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Uncertainty limits on neutron star radius measurements with gravitational waves

Chatziioannou, Katerina (2022) Uncertainty limits on neutron star radius measurements with gravitational waves. Physical Review D, 105 (8). Art. No. 084021. ISSN 2470-0010. doi:10.1103/PhysRevD.105.084021.

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Upcoming observing campaigns with improved detectors will yield numerous detections of gravitational waves from neutron star binary inspirals. Rare loud signals together with numerous signals of moderate strength promise stringent constraints on the properties of neutron star matter, with a projected radius statistical uncertainty of 50–200 m with O(2000) sources. Given this precision we revisit all analysis assumptions and identify sources of systematic errors, quantify their impact on radius extraction, and discuss their relative importance and ways to mitigate them.

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Chatziioannou, Katerina0000-0002-5833-413X
Additional Information:© 2022 American Physical Society. Received 27 August 2021; accepted 29 March 2022; published 13 April 2022. We thank the participants of the Aspen Center program “Exploring Extreme Matter in the Era of Multimessenger Astronomy: from the Cosmos to Quarks” for numerous discussions that motivated this study. We thank Max Isi for comments on the manuscript. This work was initiated at Aspen Center for Physics, which is supported by National Science FoundationGrantNo. PHY-1607611. Thisworkwas partially supported by a grant from the Simons Foundation. This research hasmade use of data, software and/orweb tools obtained from the Gravitational Wave Open Science Center [162], a service of LIGO Laboratory, the LIGO Scientific Collaboration and the Virgo Collaboration. Virgo is funded by the French Centre National de Recherche Scientifique (CNRS), the Italian Istituto Nazionale della Fisica Nucleare (INFN) and the Dutch Nikhef, with contributions by Polish and Hungarian institutes. This material is based upon work supported by NSF’s LIGO Laboratory which is a major facility fully funded by the National Science Foundation. The authors are grateful for computational resources provided by the LIGO Laboratory and supported by National Science Foundation Grants No. PHY-0757058 and No. PHY-0823459. Software: GWPY [163], MATPLOTLIB [164], GWTOOLBOX [54].
Group:LIGO, Astronomy Department
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Simons FoundationUNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Issue or Number:8
Record Number:CaltechAUTHORS:20211006-162622691
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:111239
Deposited By: Tony Diaz
Deposited On:06 Oct 2021 16:31
Last Modified:18 Apr 2022 18:18

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