Kwok, Jack Y. L. and Lo, Rico K. L. and Weinstein, Alan J. and Li, Tjonnie G. F. (2022) Investigation of the effects of non-Gaussian noise transients and their mitigation in parameterized gravitational-wave tests of general relativity. Physical Review D, 105 (2). Art. No. 024066. ISSN 2470-0010. doi:10.1103/physrevd.105.024066. https://resolver.caltech.edu/CaltechAUTHORS:20220124-215282000
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Abstract
The detection of gravitational waves from compact binary coalescence by Advanced LIGO and Advanced Virgo provides an opportunity to study the strong-field, highly relativistic regime of gravity. Gravitational-wave tests of general relativity (GR) typically assume Gaussian and stationary detector noise and, thus, do not account for non-Gaussian, transient noise features (glitches). We present the results obtained by performing parametrized gravitational-wave tests on simulated signals from binary-black-hole coalescence overlapped with three classes of frequently occurring instrumental glitches with distinctly different morphologies. We then review and apply three glitch mitigation methods and evaluate their effects on reducing false deviations from GR. By considering nine cases of glitches overlapping with simulated signals, we show that the short-duration, broadband blip and tomte glitches under consideration introduce false violations of GR, and using an inpainting filter and glitch model subtraction can consistently eliminate such false violations without introducing additional effects.
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| Additional Information: | © 2022 American Physical Society. (Received 18 September 2021; accepted 6 December 2021; published 24 January 2022) J. Y. L. K. thanks Derek Davis and Jonah Kanner for insightful discussions. We thank the referee for careful reading of the manuscript; the referee’s suggestions have greatly improved our investigation. We thank the National Science Foundation (NSF) and NSF Research Experiences for Undergraduates (REU) Program for supporting the LIGO Summer Undergraduate Research Fellowships (SURF) program. The LIGO SURF Program is supported by NSF Grant No. PHY-1852081. Computing resources for this study was provided by the LIGO Laboratory and supported by NSF Grants No. PHY-0757058 and No. PHY-0823459. The work described in this paper is partially supported by grants from the Research Grants Council of the Hong Kong (Project No. CUHK 24304317), The Croucher Foundation of Hong Kong, and Research Committee of the Chinese University of Hong Kong. This research has made use of data, software, and/or Web tools obtained from the Gravitational Wave Open Science Center, a service of LIGO Laboratory, the LIGO Scientific Collaboration, and the Virgo Collaboration. LIGO Laboratory and Advanced LIGO are funded by the United States National Science Foundation (NSF) 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. Virgo is funded, through the European Gravitational Observatory (EGO), by the French Centre National de Recherche Scientifique (CNRS), the Italian Istituto Nazionale di Fisica Nucleare (INFN), and the Dutch Nikhef, with contributions by institutions from Belgium, Germany, Greece, Hungary, Ireland, Japan, Monaco, Poland, Portugal, and Spain. This paper carries LIGO Document No. LIGO-P2100294. | ||||||||||||||||||||||||||||||||
| Group: | LIGO | ||||||||||||||||||||||||||||||||
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| Issue or Number: | 2 | ||||||||||||||||||||||||||||||||
| DOI: | 10.1103/physrevd.105.024066 | ||||||||||||||||||||||||||||||||
| Record Number: | CaltechAUTHORS:20220124-215282000 | ||||||||||||||||||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20220124-215282000 | ||||||||||||||||||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||||||||||||||||||
| ID Code: | 113086 | ||||||||||||||||||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||||||||||||||||||
| Deposited By: | George Porter | ||||||||||||||||||||||||||||||||
| Deposited On: | 25 Jan 2022 15:15 | ||||||||||||||||||||||||||||||||
| Last Modified: | 25 Jan 2022 15:15 |
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