Multi-messenger parameter inference of gravitational-wave and electromagnetic observations of white dwarf binaries

Peyton T. Johnson, Michael W. Coughlin, Ashlie Hamilton, María José Bustamante-Rosell, Gregory Ashton, Samuel Corey, Thomas Kupfer, Tyson B. Littenberg, Draco Reed, Aaron Zimmerman

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Abstract

The upcoming Laser Interferometer Space Antenna (LISA) will detect a large gravitational-wave foreground of Galactic white dwarf binaries. These sources are exceptional for their probable detection at electromagnetic wavelengths, some long before LISA flies. Studies in both gravitational and electromagnetic waves will yield strong constraints on system parameters not achievable through measurements of one messenger alone. In this work, we present a Bayesian inference pipeline and simulation suite in which we study potential constraints on binaries in a variety of configurations. We show how using LISA detections and parameter estimation can significantly improve constraints on system parameters when used as a prior for the electromagnetic analyses. We also provide rules of thumb for how current measurements will benefit from LISA measurements in the future.
Original languageEnglish
JournalMonthly Notices of the Royal Astronomical Society
Volume525
Issue number3
Publication statusPublished - 1 Nov 2021

Keywords

  • Astrophysics - Instrumentation and Methods for Astrophysics
  • Astrophysics - High Energy Astrophysical Phenomena
  • General Relativity and Quantum Cosmology

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