Cosmic background of gravitational waves from rotating neutron stars

被引：57

作者：

Regimbau, T ^{[1
]}

Pacheco, JAD ^{[1
]}

机构：

[1] Observ Cote Azur, F-06304 Nice 4, France

来源：

ASTRONOMY & ASTROPHYSICS | 2001年 / 376卷 / 02期

关键词：

pulsars : general; gravitational waves; stars : neutron;

D O I：

10.1051/0004-6361:20011005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The extragalactic background of gravitational waves produced by tri-axial rotating neutron stars was calculated, under the assumption that the properties of the underlying pulsar population are the same of those of the galactic population, recently derived by Regimbau & de Freitas Pacheco (2000). For an equatorial ellipticity of epsilon = 10(-6), the equivalent density parameter due to gravitational waves has a maximum amplitude in the range 2 x 10(-11) 3 x 10(-9), around 0.9-1.5 kHz. The main factors affecting the theoretical predictions are discussed. This background is comparable to that produced by the "ring-down" emission from distorted black holes. The detection possibility of this background by a future generation of gravitational antennas is also examined.

引用

页码：381 / 385

页数：5

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