Published March 11, 2024 | Version Published
Journal Article Open

Phenomenological gravitational-wave model for precessing black-hole binaries with higher multipoles and asymmetries

Abstract

In this work we introduce phenomxo4a, the first phenomenological, frequency-domain gravitational waveform model to incorporate multipole asymmetries and precession angles tuned to numerical relativity. We build upon the modeling work that produced the phenompnr model and incorporate our additions into the imrphenomx framework, retuning the coprecessing frame model and extending the tuned precession angles to higher signal multipoles. We also include, for the first time in frequency-domain models, a recent model for spin-precession-induced multipolar asymmetry in the coprecessing frame to the dominant gravitational-wave multipoles. The accuracy of the full model and its constituent components is assessed through comparison to numerical relativity and numerical relativity surrogate waveforms by computing mismatches and performing parameter estimation studies. We show that, for the dominant signal multipole, we retain the modeling improvements seen in the phenompnr model. We find that the relative accuracy of current full IMR models varies depending on location in parameter space and the comparison metric, and on average they are of comparable accuracy. However, we find that variations in the pointwise accuracy do not necessarily translate into large biases in the parameter estimation recoveries.

Copyright and License

© 2024 American Physical Society.

Acknowledgement

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PhysRevD.109.063012.pdf

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Additional details

Identifiers

ISSN
2470-0029

Funding

Science and Technology Facilities Council
ST/V00154X/1
European Research Council
647839
National Aeronautics and Space Administration
20-LPS20-0005
Swiss National Science Foundation
IZCOZ0-189876
Royal Society
URF\R1\211451
GRAPPA Prize
Max Planck Society
Science and Technology Facilities Council
ST/V005677/1
UK Research and Innovation
MR/T01881X/1
Universitat de les Illes Balears
Agencia Estatal de Investigación
PID2022-138626NB-I00
Agencia Estatal de Investigación
PID2019–106416GB-I00
Agencia Estatal de Investigación
RED2022-134204-E
Agencia Estatal de Investigación
RED2022-134411-T
Ministerio de Ciencia, Innovación y Universidades
10.13039/501100011033
European Union NextGenerationEU/PRTR
PRTR-C17.I1
Comunitat Autonòma de les Illes Balears
Tourist Stay Tax Law
PDR2020/11—ITS2017-006
Conselleria d'Economia, Hisenda i Innovació
SINCO2022/18146
Conselleria d'Economia, Hisenda i Innovació
SINCO2022/6719
Science and Technology Facilities Council
ST/P002293/1
Science and Technology Facilities Council
ST/R002371/1
Durham University
Science and Technology Facilities Council
ST/R000832/1
National Science Foundation
PHY-0757058
National Science Foundation
PHY-0823459
ICG
South East Physics Network
Welsh Government
Science and Technology Facilities Council
ST/I006285/1
State of Niedersachsen/Germany
Australian Research Council
European Gravitational Observatory
Centre National de la Recherche Scientifique
Istituto Nazionale di Fisica Nucleare
Dutch Nikhef
Ministry of Education, Culture, Sports, Science and Technology
Japan Society for the Promotion of Science
National Research Foundation of Korea
Ministry of Science and ICT
Academia Sinica
National Science and Technology Council
University of Zurich
University of Portsmouth
Direcció General de Recerca, Innovació I Transformació Digital

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