Jeffery, C. S; Kameswara Rao, N; Lambert, D. L
(Oxford University Press on behalf of the Royal Astronomical Society, 2020-04)
The hydrogen-deficient star DY Cen has been reported as an R CrB-type variable, an extreme
helium star (with some hydrogen), and as a single-lined spectroscopic binary. It has been
associated with a dramatic change in ...