Effect of double spin-precession and higher harmonics on spin-induced quadrupole moment measurements

authored by
Divyajyoti, N. V. Krishnendu, Muhammed Saleem, Marta Colleoni, Aditya Vijaykumar, K. G. Arun, Chandra Kant Mishra
Abstract

We investigate the prospect of performing a null test of binary black hole (BBH) nature using spin-induced quadrupole moment (SIQM) measurements. This is achieved by constraining a deviation parameter (δκ) related to the parameter (κ) that quantifies the degree of deformation due to the spin of individual binary components on leading (quadrupolar) spin-induced moment. Throughout the paper, we refer to κ as the SIQM parameter and δκ as the SIQM-deviation parameter. The test presented here extends the earlier SIQM-based null tests for BBH nature by employing waveform models that account for double spin-precession and higher modes. We find that waveform with double spin-precession gives better constraints for δκ, compared to waveform with single spin-precession. We also revisit earlier constraints on the SIQM-deviation parameter for selected GW events observed through the first three observing runs (O1-O3) of LIGO-Virgo detectors. Additionally, the effects of higher-order modes on the test are also explored for a variety of mass-ratio and spin combinations by injecting simulated signals in zero-noise. Our analyses indicate that binaries with mass-ratio greater than three and significant spin precession may require waveforms that account for spin-precession and higher modes to perform the parameter estimation reliably.

Organisation(s)
Institute of Gravitation Physics
External Organisation(s)
Indian Institute of Technology Madras (IITM)
International Centre for Theoretical Sciences
Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
University of Minnesota
University of the Balearic Islands
University of Toronto
Chennai Mathematical Institute
Type
Article
Journal
Physical Review D
Volume
109
No. of pages
14
ISSN
2470-0010
Publication date
10.01.2024
Publication status
Published
Peer reviewed
Yes
ASJC Scopus subject areas
Nuclear and High Energy Physics
Electronic version(s)
https://doi.org/10.48550/arXiv.2311.05506 (Access: Open)
https://doi.org/10.1103/PhysRevD.109.023016 (Access: Closed)