English
Related papers

Related papers: Eccentric double white dwarfs as LISA sources in g…

200 papers

Neutron star-white dwarf (NS+WD) binaries offer a unique opportunity for studying NS-specific phenomena with gravitational waves. In this paper, we employ the binary population synthesis technique to study the Galactic population of NS+WDs…

High Energy Astrophysical Phenomena · Physics 2024-04-10 Valeriya Korol , Andrei P. Igoshev , Silvia Toonen , Nikolaos Karnesis , Christopher J. Moore , Eliot Finch , Antoine Klein

We consider a potentially new class of gravitational wave sources consisting of a white dwarf coalescing into a massive black hole in the mass range ~10^4-10^5\msun. These sources are of particular interest because the gravitational wave…

Astrophysics · Physics 2009-11-13 A. Sesana , A. Vecchio , M. Eracleous , S. Sigurdsson

Context: Globular clusters (GCs) around the Milky Way (MW) are expected to host white dwarf (WD) binaries emitting gravitational waves that could be detectable by LISA. Aims: Our aim is to investigate whether LISA can resolve WD binaries in…

General Relativity and Quantum Cosmology · Physics 2026-01-28 Wouter G. J. van Zeist , Gijs Nelemans , Shu-Xu Yi , Simon F. Portegies Zwart

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 natural outcomes of binary stellar evolution and key sources for future space-based gravitational wave (GW) observatories such as Laser Interferometer Space Antenna (LISA). We investigate how different…

Solar and Stellar Astrophysics · Physics 2026-04-24 Sreeta Roy , Surajit Kalita

The recent detections of GW150914 and GW151226 imply an abundance of stellar-mass binary-black-hole mergers in the local universe. While ground-based gravitational-wave detectors are limited to observing the final moments before a binary…

Astrophysics of Galaxies · Physics 2016-10-19 Katelyn Breivik , Carl L. Rodriguez , Shane L. Larson , Vassiliki Kalogera , Frederic A. Rasio

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

White dwarfs (WDs), the evolutionary endpoints of most stars, can form through both single-star and binary channels. While single-star evolutionary models enable reliable WD age estimates, binary evolution introduces interactions that can…

Galactic interacting double white dwarfs (DWD) are guaranteed gravitational wave (GW) sources for the GW detector LISA, with more than 10^4 binaries expected to be detected over the mission's lifetime. Part of this population is expected to…

Solar and Stellar Astrophysics · Physics 2015-05-28 Francesca Valsecchi , Will M. Farr , Bart Willems , Christopher . J. Deloye , Vassiliki Kalogera

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…

Planetary formation might occur at different stages of the stellar evolution of compact binaries. In recent years, the formation of second-generation planets has been tested in circumbinary discs formed by the ejection of stellar material…

Earth and Planetary Astrophysics · Physics 2026-02-04 Arianna Nigioni , Diego Turrini , Camilla Danielski , Danae Polychroni , John E. Chambers

Context: Studies of the Galactic population of double white dwarfs (DWDs) that would be detectable in gravitational waves by LISA have found differences in the number of predicted detectable DWDs of more than an order of magnitude,…

Solar and Stellar Astrophysics · Physics 2025-07-09 Wouter G. J. van Zeist , Jan van Roestel , Gijs Nelemans , Jan J. Eldridge , Valeriya Korol , Silvia Toonen

Double white dwarfs are important gravitational wave sources for LISA, as they are some of the most numerous compact systems in our universe. Here we consider finite-sized effects due to tidal interactions, as they are expected to have a…

High Energy Astrophysical Phenomena · Physics 2024-09-12 Grace Fiacco , Neil J. Cornish , Hang Yu

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

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 gigaelectronvolt $\gamma$-ray excess observed towards the Galactic centre remains unexplained. While dark matter annihilation has long been considered a leading explanation, an alternative scenario involving a large population of…

High Energy Astrophysical Phenomena · Physics 2026-01-23 Valeriya Korol , Andrei Igoshev

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

There could be a significant population of double white dwarf binaries (DWDs) inside globular clusters (GCs), however, these are often too faint to be individually observed. We have utilized a large number GC models evolved with the Monte…

Solar and Stellar Astrophysics · Physics 2025-01-06 Lucas Hellström , Mirosław Giersz , Arkadiusz Hypki , Diogo Belloni , Abbas Askar , Grzegorz Wiktorowicz

Short-period double white dwarf (DWD) binaries will be the most prolific source of gravitational waves (GWs) for the Laser Interferometer Space Antenna (LISA). DWDs with GW frequencies below $\sim1$ mHz will be the dominant contributor to a…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Sarah Thiele , Katelyn Breivik , Robyn E. Sanderson , Rodrigo Luger

We show that nearly half of all binary black hole (BBH) mergers dynamically assembled in globular clusters have measurable eccentricities ($e>0.01$) in the LISA band ($10^{-2}$ Hz), when General Relativistic corrections are properly…

High Energy Astrophysical Phenomena · Physics 2018-09-05 Johan Samsing , Daniel J. D'Orazio