Standard Siren Cosmology with Gravitational Waves from Binary Black Hole Mergers in Active Galaxy Nuclei
Standard Siren Cosmology with Gravitational Waves from Binary Black Hole Mergers in Active Galaxy Nuclei
复制标题
标准海妖宇宙学与活跃星系核中双黑洞合并的引力波
DOI:
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
A. Palmese
中科院分区:
文献类型:
--
作者:
C. Bom;A. Palmese
The detection of gravitational waves (GW) with an electromagnetic counterpart enabled the first Hubble Constant $H_0$ measurement through the standard siren method. Current constraints suggest that $\sim 20-80\%$ of LIGO/Virgo/KAGRA (LVK) Binary Black Hole (BBH) mergers occur in Active Galactic Nuclei (AGN) disks. The claim for a possible association of several BBH mergers with flaring AGNs suggests that cosmological analyses using BBH and AGNs might be promising. We explore standard siren analyses through a method that takes into account the presence of background flaring AGNs, without requiring a unique host galaxy identification, and apply it to realistic GW simulations. Depending on the fraction of LVK BBHs that induce flares, we expect to constrain $H_0$ at the $\sim 3.5-7\%$ ($\sim 2.5-5\%$) precision with $\sim 2$ years or $\sim 160$ events ($\sim 1$ year or $500$ events) of LVK at design (A+) sensitivity, assuming that systematic BBH follow-up searches are performed. Assuming a more restrictive $\Omega_{\rm m}$ prior and that at least $20\%$ of BBHs produces detectable flares, we may reach a $3\%$ ($2\%$) precision in $H_0$ after 2 (1) year of LVK at design (A+) sensitivity. We also show that a $\sim 5-10\%$ precision is possible with complete AGN catalogs and 1 year of LVK run, without the need of time-critical follow-up observations.
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DOI:
10.3847/1538-4357/ac74bb
发表时间:
2021-11
期刊:
The Astrophysical Journal
影响因子:
--
作者:
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通讯作者:
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DOI:
10.3847/1538-4357/abe40e
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2020-11
期刊:
The Astrophysical Journal
影响因子:
--
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DOI:
10.3847/2041-8213/ac2cc1
发表时间:
2021-04
期刊:
The Astrophysical Journal Letters
影响因子:
--
作者:
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通讯作者:
V. Gayathri;Y. Yang;H. Tagawa;Z. Haiman;I. Bartos
影响因子:
14.1
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通讯作者:
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DOI:
10.3847/2041-8213/ab4284
发表时间:
2019-08
期刊:
The Astrophysical Journal Letters
影响因子:
--
作者:
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通讯作者:
W. Farr;M. Fishbach;Jiani Ye;D. Holz