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The upcoming LISA mission is the only experiment that will allow us to study the Milky Way's structure using gravitational wave signals from Galactic double white dwarfs (DWDs). The total number of expected detections exceeds $10^5$.…

Astrophysics of Galaxies · Physics 2018-10-10 Valeriya Korol , Elena Maria Rossi , Enrico Barausse

In the coming decade, the millihertz gravitational wave observatory LISA will provide the best constraints yet on the tens of thousands of close white dwarf binaries in the Milky Way, yielding unprecedented insights into the most abundant…

Solar and Stellar Astrophysics · Physics 2026-05-08 Kyle Kremer , Katelyn Breivik , Claire S. Ye

Detached double white dwarf (DWD) binaries are one of the main science case for the Laser Interferometer Space Antenna (LISA). As the most numerous LISA sources, they will provide important contributions towards understanding binary…

High Energy Astrophysical Phenomena · Physics 2018-10-24 Valeriya Korol , Orlin Koop , Elena M. Rossi

Using the proposed space gravitational wave detector LISA, we will be able to measure the geometrical configurations of $\sim 10^4$ close white dwarf binaries in our Galaxy. The obtained data will be an entirely new resource to examine the…

High Energy Astrophysical Phenomena · Physics 2024-10-31 Naoki Seto

White dwarf stars are a well-established tool for studying Galactic stellar populations. Two white dwarfs in a tight binary system offer us an additional messenger - gravitational waves - for exploring the Milky Way and its immediate…

Astrophysics of Galaxies · Physics 2021-02-05 Valeriya Korol , Vasily Belokurov , Christopher J. Moore , Silvia Toonen

Ultra-compact double white dwarfs (DWDs) represent key targets for multi-messenger astrophysics, as they may be observed both through gravitational waves and the electromagnetic (EM) spectrum. The future Laser Interferometer Space Antenna…

High Energy Astrophysical Phenomena · Physics 2025-09-23 Alice Perego , Astrid Lamberts , Mathias Schultheis , Nelson Christensen

Double white dwarfs are expected to be a source of confusion-limited noise for the future gravitational wave observatory LISA. In a specific frequency range, this 'foreground noise' is predicted to rise above the instrumental noise and…

Astrophysics · Physics 2014-11-18 A. J. Ruiter , K. Belczynski , M. Benacquista , S. L. Larson , G. Williams

Galactic white dwarf binaries (WDBs) and black hole binaries (BHBs) will be gravitational wave (GW) sources for LISA. Their detection will provide insights into binary evolution and the evolution of our Galaxy through cosmic history. Here,…

Astrophysics of Galaxies · Physics 2024-10-24 Petra Tang , Jan Eldridge , Renate Meyer , Astrid Lamberts , Guillaume Boileau , Wouter van Zeist

We determine the main properties of the Galactic binary black hole (BBH) population detectable by LISA and strategies to distinguish them from the much more numerous white dwarf binaries. We simulate BBH populations based on cosmological…

Astrophysics of Galaxies · Physics 2020-03-18 Alberto Sesana , Astrid Lamberts , Antoine Petiteau

Compact Galactic binaries where at least one member is a white dwarf or neutron star constitute the majority of individually detectable sources for future low-frequency space-based gravitational-wave (GW) observatories; they also form an…

Astrophysics of Galaxies · Physics 2015-06-03 Samaya Nissanke , Michele Vallisneri , Gijs Nelemans , Thomas A. Prince

Galactic double white dwarf (DWD) binaries are among the guaranteed sources for the Laser Interferometer Space Antenna (LISA), an upcoming space-based gravitational wave (GW) detector. Most DWDs in the LISA band are far from merging and…

General Relativity and Quantum Cosmology · Physics 2026-01-26 Reza Ebadi , Vladimir Strokov , Erwin H. Tanin , Emanuele Berti , Ronald L. Walsworth

The space-based gravitational wave (GW) detector LISA is expected to observe signals from a large population of compact object binaries, comprised predominantly of white dwarfs, in the Milky Way. Resolving individual sources from this…

General Relativity and Quantum Cosmology · Physics 2021-07-14 Xue-Hao Zhang , Soumya D. Mohanty , Xiao-Bo Zou , Yu-Xiao Liu

Laser Interferometer Space Antenna (LISA) will observe gravitational waves from galactic binaries (GBs) of white dwarfs or neutron stars. Some of these objects are among the most magnetic astrophysical objects in the Universe. Magnetism, by…

Within its observational band the Laser Interferometer Space Antenna, LISA, will simultaneously observe orbital modulated waveforms from Galactic white dwarf binaries, a binary black hole produced gravitational-wave background, and…

General Relativity and Quantum Cosmology · Physics 2021-10-08 Guillaume Boileau , Astrid Lamberts , Nelson Christensen , Neil J. Cornish , Renate Meyer

The dynamical formation channels of gravitational wave (GW) sources typically involve a stage when the compact object binary source interacts with the environment, which may excite its eccentricity, yielding efficient GW emission. For the…

High Energy Astrophysical Phenomena · Physics 2026-05-28 Zeyuan Xuan , Smadar Naoz , Bence Kocsis , Erez Michaely

The Laser Interferometer Space Antenna (LISA) is expected to detect N ~ 22 [x10^(+/- 1)] close white dwarf binaries in the Large Magellanic Cloud (LMC) through their gravitational radiation with signal-to-noise ratios greater than 10 in…

Astrophysics · Physics 2009-11-10 Asantha Cooray , Naoki Seto

Gravitational radiation from the galactic population of white dwarf binaries is expected to produce a background signal in the LISA frequency band. At frequencies below 1 mHz, this signal is expected to be confusion-limited and has been…

General Relativity and Quantum Cosmology · Physics 2009-11-10 M. J. Benacquista , J. DeGoes , D. Lunder

The Laser Interferometer Space Antenna (LISA) will open a new observational window in the millihertz gravitational-wave band, enabling the detection of tens of thousands of compact stellar remnant binaries across the Milky Way. Most of…

High Energy Astrophysical Phenomena · Physics 2026-03-09 Irwin Khai Cheng Tay , Valeriya Korol , Thibault Lechien

We study the evolution and gravitational wave emission of white dwarf -- black hole accreting binaries with a semi-analytical model. These systems will evolve across the mHz gravitational wave frequency band and potentially be detected by…

Solar and Stellar Astrophysics · Physics 2021-03-15 Laura Sberna , Alexandre Toubiana , M. Coleman Miller

The millihertz band is densely populated by continuous gravitational-wave signals from Galactic compact binaries, dominated by double white dwarfs (DWDs; binaries of two white dwarfs) with contributions from systems containing neutron stars…