Masses, Radii, and the Equation of State of Neutron Stars

被引：1037

作者：

Ozel, Feryal ^{[1
]}

Freire, Paulo ^{[2
]}

机构：

[1] Univ Arizona, Dept Astron, Tucson, AZ 85721 USA

[2] Max Planck Inst Radioastron, D-53121 Bonn, Germany

来源：

ANNUAL REVIEW OF ASTRONOMY AND ASTROPHYSICS, VOL 54 | 2016年 / 54卷

基金：

美国国家科学基金会;

关键词：

neutron stars; dense matter; pulsars; pulsar timing; X-ray sources; X-RAY-BURSTS; BINARY MILLISECOND PULSAR; GREEN-BANK TELESCOPE; RELATIVISTIC CELESTIAL MECHANICS; HARTLE-THORNE APPROXIMATION; XMM-NEWTON OBSERVATIONS; WHITE-DWARF COMPANION; DENSE MATTER; NUCLEAR-EQUATION; LIGHT CURVES;

D O I：

10.1146/annurev-astro-081915-023322

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We summarize our current knowledge of neutron-star masses and radii. Recent instrumentation and computational advances have resulted in a rapid increase in the discovery rate and precise timing of radio pulsars in binaries in the past few years, leading to a large number of mass measurements. These discoveries show that the neutron-star mass distribution is much wider than previously thought, with three known pulsars now firmly in the 1.9-2.0-M-circle dot mass range. For radii, large, high-quality data sets from X-ray satellites as well as significant progress in theoretical modeling led to considerable progress in the measurements, placing them in the 10-11.5-km range and shrinking their uncertainties, owing to a better understanding of the sources of systematic errors. The combination of the massive-neutron-star discoveries, the tighter radius measurements, and improved laboratory constraints of the properties of dense matter has already made a substantial impact on our understanding of the composition and bulk properties of cold nuclear matter at densities higher than that of the atomic nucleus, a major unsolved problem in modern physics.

引用

页码：401 / 440

页数：40

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