2 papers
astro-ph.SR2026
WISE J005128.08+645651.7: An enigmatic R Coronae Borealis star
J. Budaj, K. Bernhard, I. Hubeny
Context. R Coronae Borealis (RCB) stars are hydrogen-deficient and carbon-rich (HdC) supergiants that likely originate from a merger of two white dwarfs. As such they are not expec…
astro-ph.SR2025
The twin red giant branch system BD+20 5391 A case study of low-mass double-core evolution
M. Kurpas, M. Dorsch, S. Geier +12
Understanding interactions of binary systems on the red giant branch is crucial to understanding the formation of compact stellar remnants such as helium-core white dwarfs (He-WDs)…