The Formation of Hydrogen Deficient Stars through Common Envelope Evolution
Steven Diehl, Chris Fryer, and Falk Herwig
TL;DR
This paper investigates how hydrogen-deficient stars can form via common envelope evolution by simulating interactions between a red giant and different companions using SPH methods.
Contribution
It provides the first qualitative SPH simulation comparison of a red giant with brown dwarf and white dwarf companions during common envelope evolution.
Findings
Different companion masses lead to varied envelope ejection outcomes.
The simulations reveal distinct interaction dynamics based on companion type.
Preliminary results suggest pathways for hydrogen-deficient star formation.
Abstract
We present preliminary results from Smooth Particle Hydrodynamics (SPH) simulations of common envelope evolution. We qualitatively compare the interaction between a 0.9M red giant with two different companion masses: a 0.05M brown dwarf and a 0.25M white dwarf companion.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Scientific Research and Discoveries · Astrophysics and Star Formation Studies