Prospects of eLISA for detecting Galactic binary black holes similar to GW150914

被引：32
|
作者：
Seto, Naoki [1 ]
机构：
[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2016年 / 460卷 / 01期
关键词：
gravitational waves; binaries: close; GRAVITATIONAL-WAVE EMISSION; MERGERS; MECHANISM; SYSTEMS;
D O I：
10.1093/mnrasl/slw060
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We discuss the prospects of eLISA for detecting gravitational waves (GWs) from Galactic binary black holes (BBHs) similar to GW150914. For a comoving merger rate that is consistent with current observation, eLISA is likely to identify at least one BBH with a sufficient signal-to-noise ratio. In addition, eLISA has a potential to measure the eccentricity of the BBH as small as e similar to 0.02, corresponding to the residual value e similar to 10(-6) at 10 Hz. Therefore, eLISA could provide us with a crucial information to understand the formation processes of relatively massive BBHs like GW150914. We also derive a simple scaling relation for the expected number of detectable Galactic BBHs.
引用
收藏
页码：L1 / L4
页数：4
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