Asteroseismic modeling of RY Leporis gives a mass of ~2 solar masses and age of ~730 Myr, locating it in the post-main-sequence hydrogen shell-burning stage with consistent metallicity.
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2026 3representative citing papers
A one-zone model shows that observed [Y/Eu] and [Sr/Eu] trends require a prompt first-peak channel, delayed BNS mergers dominating Eu, and delayed AGB s-process with t_min > 0.3 Gyr.
Lower BNS merger rates from GWTC-4 data produce tensions of factors 3.6-18 with SGRB rates, 0.9-4.1 with r-process rates, and 2.3-5.1 with Galactic DNS rates.
citing papers explorer
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Asteroseismic analysis of RY Leporis: the post-main sequence HADS in a binary system
Asteroseismic modeling of RY Leporis gives a mass of ~2 solar masses and age of ~730 Myr, locating it in the post-main-sequence hydrogen shell-burning stage with consistent metallicity.
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Distinct First-to-Second Peak Yield Ratios and Timescales Reveal a Sub-dominant Prompt Channel
A one-zone model shows that observed [Y/Eu] and [Sr/Eu] trends require a prompt first-peak channel, delayed BNS mergers dominating Eu, and delayed AGB s-process with t_min > 0.3 Gyr.
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Implications of low neutron star merger rates for gamma-ray bursts, r-process production and Galactic double neutron stars
Lower BNS merger rates from GWTC-4 data produce tensions of factors 3.6-18 with SGRB rates, 0.9-4.1 with r-process rates, and 2.3-5.1 with Galactic DNS rates.