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The upcoming LISA mission offers the unique opportunity to study the Milky Way through gravitational wave radiation from Galactic binaries. Among the variety of Galactic gravitational wave sources, LISA is expected to individually resolve…

Astrophysics of Galaxies · Physics 2019-02-26 Valeriya Korol , Elena M. Rossi , Enrico Barausse

Milky Way dwarf satellites are unique objects that encode the early structure formation and therefore represent a window into the high redshift Universe. So far, their study was conducted using electromagnetic waves only. The future Laser…

Astrophysics of Galaxies · Physics 2020-09-11 V. Korol , S. Toonen , A. Klein , V. Belokurov , F. Vincenzo , R. Buscicchio , D. Gerosa , C. J. Moore , E. Roebber , E. M. Rossi , A. Vecchio

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

Future gravitational wave detectors, such as the Laser Interferometer Space Antenna (\textit{LISA}), will be able to resolve a significant number of the ultra compact stellar-mass binaries in our own Galaxy and its neighborhood. These will…

Astrophysics of Galaxies · Physics 2022-12-21 Maria Georgousi , Nikolaos Karnesis , Valeriya Korol , Mauro Pieroni , Nikolaos Stergioulas

Double white dwarf (DWD) binaries are expected to be very common in the Milky Way, but their intrinsic faintness challenges the detection of these systems. Currently, only a few tens of detached DWDs are know. Such systems offer the best…

High Energy Astrophysical Phenomena · Physics 2017-07-26 Valeriya Korol , Elena M. Rossi , Paul J. Groot , Gijs Nelemans , Silvia Toonen , Anthony G. A. Brown

The Laser Interferometer Space Antenna (LISA) will enable Galactic gravitational wave (GW) astronomy by individually resolving $ > 10^4$ signals from double white dwarf (DWD) binaries throughout the Milky Way. In this work we assess for the…

Astrophysics of Galaxies · Physics 2025-10-03 Maite J. C. Wilhelm , Valeriya Korol , Elena M. Rossi , Elena D'Onghia

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

Short-period (P<1 hour) white dwarf binaries will be the most numerous sources for the space-based gravitational wave detector LISA. Based on thousands of resolved systems, we will be able to constrain binary evolution and provide a new map…

High Energy Astrophysical Phenomena · Physics 2019-10-16 Astrid Lamberts , Sarah Blunt , Tyson Littenberg , Shea Garrison-Kimmel , Thomas Kupfer , Robyn Sanderson

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

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

Resolving individual gravitational waves from tens of millions of double white dwarf (DWD) binaries in the Milky Way is a challenge for future space-based gravitational wave detection programs. By using previous data to define the priors…

High Energy Astrophysical Phenomena · Physics 2023-09-13 Pin Gao , Xi-Long Fan , Zhou-Jian Cao , Xue-Hao Zhang

The Galaxy is suspected to contain hundreds of millions of binary white dwarf systems, a large fraction of which will have sufficiently small orbital period to emit gravitational radiation in band for space-based gravitational wave…

General Relativity and Quantum Cosmology · Physics 2013-05-29 Tyson B. Littenberg

Current gravitational wave detectors are sensitive to coalescing black holes and neutron stars. However, double white dwarfs (DWDs) have long been recognized as promising sources of gravitational waves, and upcoming detectors like LISA will…

Double white dwarfs (DWDs) will be the most numerous gravitational-wave (GW) sources for the Laser Interferometer Space Antenna (LISA). Most of the Galactic DWDs will be unresolved and will superpose to form a confusion noise foreground,…

Realistic models of the Galactic double white dwarf (DWD) population are crucial for testing and quantitatively defining the science objectives of the Laser Interferometer Space Antenna (LISA), a future European Space Agency's…

High Energy Astrophysical Phenomena · Physics 2022-03-23 Valeriya Korol , Na'ama Hallakoun , Silvia Toonen , Nikolaos Karnesis

One of the primary sources of gravitational waves (GWs) anticipated to be detected by the Laser Interferometer Space Antenna (LISA) are Galactic double white dwarf binaries (DWDs). However, most of these binaries will be unresolved, and…

Astrophysics of Galaxies · Physics 2025-06-02 Federico Pozzoli , Riccardo Buscicchio , Antoine Klein , Valeriya Korol , Alberto Sesana , Francesco Haardt

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

Close pairs of white dwarfs are potential progenitors of Type~Ia supernovae and they are common, with of order 100 -- 300 million in the Galaxy. As such they will be significant, probably dominant, sources of the gravitational waves…

Solar and Stellar Astrophysics · Physics 2015-05-27 T. R. Marsh

A large number of galactic binary systems emit gravitational waves (GW) continuously with frequencies below $\sim$10 mHz. The LISA mission could identify tens of thousands of binaries over years of observation and will be subject to the…

General Relativity and Quantum Cosmology · Physics 2023-05-26 Gang Wang , Zhen Yan , Bin Hu , Wei-Tou Ni

The population of Milky Way satellite galaxies is of great interest for cosmology, fundamental physics, and astrophysics. They represent the faint end of the galaxy luminosity function, are the most dark-matter dominated objects in the…

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