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  4-OGC: Catalog of gravitational waves from compact-binary mergers

Nitz, A. H., Kumar, S., Wang, Y.-F., Kastha, S., Wu, S., Schäfer, M., et al. (in preparation). 4-OGC: Catalog of gravitational waves from compact-binary mergers.

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2112.06878.pdf (Preprint), 3MB
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 Creators:
Nitz, Alexander H.1, Author              
Kumar, Sumit1, Author              
Wang, Yi-Fan1, Author              
Kastha, Shilpa1, Author              
Wu, Shichao1, Author              
Schäfer, Marlin2, Author              
Dhurkunde, Rahul1, Author              
Capano, Collin1, Author              
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
2Binary Merger Observations and Numerical Relativity, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_2461691              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We present the fourth Open Gravitational-wave Catalog (4-OGC) of binary neutron star (BNS), binary black hole (BBH) and neutron star-black hole (NSBH) mergers. The catalog includes observations from 2015-2020 covering the first through third observing runs (O1, O2, O3a, O3b) of Advanced LIGO and Advanced Virgo. The updated catalog includes 7 BBH mergers which were not previously reported with high significance during O3b for a total of 94 observations: 90 BBHs, 2 NSBHs, and 2 BNSs. The most confident new detection, GW200318_191337, has component masses $49.1^{+16.4}_{-12.0}~M_{\odot}$ and $31.6^{+12.0}_{-11.6}~M_{\odot}$; its redshift of $0.84^{+0.4}_{-0.35}$ ($90\%$ credible interval) may make it the most distant merger so far. We provide reference parameter estimates for each of these sources using an up-to-date model accounting for instrumental calibration uncertainty. The corresponding data release also includes our full set of sub-threshold candidates.

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 Dates: 2021-12-13
 Publication Status: Not specified
 Pages: 18 pages, 5 figures, 4 tables
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 Table of Contents: -
 Rev. Type: -
 Identifiers: arXiv: 2112.06878
 Degree: -

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