Orbital Eccentricity in a Neutron Star–Black Hole Merger
Gonzalo Morrás; G. Pratten; P. Schmidt · 2026 · The Astrophysical Journal Letters
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Abstract
Abstract The observation of gravitational waves (GWs) from merging black holes and neutron stars provides a unique opportunity to discern information about their astrophysical environment. Two signatures that are considered powerful tracers to distinguish between different binary formation channels are general relativistic spin-induced orbital precession and orbital eccentricity. Both effects leave characteristic imprints in the GW signal that can be extracted from observations. To date, neither precession nor eccentricity has been confidently discerned in merging neutron star–black hole binar
Abstract by Gonzalo Morrás; G. Pratten; P. Schmidt, The Astrophysical Journal Letters (2026) — licensed CC BY 4.0.
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Metadata source: OpenAlex · DOI 10.3847/2041-8213/ae474c