Radial Velocity Orbital Solutions for Candidate Black Hole and Neutron Star Binary Systems in the Gaia Data Release 3 Catalog

arXiv:2603.20371 · astro-ph.SR, astro-ph.GA, astro-ph.HE · Submitted 2026-03-20 · Read on arXiv

astro-ph.SR, astro-ph.GA, astro-ph.HE

Submitted: 2026-03-20

Updated: 2026-07-23

Code: https://github.com/andycasey/smhr

Terminology

• Forward modeling — 5× in this paper · explained in 2 episodes
• Abundance — 4× in this paper · explained in 1 episode
• Metallicity — 3× in this paper · explained in 3 episodes
• Aperture — 1× in this paper · explained in 1 episode
• European Space Agency — 1× in this paper
• Failure Modes — 1× in this paper · explained in 3 episodes
• Society of Photo-Optical Instrumentation Engineers — 1× in this paper

Sources

• A Sample of Neutron Star and Black Hole Binaries Detected through Gaia DR3 Astrometry
• Gaia's promise to detect compact-object binaries: where we stand with the third data release

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