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Inferring the maximum and minimum mass of merging neutron stars with gravitational waves

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arxiv 2005.00482 v2 pith:W26YQ7T5 submitted 2020-05-01 astro-ph.HE gr-qc

Katerina Chatziioannou , Will M. Farr This is my paper · ORCID
classification astro-ph.HEgr-qc
keywords neutronmassstarslimitloweruppercutoffsdistribution
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abstract

We show that the maximum and the minimum mass of merging neutron stars can be estimated with upcoming gravitational wave observations. We simulate populations of binary neutron star signals and model their mass distribution including upper and lower cutoffs. The lower(upper) limit can be measured to $\sim 0.2(0.1)\text{M}_{\odot}$ with $50$ detections if the mass distribution supports neutron stars with masses close to the cutoffs. The upper mass limit informs about the high density properties of the neutron star equation of state, while the lower limit signals the divide between neutron stars and white dwarfs.

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  1. Cosmic Calipers: Precise and Accurate Neutron Star Radius Measurements with Next-Generation Gravitational Wave Detectors

    astro-ph.HE 2025-02 conditional novelty 5.0 of 10

    Future gravitational wave detectors should measure most neutron star radii to within about 5%, while current detectors give biased and imprecise estimates.

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