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We discuss the prospects of eLISA for detecting gravitational waves (GWs) from Galactic binary black holes (BBHs) similar to GW150914. For a comoving merger rate that is consistent with current observation, eLISA is likely to identify at…

High Energy Astrophysical Phenomena · Physics 2016-04-20 Naoki Seto

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

LISA (Laser Interferometer Space Antenna) is a proposed space mission, which will use coherent laser beams exchanged between three remote spacecraft to detect and study low-frequency cosmic gravitational radiation. In the low-part of its…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Jeffrey A. Edlund , Massimo Tinto , Andrzej Królak , Gijs Nelemans

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

Ultracompact Galactic binary systems (UCBs) emit low-frequency gravitational waves (GWs). The emission of GWs is causing these systems to lose angular momentum, which is detectable by observing an orbital period decay.…

Many gravitational wave (GW) sources are expected to have non-negligible eccentricity in the millihertz band. These highly eccentric compact object binaries may commonly serve as a progenitor stage of GW mergers, particularly in dynamical…

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

Future searches for gravitational waves from space will be sensitive to double compact objects (DCOs) in our Milky Way. We present new simulations of the populations of double black holes (BHBHs), black hole neutron stars (BHNSs) and double…

High Energy Astrophysical Phenomena · Physics 2022-10-12 Tom Wagg , Floor S. Broekgaarden , Selma E. de Mink , Lieke A. C. van Son , Neige Frankel , Stephen Justham

First order phase transitions in the early universe could produce a gravitational-wave background that might be detectable by the Laser Interferometer Space Antenna (LISA). Such an observation would provide evidence for physics beyond the…

General Relativity and Quantum Cosmology · Physics 2023-03-01 Guillaume Boileau , Nelson Christensen , Chloe Gowling , Mark Hindmarsh , Renate Meyer

We present data analysis methods used in detection and the estimation of parameters of gravitational wave signals from the white dwarf binaries in the mock LISA data challenge. Our main focus is on the analysis of challenge 3.1, where the…

General Relativity and Quantum Cosmology · Physics 2010-04-23 Arkadiusz Błaut , Stanislav Babak , Andrzej Królak

TDI is essential in space-based GW detectors, effectively reducing laser noise and improving detection precision. Space-based GW detectors provide a unique opportunity to probe GW polarizations, including possible additional modes that may…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Jie Wu , Mengfei Sun , Jin Li

The discovery of the most compact detached white dwarf (WD) binary SDSS J065133.33+284423.3 has been discussed in terms of probing the tidal effects in white dwarfs. This system is also a verification source for the space-based…

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

I propose a method to detect planets around compact binaries that are strong sources of gravitational radiation. This approach is to measure gravitational-wave phase modulations induced by the planets, and its prospect is studied with a…

Astrophysics · Physics 2013-09-05 Naoki Seto

Interacting binaries containing white dwarfs can lead to a variety of outcomes that range from powerful thermonuclear explosions, which are important in the chemical evolution of galaxies and as cosmological distance estimators, to strong…

It is widely accepted that quite a number of double compact objects (DCOs) in the Milky Way can be identified by future space-based gravitational wave (GW) detectors, while systematic investigations on the detection of the GW sources in…

High Energy Astrophysical Phenomena · Physics 2023-07-18 Jian-Guo He , Yong Shao , Shi-Jie Gao , Xiang-Dong Li

Upcoming space-based gravitational-wave detectors will be sensitive to millions and resolve tens of thousands of stellar-mass binary systems at mHz frequencies. The vast majority of these will be double white dwarfs in our Galaxy. The…

High Energy Astrophysical Phenomena · Physics 2025-08-21 Riccardo Buscicchio , Antoine Klein , Valeriya Korol , Francesco Di Renzo , Christopher J. Moore , Davide Gerosa , Alessandro Carzaniga

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

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 Galactic population of close white dwarf binaries is expected to provide the largest number of gravitational wave sources for low frequency detectors such as the Laser Interferometer Space Antenna (LISA). Current data analysis…

Solar and Stellar Astrophysics · Physics 2011-09-26 Alexander Stroeer , Matthew Benacquista , Frank Ceballos

We reanalyze the detection possibilities for gravitational waves arising from cosmological first order phase transitions. We discuss the stochastic gravitational wave background corresponding to the three expected scenarios of phase…

Instrumentation and Methods for Astrophysics · Physics 2018-11-30 Margot Fitz Axen , Sharan Banagiri , Andrew Matas , Chiara Caprini , Vuk Mandic

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