Determining gravitational wave radiation from close galaxy pairs using a binary population synthesis approach

doi:10.1051/0004-6361/201117501

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	Determining gravitational wave radiation from close galaxy pairs using a binary population synthesis approach
	Liu, J 1; Zhang YW(张杨威)2,3 ; Zhang, H 1; Sun YT(孙玉涛)2 ; Wang, N 1; Liu, J (reprint author), Chinese Acad Sci, Xinjiang Observ, Natl Astron Observ, 150 Sci 1 St Urumqi, Xinjiang 830011, Peoples R China.
发表期刊	ASTRONOMY & ASTROPHYSICS
	2012-04
卷号	540
DOI	10.1051/0004-6361/201117501
产权排序	第2完成单位
收录类别	SCI
关键词	Binaries: General Black Hole Physics Stars: Evolution Gravitational Waves
摘要	Context. The early phase of the coalescence of supermassive black hole (SMBH) binaries from their host galaxies provides a guaranteed source of low-frequency (nHz-mu Hz) gravitational wave (GW) radiation by pulsar timing observations. These types of GW sources would survive the coalescing and be potentially identifiable. Aims. We aim to provide an outline of a new method for detecting GW radiation from individual SMBH systems based on the Sloan Digital Sky Survey (SDSS) observational results, which can be verified by future observations. Methods. Combining the sensitivity of the international Pulsar Timing Array (PTA) and the Square Kilometer Array (SKA) detectors, we used a binary population synthesis (BPS) approach to determine GW radiation from close galaxy pairs under the assumption that SMBHs formed at the core of merged galaxies. We also performed second post-Newtonian approximation methods to estimate the variation of the strain amplitude with time. Results. We find that the value of the strain amplitude h varies from about 10(-14) to 10(-17) using the observations of 20 years, and we estimate that about 100 SMBH sources can be detected with the SKA detector.
项目资助者	light in China's Western Region (LCWR) [XBBS201022] ; Natural Science Foundation [11103054] ; Xinjiang Natural Science Foundation [2011211A104] ; John Templeton Foundation
语种	英语
学科领域	Astronomy & Astrophysics
文章类型	Article
ISSN	0004-6361
URL	查看原文
WOS记录号	WOS:000303315400081
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
关键词[WOS]	BLACK-HOLE BINARIES ; DOUBLE WHITE-DWARFS ; PULSAR TIMING ARRAYS ; DIGITAL SKY SURVEY ; MODEL ; MASS ; EVOLUTION ; OBJECTS ; BURSTS ; NUCLEI
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ynao.ac.cn/handle/114a53/5422
专题	南方基地
通讯作者	Liu, J (reprint author), Chinese Acad Sci, Xinjiang Observ, Natl Astron Observ, 150 Sci 1 St Urumqi, Xinjiang 830011, Peoples R China.
作者单位	1.National Astronomical Observatories/Xinjiang Observatory, Chinese Academy of Sciences, 150 Science 1-Street Urumqi, 830011 Xinjiang, PR China 2.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, 650011 Kunming, PR China 3.Graduate University of the Chinese Academy of Sciences, 100049 Beijing, PR China
推荐引用方式 GB/T 7714	Liu, J,Zhang YW,Zhang, H,et al. Determining gravitational wave radiation from close galaxy pairs using a binary population synthesis approach[J]. ASTRONOMY & ASTROPHYSICS,2012,540.
APA	Liu, J,Zhang YW,Zhang, H,Sun YT,Wang, N,&Liu, J .(2012).Determining gravitational wave radiation from close galaxy pairs using a binary population synthesis approach.ASTRONOMY & ASTROPHYSICS,540.
MLA	Liu, J,et al."Determining gravitational wave radiation from close galaxy pairs using a binary population synthesis approach".ASTRONOMY & ASTROPHYSICS 540(2012).

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