Modeling Phase-resolved Observations of the Surfaces of Magnetic Neutron Stars
Wynn C. G. Ho, Kaya Mori
TL;DR
This paper develops models of neutron star surface emissions to interpret X-ray observations, enabling insights into their surface composition, magnetic fields, and nuclear physics.
Contribution
It introduces detailed phase-resolved emission models for neutron stars, improving interpretation of observational data and constraining physical properties.
Findings
Modeling of spectra and light curves for RX J1856.5-3754 and 1E 1207.4-5209.
Insights into surface composition and magnetic field configurations.
Implications for the nuclear equation of state.
Abstract
Recent observations by XMM-Newton detected rotational pulsations in the total brightness and spectrum of several neutron stars. To properly interpret the data, accurate modeling of neutron star emission is necessary. Detailed analysis of the shape and strength of the rotational variations allows a measurement of the surface composition and magnetic field, as well as constrains the nuclear equation of state. We discuss our models of the spectra and light curves of two of the most observed neutron stars, RX J1856.5-3754 and 1E 1207.4-5209, and discuss some implications of our results and the direction of future work.
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