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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Kilkenny, D. Hydrogen–deficient stars: recent work at the SAAO. Astrophys Space Sci 230, 53–61 (1995). https://doi.org/10.1007/BF00658167
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DOI: https://doi.org/10.1007/BF00658167