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Recent studies have revealed the contribution of extragalactic DWD to the astrophysical SGWB could be detectable in the mHz regime by LISA. Conversely, the presence of this SGWB could hamper the detection of cosmological SGWB, which are one…

General Relativity and Quantum Cosmology · Physics 2025-11-05 Guillaume Boileau , Tristan Bruel , Alexandre Toubiana , Astrid Lamberts , Nelson Christensen

White dwarfs (WDs) and neutron stars (NSs) are among the most magnetized astrophysical objects in the universe, with magnetic fields that can reach up to $10^9\,\mathrm{G}$ for WDs and up to $10^{15}\,\mathrm{G}$ for NSs. The galaxy is…

General Relativity and Quantum Cosmology · Physics 2022-07-13 Adrien Bourgoin , Christophe Le Poncin-Lafitte , Stéphane Mathis , Marie-Christine Angonin

Gravitational waves (GWs) from the galactic double white dwarf (DWD) systems are one of the primary targets for upcoming space-based detectors. Due to their vast abundance and widespread distribution throughout the Galactic disk and bulge,…

Astrophysics of Galaxies · Physics 2026-04-16 Yan Sun , Yong Yuan , Minghui Du , Wen-Fan Feng , Xilong Fan , Peng Xu

The space-based gravitational wave (GW) detector, \emph{evolved Laser Interferometer Space Antenna} (eLISA) is expected to observe millions of compact Galactic binaries that populate our Milky Way. GW measurements obtained from the eLISA…

Solar and Stellar Astrophysics · Physics 2015-06-22 Sweta Shah , Gijs Nelemans

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

Over the next decade, third-generation interferometers and the space-based LISA mission will observe binaries in galactic centers involving supermassive black holes with millions of solar masses. More precise measurements of more extreme…

General Relativity and Quantum Cosmology · Physics 2023-08-09 Francisco Duque

Observations of binaries containing pairs of neutron stars using the upcoming space-based gravitational wave observatory, LISA, have the potential to improve our understanding of neutron star physics and binary evolution. In this work we…

High Energy Astrophysical Phenomena · Physics 2023-03-08 Anatole Storck , Ross Church

Studying our Galaxy, the Milky Way (MW), gives us a close-up view of the interplay between cosmology, dark matter, and galaxy formation. In the next decade our understanding of the MW's dynamics, stellar populations, and structure will…

The Laser Interferometer Space Antenna (LISA) will feature a prominent anisotropic astrophysical stochastic gravitational wave signal, arising from the tens of millions of unresolved mHz white dwarf binaries in the Milky Way: the Galactic…

Instrumentation and Methods for Astrophysics · Physics 2025-01-27 Alexander W. Criswell , Steven Rieck , Vuk Mandic

Future gravitational wave (GW) observations are capable of detecting millions of compact star binary mergers in extragalactic galaxies, with $1\%$ luminosity-distance ($D_L$) measurement accuracy and better than arcminute positioning…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-30 Pengjie Zhang

The LISA (Laser Interferometer Space Antenna) mission will observe in the low frequency band from 0.1 mHz to 1 Hz. In this regime, we expect the galactic binaries to be the dominant (by number) sources of gravitational waves signal.…

General Relativity and Quantum Cosmology · Physics 2022-11-15 Adrien Bourgoin , Etienne Savalle , Christophe Le Poncin-Lafitte , Stéphane Mathis , Marie-Christine Angonin , Antoine Strugarek

The Gravitational Wave (GW) universe contains a wealth of sources which, with the proper treatment, will open up the universe as never before. By observing massive black hole binaries to high redshifts, we should begin to explore the…

General Relativity and Quantum Cosmology · Physics 2015-06-22 Edward K. Porter

Galactic double white dwarfs will be prominent gravitational-wave sources for the Laser Interferometer Space Antenna (LISA). While previous studies have primarily focused on formation scenarios in which binaries form and evolve in…

We study the detection accuracy of double white dwarfs (DWDs), stellar-mass black hole binaries (SBHBs), light and heavy intermediate mass ratio inspirals (IMRIs), extreme mass ratio inspirals (EMRIs), massive black hole binaries (MBHBs),…

High Energy Astrophysical Phenomena · Physics 2024-12-02 Alejandro Torres-Orjuela

We discuss the stochastic background of gravitational waves from ultra compact neutron star-white dwarf (NS-WD) binaries at cosmological distances. Under the assumption that accreting neutron stars and donor white dwarf stars form most of…

Astrophysics · Physics 2009-11-10 Asantha Cooray

Gravitational wave (GW) astronomy has revolutionized our capacity to explore nature. The next generation of observatories, among which the space-borne detector Laser Interferometer Space Antenna LISA, is expected to yield orders of…

General Relativity and Quantum Cosmology · Physics 2024-12-06 Henri Inchauspé , Silvia Gasparotto , Diego Blas , Lavinia Heisenberg , Jann Zosso , Shubhanshu Tiwari

We analyse the energy spectral density properties of Gravitational waves from Galactic binary populations in the~\text{mHz} band targeted by the Laser Interferometer Space Antenna mission. Our analysis is based on combining BPASS with a…

Astrophysics of Galaxies · Physics 2025-10-15 Petra Tang , Renate Meyer , Jan Eldridge

LISA, the Laser Interferometer Space Antenna, will usher in a new era in gravitational-wave astronomy. As the first anticipated space-based gravitational-wave detector, it will expand our view to the millihertz gravitational-wave sky, where…

General Relativity and Quantum Cosmology · Physics 2026-05-04 LISA Consortium Waveform Working Group , Niayesh Afshordi , Sarp Akçay , Pau Amaro Seoane , Andrea Antonelli , Josu C. Aurrekoetxea , Leor Barack , Enrico Barausse , Robert Benkel , Laura Bernard , Sebastiano Bernuzzi , Emanuele Berti , Matteo Bonetti , Béatrice Bonga , Gabriele Bozzola , Richard Brito , Alessandra Buonanno , Alejandro Cárdenas-Avendaño , Marc Casals , David F. Chernoff , Alvin J. K. Chua , Katy Clough , Marta Colleoni , Geoffrey Compère , Mekhi Dhesi , Adrien Druart , Leanne Durkan , Guillaume Faye , Deborah Ferguson , Scott E. Field , William E. Gabella , Juan García-Bellido , Miguel Gracia-Linares , Davide Gerosa , Stephen R. Green , Maria Haney , Mark Hannam , Anna Heffernan , Tanja Hinderer , Thomas Helfer , Scott A. Hughes , Sascha Husa , Soichiro Isoyama , Michael L. Katz , Chris Kavanagh , Gaurav Khanna , Larry E. Kidder , Valeriya Korol , Lorenzo Küchler , Pablo Laguna , François Larrouturou , Alexandre Le Tiec , Benjamin Leather , Eugene A. Lim , Hyun Lim , Tyson B. Littenberg , Oliver Long , Carlos O. Lousto , Geoffrey Lovelace , Georgios Lukes-Gerakopoulos , Philip Lynch , Rodrigo P. Macedo , Charalampos Markakis , Elisa Maggio , Ilya Mandel , Andrea Maselli , Josh Mathews , Pierre Mourier , David Neilsen , Alessandro Nagar , David A. Nichols , Jan Novák , Maria Okounkova , Richard O'Shaughnessy , Naritaka Oshita , Conor O'Toole , Zhen Pan , Paolo Pani , George Pappas , Vasileios Paschalidis , Harald P. Pfeiffer , Lorenzo Pompili , Adam Pound , Geraint Pratten , Hannes R. Rüter , Milton Ruiz , Zeyd Sam , Laura Sberna , Stuart L. Shapiro , Deirdre M. Shoemaker , Carlos F. Sopuerta , Andrew Spiers , Hari Sundar , Nicola Tamanini , Jonathan E. Thompson , Alexandre Toubiana , Antonios Tsokaros , Samuel D. Upton , Maarten van de Meent , Daniele Vernieri , Jeremy M. Wachter , Niels Warburton , Barry Wardell , Helvi Witek , Vojtěch Witzany , Huan Yang , Miguel Zilhão , Angelica Albertini , K. G. Arun , Miguel Bezares , Alexander Bonilla , Christian Chapman-Bird , Bradley Cownden , Kevin Cunningham , Chris Devitt , Sam Dolan , Francisco Duque , Conor Dyson , Chris L. Fryer , Jonathan R. Gair , Bruno Giacomazzo , Priti Gupta , Wen-Biao Han , Roland Haas , Eric W. Hirschmann , E. A. Huerta , Philippe Jetzer , Bernard Kelly , Mohammed Khalil , Jack Lewis , Nicole Lloyd-Ronning , Sylvain Marsat , Germano Nardini , Jakob Neef , Adrian Ottewill , Christiana Pantelidou , Gabriel Andres Piovano , Jaime Redondo-Yuste , Laura Sagunski , Leo C. Stein , Viktor Skoupý , Ulrich Sperhake , Lorenzo Speri , Thomas F. M. Spieksma , Chris Stevens , David Trestini , Alex Vañó-Viñuales

Interacting white dwarf binary star systems, including helium cataclysmic variable (HeCV) systems, are expected to be strong sources of gravitational radiation, and should be detectable by proposed space-based laser interferometer…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Shane L. Larson , William A. Hiscock