The Best Guess: Testing new and old formalisms for the common envelope against observations

arXiv:2607.06333 · astro-ph.SR · Submitted 2026-08-19 · Read on arXiv

Riley Thai, Amanda Karakas, Zara Osborn, Robert Izzard, Ryosuke Hirai, Alex Kemp, Simon Campbell

astro-ph.SR

Submitted: 2026-08-19

Updated: 2026-08-20

Comments: 29 pages, 14 (8+6) figures. Submitted to ApJ, all comments welcome

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Core — 22× in this paper · explained in 2 episodes
• Metallicity — 12× in this paper · explained in 3 episodes
• Population Synthesis — 11× in this paper · explained in 2 episodes
• alpha — 3× in this paper · explained in 1 episode
• Angular Momentum Loss — 2× in this paper · explained in 1 episode
• Physical Constraints — 2× in this paper · explained in 7 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Calibration — 1× in this paper · explained in 7 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes

Sources

• Intermediate-Mass Stripped Stars in the Magellanic Clouds: Forward Modeling the Observed Population Discovered Via UV Excess
• Searching for GEMS: Discovery of the Nearby Post-Common-Envelope Binary System TIC-460388167
• On the Energy Equation and Efficiency Parameter of the Common Envelope Evolution
• Common envelopes in massive stars III. The obstructive role of radiation transport in envelope ejection
• The Stripped-Star Ultraviolet Magellanic Cloud Survey (SUMS): The UV Photometric Catalog and Stripped Star Candidate Selection
• Dust Formation in Common Envelope Binary Interactions -- III. Lightcurves
• Reconstructing the evolution of double helium white dwarfs: envelope loss without spiral-in
• Weakened inspirals -- I: High mass ratio common envelope interactions in RGB stars
• The Origin and Evolution of Multiple Star Systems
• A global view of post-interaction white dwarf-main sequence binaries
• Stability Criteria for Mass Transfer in Binary Stellar Evolution
• Common Envelope Evolution Redux

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