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Constraining the neutron star equation of state using Pulse Profile Modeling

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arxiv 1904.07012 v1 pith:GDQT77J7 submitted 2019-04-15 astro-ph.HE astro-ph.SRgr-qcnucl-th

classification astro-ph.HEastro-ph.SRgr-qcnucl-th
keywords neutronstarequationhotspotsmissionmodelingprofilepulse
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One very promising technique for measuring the dense matter Equation of State exploits hotspots that form on the neutron star surface due to the pulsar mechanism, accretion streams, or during thermonuclear explosions in the neutron star ocean. This article explains how Pulse Profile Modeling of hotspots is being used by the Neutron Star Interior Composition Explorer (NICER), an X-ray telescope installed on the International Space Station in 2017 - and why the technique is a mission driver for the next, larger-area generation of telescopes including the enhanced X-ray Timing and Polarimetry (eXTP) mission and the Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays (STROBE-X).

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Cited by 1 Pith paper

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  1. Scaling relations for the uncertainty in neutron star radius inferred from pulse profile modelling: the effect of spin rate

    astro-ph.HE 2025-02 conditional novelty 6.0 of 10

    Simulated pulse-profile modelling with X-PSI shows radius credible intervals stop shrinking once neutron star spin exceeds about 200 Hz, contradicting a simple 1/f scaling.

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