Extracting Astrophysical Information of Highly-Eccentric Binaries in the Millihertz Gravitational Wave Band

{getToc} $title={Table of Contents}

Summary

This study explores the detectability and parameter measurement accuracy of highly eccentric stellar-mass compact object binaries in the millihertz gravitational wave band. The results show that LISA can detect these sources and provide accurate measurements of their orbital frequencies and eccentricities.

Highlights

• Highly eccentric compact object binaries can be detected by LISA in the millihertz gravitational wave band.
• The detection of these sources can provide accurate measurements of their orbital frequencies and eccentricities.
• The parameter measurement accuracy depends on the binary's semi-major axis, eccentricity, and the observation time.
• The Fisher matrix analysis is used to estimate the parameter measurement errors.
• The results show that LISA can detect these sources with high signal-to-noise ratios.
• The detection of these sources can provide valuable insights into their formation channels and astrophysical environments.
• The study highlights the importance of considering highly eccentric compact object binaries in the search for gravitational wave sources.

Key Insights

• The detection of highly eccentric compact object binaries by LISA can provide accurate measurements of their orbital frequencies and eccentricities, which can be used to constrain their formation channels and astrophysical environments.
• The parameter measurement accuracy depends on the binary's semi-major axis, eccentricity, and the observation time, highlighting the importance of considering these factors in the search for gravitational wave sources.
• The Fisher matrix analysis is a powerful tool for estimating the parameter measurement errors of highly eccentric compact object binaries, and can be used to optimize the search for these sources.
• The detection of highly eccentric compact object binaries can provide valuable insights into the astrophysical processes that govern the formation and evolution of compact object binaries.
• The study highlights the importance of considering highly eccentric compact object binaries in the search for gravitational wave sources, and demonstrates the potential of LISA to detect these sources and provide accurate measurements of their parameters.
• The results of this study have implications for the search for gravitational wave sources and the study of compact object binaries, and highlight the potential of LISA to make new discoveries in this field.
• The detection of highly eccentric compact object binaries by LISA can also provide insights into the properties of the compact objects themselves, such as their masses and spins.

Mindmap

Citation

Xuan, Z., Naoz, S., Li, A. K. Y., Kocsis, B., Petigura, E., Knee, A. M., McIver, J., Kremer, K., & Farr, W. M. (2024). Extracting Astrophysical Information of Highly-Eccentric Binaries in the Millihertz Gravitational Wave Band (Version 3). arXiv. https://doi.org/10.48550/ARXIV.2409.15413