Published June 15, 2021 | Version Submitted + Published
Journal Article Open

Tests of general relativity with binary black holes from the second LIGO-Virgo gravitational-wave transient catalog

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Abstract

Gravitational waves enable tests of general relativity in the highly dynamical and strong-field regime. Using events detected by LIGO-Virgo up to 1 October 2019, we evaluate the consistency of the data with predictions from the theory. We first establish that residuals from the best-fit waveform are consistent with detector noise, and that the low- and high-frequency parts of the signals are in agreement. We then consider parametrized modifications to the waveform by varying post-Newtonian and phenomenological coefficients, improving past constraints by factors of ∼2; we also find consistency with Kerr black holes when we specifically target signatures of the spin-induced quadrupole moment. Looking for gravitational-wave dispersion, we tighten constraints on Lorentz-violating coefficients by a factor of ∼2.6 and bound the mass of the graviton to m_g ≤ 1.76×10⁻²³  eV/c² with 90% credibility. We also analyze the properties of the merger remnants by measuring ringdown frequencies and damping times, constraining fractional deviations away from the Kerr frequency to δf₂₂₀ = 0.03^(+0.38)_(−0.35) for the fundamental quadrupolar mode, and δf₂₂₁ = 0.04^(+0.27)_(−0.32) for the first overtone; additionally, we find no evidence for postmerger echoes. Finally, we determine that our data are consistent with tensorial polarizations through a template-independent method. When possible, we assess the validity of general relativity based on collections of events analyzed jointly. We find no evidence for new physics beyond general relativity, for black hole mimickers, or for any unaccounted systematics.

Additional Information

© 2021 American Physical Society. Received 27 October 2020; accepted 24 December 2020; published 15 June 2021. Analyses in this paper made use of numpy [271], scipy [272], astropy [273,274], ipython [275], qnm [276], pesummary [277], and gwpy [278]; plots were produced with matplotlib [279], and seaborn [280]. Posteriors were sampled with stan [128], cpnest [281], pymultinest [282,283], and lalinference [116]. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO as well as the Science and Technology Facilities Council (STFC) of the United Kingdom, the Max-Planck-Society (MPS), and the State of Niedersachsen/Germany for support of the construction of Advanced LIGO and construction and operation of the GEO600 detector. Additional support for Advanced LIGO was provided by the Australian Research Council. The authors gratefully acknowledge the Italian Istituto Nazionale di Fisica Nucleare (INFN), the French Centre National de la Recherche Scientifique (CNRS) and the Netherlands Organization for Scientific Research, for the construction and operation of the Virgo detector and the creation and support of the EGO consortium. The authors also gratefully acknowledge research support from these agencies as well as by the Council of Scientific and Industrial Research of India, the Department of Science and Technology, India, the Science & Engineering Research Board (SERB), India, the Ministry of Human Resource Development, India, the Spanish Agencia Estatal de Investigación, the Vicepresidència i Conselleria d'Innovació, Recerca i Turisme and the Conselleria d'Educació i Universitat del Govern de les Illes Balears, the Conselleria d'Innovació, Universitats, Ciència i Societat Digital de la Generalitat Valenciana and the CERCA Programme Generalitat de Catalunya, Spain, the National Science Centre of Poland and the Foundation for Polish Science (FNP), the Swiss National Science Foundation (SNSF), the Russian Foundation for Basic Research, the Russian Science Foundation, the European Commission, the European Regional Development Funds (ERDF), the Royal Society, the Scottish Funding Council, the Scottish Universities Physics Alliance, the Hungarian Scientific Research Fund (OTKA), the French Lyon Institute of Origins (LIO), the Belgian Fonds de la Recherche Scientifique (FRS-FNRS), Actions de Recherche Concertées (ARC) and Fonds Wetenschappelijk Onderzoek—Vlaanderen (FWO), Belgium, the Paris Île-de-France Region, the National Research, Development and Innovation Office Hungary (NKFIH), the National Research Foundation of Korea, the Natural Science and Engineering Research Council Canada, Canadian Foundation for Innovation (CFI), the Brazilian Ministry of Science, Technology, Innovations, and Communications, the International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR), the Research Grants Council of Hong Kong, the National Natural Science Foundation of China (NSFC), the Leverhulme Trust, the Research Corporation, the Ministry of Science and Technology (MOST), Taiwan and the Kavli Foundation. The authors gratefully acknowledge the support of the NSF, STFC, INFN, and CNRS for provision of computational resources.

Attached Files

Published - PhysRevD.103.122002.pdf

Submitted - 2010.14529.pdf

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Additional details

Identifiers

Eprint ID
107585
Resolver ID
CaltechAUTHORS:20210120-082604317

Related works

Funding

NSF
Science and Technology Facilities Council (STFC)
Max-Planck-Society (MPS)
State of Niedersachsen/Germany
Australian Research Council
Istituto Nazionale di Fisica Nucleare (INFN)
Centre National de la Recherche Scientifique (CNRS)
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
Council of Scientific and Industrial Research (India)
Department of Science and Technology (India)
Science and Engineering Research Board (SERB)
Ministry of Human Resource Development (India)
Agencia Estatal de Investigación
Vicepresidència i Conselleria d'Innovació, Recerca i Turisme
Conselleria d'Educació i Universitat del Govern de les Illes Balears
Conselleria d'Innovació, Universitats, Ciència i Societat Digital de la Generalitat Valenciana
Generalitat de Catalunya
National Science Centre (Poland)
Swiss National Science Foundation (SNSF)
Russian Foundation for Basic Research
Russian Science Foundation
European Commission
European Regional Development Funds (ERDF)
Royal Society
Scottish Funding Council
Scottish Universities Physics Alliance
Hungarian Scientific Research Fund (OTKA)
Lyon Institute of Origins (LIO)
Fonds de la Recherche Scientifique (FNRS)
Actions de Recherche Concertées
Fonds Wetenschappelijk Onderzoek (FWO)
Paris Île-de-France Region
National Research, Development and Innovation Fund (NKFIA)
National Research Foundation of Korea
Industry Canada
Ontario Ministry of Economic Development and Innovation
Natural Sciences and Engineering Research Council of Canada (NSERC)
Canadian Institute for Advanced Research (CIFAR)
Ministério da Ciência, Tecnologia, Inovação e Comunicação (MCTIC)
International Center for Theoretical Physics South American Institute for Fundamental Research (ICTP-SAIFR)
Research Grants Council of Hong Kong
National Natural Science Foundation of China
Leverhulme Trust
Research Corporation
Ministry of Science and Technology (Taipei)
Kavli Foundation

Dates

Created
2021-01-22
Created from EPrint's datestamp field
Updated
2023-04-28
Created from EPrint's last_modified field

Caltech Custom Metadata

Caltech groups
LIGO , Physics Department , Physics Department
Other Numbering System Name
LIGO Document
Other Numbering System Identifier
P2000091