TL;DR
This paper reviews the latest theoretical developments in the study of rotating relativistic stars, highlighting their importance for understanding dense matter and gravitational wave sources, with updates on equilibrium, instabilities, and new models.
Contribution
It provides an updated overview of theoretical models, including analytic solutions, instabilities, and specific star types, advancing the understanding of rotating relativistic stars.
Findings
Updated models of equilibrium properties
New insights into nonaxisymmetric instabilities
Analysis of rotating stars in various astrophysical contexts
Abstract
Rotating relativistic stars have been studied extensively in recent years, both theoretically and observationally, because of the information one could obtain about the equation of state of matter at extremely high densities and because they are considered to be promising sources of gravitational waves. The latest theoretical understanding of rotating stars in relativity is reviewed in this updated article. The sections on the equilibrium properties and on the nonaxisymmetric instabilities in f-modes and r-modes have been updated and several new sections have been added on analytic solutions for the exterior spacetime, rotating stars in LMXBs, rotating strange stars, and on rotating stars in numerical relativity.
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