Systematic and statistical errors in a Bayesian approach to the estimation of the neutron-star equation of state using advanced gravitational wave detectors

被引：216

作者：

Wade, Leslie ^{[1
]}

Creighton, Jolien D. E. ^{[1
]}

Ochsner, Evan ^{[1
]}

Lackey, Benjamin D. ^{[2
]}

Farr, Benjamin F. ^{[3
]}

Littenberg, Tyson B. ^{[3
]}

Raymond, Vivien ^{[4
]}

机构：

[1] Univ Wisconsin, Dept Phys, Milwaukee, WI 53201 USA

[2] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[3] Ctr Interdisciplinary Explorat & Res Astrophys, Dept Phys & Astron, Evanston, IL 60208 USA

[4] CALTECH, LIGO, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW D | 2014年 / 89卷 / 10期

基金：

美国国家科学基金会;

关键词：

NUCLEAR-EQUATION; MASSES;

D O I：

10.1103/PhysRevD.89.103012

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Advanced ground-based gravitational-wave detectors are capable of measuring tidal influences in binary neutron-star systems. In this work, we report on the statistical uncertainties in measuring tidal deformability with a full Bayesian parameter estimation implementation. We show how simultaneous measurements of chirp mass and tidal deformability can be used to constrain the neutron-star equation of state. We also study the effects of waveform modeling bias and individual instances of detector noise on these measurements. We notably find that systematic error between post-Newtonian waveform families can significantly bias the estimation of tidal parameters, thus motivating the continued development of waveform models that are more reliable at high frequencies.

引用

页数：14

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