Gravitational waves from inspiraling compact binaries: The quadrupole-moment term

被引：213

作者：

Poisson, E ^{[1
]}

机构：

[1] Univ Guelph, Dept Phys, Guelph, ON N1G 2W1, Canada

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.57.5287

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A rotating star's oblateness creates a deformation in the gravitational field outside the star, which is measured by the quadrupole-moment tenser. We consider the effect of the quadrupole moment on the orbital motion and rate of inspiral of a compact binary system, composed of neutron stars and/or black holes. We find that in the case of circular orbits, the quadrupole-monopole interaction affects the relation between orbital radius and angular velocity, and also the rate of inspiral, by a quantity of order (v/c)(4), where v is the orbital velocity and c the speed of light.

引用

页码：5287 / 5290

页数：4

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