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题名: Strongly lensed gravitational waves from intrinsically faint double compact binaries - prediction for the Einstein Telescope
作者: Ding, XH;  Biesiada, M;  Zhu, ZH
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2015
期号: 12, 页码:6
关键词: gravitational lensing ;  gravitational waves / sources ;  gravitational waves / experintents
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1088/1475-7516/2015/12/006
通讯作者: Ding, XH (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China.
文章类型: Article
英文摘要: With a fantastic sensitivity improving significantly over the advanced GW detectors, Einstein Telescope (ET) will be able to observe hundreds of thousand inspiralling double compact objects per year. By virtue of gravitational lensing effect, intrinsically unobservable faint sources can be observed by ET due to the magnification by intervening galaxies. We explore the possibility of observing such faint sources amplified by strong gravitational lensing. Following our previous work, we use the merger rates of DCO (NS-NS,BH-NS,BH-BH systems) as calculated by IDominik et al.(2013). It turns out that tens to hundreds of such (lensed) extra events will be registered by ET. This will strongly broaden the ET's distance reach for signals from such coalescences to the redshift range z = 2 - 8. However, with respect to the full inspiral event catalog this magnification bias is at the level of 0.001 and should not affect much cosmological inferences.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: STAR-FORMATION HISTORY ;  NEUTRON-STARS ;  DARK-MATTER ;  GALAXIES ;  RATES ;  LIGHT ;  MASS
收录类别: SCI
项目资助者: Poland-China Scientific & Technological Cooperation Committee Project [35-4] ;  Ministry of Science and Technology National Basic Science Program [2012CB821804, 2014CB845806] ;  National Natural Science Foundation of China [11373014, 11073005] ;  Fundamental Research Funds for the Central Universities and Scientific Research Foundation of Beijing Normal University
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20765
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Recommended Citation:
Ding, XH,Biesiada, M,Zhu, ZH. Strongly lensed gravitational waves from intrinsically faint double compact binaries - prediction for the Einstein Telescope[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2015(12):6.
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