随机引力波背景的局限性和用GRACE跟踪单源探测的前景
Limits on the Stochastic Gravitational Wave Background and Prospects for Single Source Detection with GRACE Follow-On
摘要:
通过对最新结果的重新解释,GRACE后续任务可以应用于引力波天文学。现有的GRACE后续数据将随机引力波背景限制在100 mHz的$Ω_{GW}<3.3\times10^{7}$。通过专门的分析,GRACE后续计划可能能够探测到本地中子星双星的螺旋,亚星系恒星质量黑洞双星的螺旋,或者银河系内中等质量黑洞双星的合并。
英文摘要:
With a reinterpretation of recent results, the GRACE Follow-On mission can be applied to gravitational wave astronomy. Existing GRACE Follow-On data constrain the stochastic gravitational wave background to $Ω_{GW}<3.3\times10^{7}$ at 100 mHz. With a dedicated analysis, GRACE Follow-On may be able to detect the inspiral of local neutron star binaries, inspiral of subgalactic stellar-mass black hole binaries, or mergers of intermediate-mass black hole binaries within the Milky Way.
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