Is S301 the Captured Companion of the Hypervelocity Star S5-HVS1?
Andrea Caputo, Giovanni Maria Tomaselli
astro-ph.GA, astro-ph.HE, astro-ph.SR
Submitted: 2026-07-24
Comments: 3 pages, Claude's generated reproducibility repo at https://github.com/GimmyTomas/S301_S5-HVS1_Bayes
Code: https://github.com/GimmyTomas/S301_S5-HVS1_Bayes
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- Ejection of hypervelocity stars by the (binary) black hole(s) in the Galactic center
- The Great Escape: Discovery of a nearby 1700 km/s star ejected from the Milky Way by Sgr A*
- The former companion of the hyper-velocity star S5-HVS1
- The mass distribution in the Galactic Centre from interferometric astrometry of multiple stellar orbits
- Resonant relaxation near a massive black hole: the stellar distribution and gravitational wave sources
- Discovery of a star sensitive to the spin of Sgr A*
- Intrinsic Colors, Temperatures, and Bolometric Corrections of Pre-Main Sequence Stars
- The distribution of stars around the Milky Way's central black hole II: Diffuse light from sub-giants and dwarfs
- An Update on Monitoring Stellar Orbits in the Galactic Center
- Improving constraints on the extended mass distribution in the Galactic Center with stellar orbits
- S62 and S4711: Indications of a population of faint fast moving stars inside the S2 orbit -- S4711 on a 7.6 year orbit around Sgr~A*
- Detection of faint stars near SgrA* with GRAVITY
- Deep Images of the Galactic Center with GRAVITY
- On the variation of the Initial Mass Function
- Mind your Ps and Qs: the Interrelation between Period (P) and Mass-ratio (Q) Distributions of Binary Stars
- The S stars' zone of avoidance in the Galactic center
- Coincident detection significance in multimessenger astronomy
- Using APOGEE Wide Binaries to Test Chemical Tagging with Dwarf Stars
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