Bayesian inference for compact binary coalescences with bilby: validation and application to the first LIGO–Virgo gravitational-wave transient catalogue

Author:

Romero-Shaw I M12ORCID,Talbot C123ORCID,Biscoveanu S45ORCID,D’Emilio V6ORCID,Ashton G12ORCID,Berry C P L78ORCID,Coughlin S7ORCID,Galaudage S12ORCID,Hoy C6ORCID,Hübner M12ORCID,Phukon K S9101112ORCID,Pitkin M13ORCID,Rizzo M7ORCID,Sarin N12ORCID,Smith R12ORCID,Stevenson S1415ORCID,Vajpeyi A12ORCID,Arène M16ORCID,Athar K1,Banagiri S17ORCID,Bose N18ORCID,Carney M7ORCID,Chatziioannou K19ORCID,Clark J A20ORCID,Colleoni M21,Cotesta R22ORCID,Edelman B23ORCID,Estellés H21,García-Quirós C21ORCID,Ghosh Abhirup22ORCID,Green R6ORCID,Haster C-J45ORCID,Husa S21,Keitel D21ORCID,Kim A X7ORCID,Hernandez-Vivanco F12ORCID,Magaña Hernandez I24ORCID,Karathanasis C25ORCID,Lasky P D12ORCID,De Lillo N8ORCID,Lower M E141526ORCID,Macleod D6ORCID,Mateu-Lucena M21ORCID,Miller A272829,Millhouse M3031ORCID,Morisaki S32ORCID,Oh S H33ORCID,Ossokine S22ORCID,Payne E12ORCID,Powell J1415ORCID,Pratten G34,Pürrer M22ORCID,Ramos-Buades A21ORCID,Raymond V6ORCID,Thrane E12ORCID,Veitch J8ORCID,Williams D8ORCID,Williams M J8ORCID,Xiao L3ORCID

Affiliation:

1. School of Physics and Astronomy, Monash University, Clayton, VIC 3800, Australia

2. OzGrav: The ARC Centre of Excellence for Gravitational Wave Discovery, Clayton, VIC 3800, Australia

3. LIGO Laboratory, California Institute of Technology, Pasadena, CA 91125, USA

4. LIGO Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA

5. Department of Physics and Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA

6. School of Physics and Astronomy, Gravity Exploration Institute, Cardiff University, Cardiff CF24 3AA, UK

7. Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA), Northwestern University, 1800 Sherman Avenue, Evanston, IL 60201, USA

8. SUPA, University of Glasgow, Glasgow G12 8QQ, UK

9. Nikhef, Science Park 105, NL-1098 XG Amsterdam, the Netherlands

10. Institute for High-Energy Physics, University of Amsterdam, Science Park 904, NL-1098 XH Amsterdam, the Netherlands

11. Department of Physics, Indian Institute of Technology, Kanpur 208016, India

12. Inter-University Centre for Astronomy and Astrophysics, Pune 411007, India

13. Department of Physics, Lancaster University, Lancaster LA1 4YB, UK

14. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122, Australia

15. OzGrav: The ARC Centre of Excellence for Gravitational Wave Discovery, Hawthorn, VIC 3122, Australia

16. CNRS, Astroparticule et Cosmologie, Université de Paris, F-75006 Paris, France

17. School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA

18. Department of Physics, Indian Institute of Technology Bombay, Mumbai, Maharashtra 400076, India

19. Center for Computational Astrophysics, Flatiron Institute, 162 5th Avenue, New York, NY 10010, USA

20. School of Physics, Georgia Institute of Technology, Atlanta, GA 30332, USA

21. IAC3-IEEC, Universitat de les Illes Balears, E-07122 Palma de Mallorca, Spain

22. Max Planck Institute for Gravitational Physics (Albert Einstein Institute), D-14476 Potsdam-Golm, Germany

23. Department of Physics, University of Oregon, Eugene, OR 97403, USA

24. University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA

25. Institut de Física d’Altes Energies (IFAE), Barcelona Institute of Science and Technology, and ICREA, E-08193 Barcelona, Spain

26. CSIRO Astronomy and Space Science, Australia Telescope National Facility, Epping, NSW 1710, Australia

27. Department of Physics, University of Florida, Gainesville, FL 32611, USA

28. Department of Physics, Università di Roma La Sapienza, I-00185 Roma, Italy

29. INFN, Sezione di Roma, I-00185 Roma, Italy

30. School of Physics, University of Melbourne, Parkville, VIC 3010, Australia

31. OzGrav: The ARC Centre of Excellence for Gravitational Wave Discovery, University of Melbourne, Parkville, VIC 3010, Australia

32. Institute for Cosmic Ray Research, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8582, Japan

33. National Institute for Mathematical Sciences, Daejeon 34047, South Korea

34. School of Physics and Astronomy and Institute for Gravitational Wave Astronomy, University of Birmingham, Edgbaston, Birmingham B15 9TT, UK

Abstract

ABSTRACT Gravitational waves provide a unique tool for observational astronomy. While the first LIGO–Virgo catalogue of gravitational-wave transients (GWTC-1) contains 11 signals from black hole and neutron star binaries, the number of observations is increasing rapidly as detector sensitivity improves. To extract information from the observed signals, it is imperative to have fast, flexible, and scalable inference techniques. In a previous paper, we introduced bilby: a modular and user-friendly Bayesian inference library adapted to address the needs of gravitational-wave inference. In this work, we demonstrate that bilby produces reliable results for simulated gravitational-wave signals from compact binary mergers, and verify that it accurately reproduces results reported for the 11 GWTC-1 signals. Additionally, we provide configuration and output files for all analyses to allow for easy reproduction, modification, and future use. This work establishes that bilby is primed and ready to analyse the rapidly growing population of compact binary coalescence gravitational-wave signals.

Funder

Australian Research Council

Division of Arctic Sciences

National Research Foundation of Korea

National Science Foundation

Agencia Estatal de Investigación

Ministry of Science, Innovation and Universities

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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