Navegação Ciências Exatas e da Terra por Assunto "Stars: individual (AM Canum Venaticorum)"
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The unusual helium variable AM Canum Venaticorum
(1995) [Artigo de periódico]The unusual variable star AM CVn has puzzled astronomers for over 40 years. This object, both a photometric and spectroscopic variable, is believed to contain a pair of hydrogen-deficient white dwarfs of extreme mass ratio, ...