.O. Box 9, Cape Town, South Africa |
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| Abstract: | A brief review is given of some of the recent SAAO observational programmes concerning various types of Hydrogen-deficient stars with some attempt to relate this work to general research in the field. The review covers R Coronæ Borealis (RCB) stars, Hydrogen-deficient Carbon (HdC) stars, and Extreme Helium (EHe) stars in the Carbon-rich group and AM CVn stars and the (apparently) unique star V652 Her in the Carbon-normal group. |
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| Keywords: | Hydrogen-deficient stars RCB stars EHe stars AM CVn stars V652 Her |
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