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Related papers: Potential Tertiary Effects on the LISA Verificatio…

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Some binary black hole systems potentially observable in LISA could be in orbit around a supermassive black hole (SMBH). The imprint of relativistic three-body effects on the waveform of the binary can be used to estimate all the parameters…

General Relativity and Quantum Cosmology · Physics 2023-07-19 Adrien Kuntz , Konstantin Leyde

The Legacy Survey of Space and Time (LSST) by the Vera C. Rubin Observatory is expected to discover tens of millions of quasars. A significant fraction of these could be powered by coalescing massive black hole (MBH) binaries, since many…

High Energy Astrophysical Phenomena · Physics 2021-07-14 Chengcheng Xin , Zoltan Haiman

Some BL Lacertae objects show a periodic behaviour in their light curves that is often attributed to the orbital motion of a central binary black hole system. On this basis, and assuming a circular orbit, Rieger and Mannheim have recently…

Astrophysics · Physics 2009-11-07 F. De Paolis , G. Ingrosso , A. A. Nucita

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

The upcoming Laser Interferometer Space Antenna (LISA) will detect a large gravitational-wave foreground of Galactic white dwarf binaries. These sources are exceptional for their probable detection at electromagnetic wavelengths, some long…

Gravitational lensing of gravitational waves (GWs) is a powerful probe of the matter distribution in the universe. Here we revisit the wave-optics effects induced by dark matter (DM) halos on the GW signals of merging massive black hole…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-23 Zucheng Gao , Xian Chen , Yi-Ming Hu , Jian-Dong Zhang , Shunjia Huang

II UMa is a late F-type (F5) contact binary with a close-in tertiary and a distant visual companion. According to the four-color ($B$ $V$ $R_c$ $I_c$) light curves' solutions of II UMa, it is a high fill-out (f=$86.6\,\%$) and low mass…

Solar and Stellar Astrophysics · Physics 2016-08-04 X. Zhou , S. -B. Qian , J. Zhang , B. Zhang , J. Kreiner

Third generation ground-based interferometers as well as the planned space-based interferometer LISA are expected to detect a plethora of gravitational wave signals from coalescing binaries at cosmological distance. The emitted…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-01 Camille Bonvin , Chiara Caprini , Riccardo Sturani , Nicola Tamanini

Galactic binaries with orbital periods less than $\approx$1 hr are strong gravitational wave sources in the mHz regime, ideal for the Laser Interferometer Space Antenna (LISA). In fact, theory predicts that \emph{LISA} will resolve tens of…

Solar and Stellar Astrophysics · Physics 2019-04-04 Thomas Kupfer , Mukremin Kilic , Tom Maccarone , Eric Burns , Chris L. Fryer , Colleen A. Wilson-Hodge

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

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

Compact Galactic binary systems with orbital periods of a few hours are expected to be detected in gravitational waves (GW) by LISA or a similar mission. At present, these so-called verification binaries provide predictions for GW frequency…

A significant fraction of stars are members of gravitationally bound hierarchies containing three or more components. Almost all low mass stars in binaries with periods shorter three days are part of a hierarchical system. We therefore…

General Relativity and Quantum Cosmology · Physics 2018-09-19 Travis Robson , Neil J. Cornish , Nicola Tamanini , 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

The Laser Interferometer Space Antenna (LISA) is expected to detect close white dwarf binaries (CWDBs) through their gravitational radiation. Around 3000 binaries will be spectrally resolved at frequencies > 3 mHz, and their positions on…

Astrophysics · Physics 2009-11-10 Asantha Cooray , Alison J. Farmer , Naoki Seto

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,…

Ultracompact binaries with orbital periods less than a few hours will dominate the gravitational wave signal in the mHz regime. Until recently, 10 systems were expected have a predicted gravitational wave signal strong enough to be…

Solar and Stellar Astrophysics · Physics 2018-06-27 T. Kupfer , V. Korol , S. Shah , G. Nelemans , T. R. Marsh , G. Ramsay , P. J. Groot , D. T. H Steeghs , E. M. Rossi

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…

The energy carried in the gravitational wave signal from an eccentric binary is spread across several harmonics of the orbital frequency. The inclusion of the harmonics in the analysis of the gravitational wave signal increases the…

Astrophysics · Physics 2009-11-06 M. Benacquista

The Laser Interferometer Space Antenna (LISA) will provide the largest observational sample of (interacting) double white dwarf binaries, whose evolution is driven by radiation reaction and other effects, such as tides and mass transfer. We…

Astrophysics · Physics 2009-11-13 A. Stroeer , A. Vecchio , G. Nelemans