activity
20242026
most citedA spectroscopic and kinematic survey of fast hot subdwarfs

11 citations · 34 across the 14 of their papers we have counts for

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Showing 2025Show all

5 papers · 1 filter

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)…

astro-ph.SR2025★ 4 cited

Where are the binaries? -- Searching for blue horizontal-branch stars in binary systems in the inner Galactic Halo

R. Culpan, M. Dorsch, I. Pelisoli +14

Blue horizontal-branch (BHB) stars are evolved low-mass objects that have completed their core hydrogen burning main-sequence (MS) stage and have lost significant mass during the r…

astro-ph.SR2025★ 5 cited

The binary fraction of Blue Horizontal-Branch (BHB) Stars

Yanjun Guo, Kun Chen, Zhenwei Li +6

Blue horizontal-branch (BHB) stars are old, low-mass, metal-poor stars that serve as important tracers of the Galactic halo structure, kinematics, and evolution.Understanding their…

astro-ph.SR2025★ 2 cited

How an overweight and rapidly rotating PG 1159 star in the Galactic halo challenges evolutionary models

Nina Mackensen, Nicole Reindl, Klaus Werner +2

PG 1159 stars are thought to be progenitors of the majority of H-deficient white dwarfs. Their unusual He-, C-, and O-dominated surface composition is typically believed to result…

astro-ph.SR2025★ 3 cited

The -processes nucleosynthesis during the formation of He-rich hot-subdwarf stars

T. Battich, M. M. Miller Bertolami, A. Weiss +3

It has been shown that proton ingestion episodes can happen in the formation of hot-subdwarf stars, and that neutron-capture processes are possible in those cases. Moreover, some h…