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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

Gravitational radiation from the Galactic population of close white dwarf binaries (CWDBs) is expected to produce a confusion-limited signal at the lower end of the sensitivity band of the Laser Interferometer Space Antenna (LISA). The…

Astrophysics · Physics 2009-11-10 M. Benacquista , K. Holley-Bockelmann

The properties of the population of merging binary black holes encode some of the uncertain physics of the evolution of massive stars in binaries. The binary black hole merger rate and chirp mass distribution are being measured by…

Compact-object binaries including a white dwarf component are unique among gravitational-wave sources because their evolution is governed not just by general relativity and tides, but also by mass transfer. While the black hole and neutron…

High Energy Astrophysical Phenomena · Physics 2023-06-07 Sylvia Biscoveanu , Kyle Kremer , Eric Thrane

Ultracompact Galactic binaries with orbital periods below an hour are among the strongest persistent gravitational-wave (GW) sources in the mHz band and will constitute the dominant population detected by the Laser Interferometer Space…

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

LISA will be able to detect gravitational waves from inspiralling massive black hole (MBH) binaries out to redshifts z > 10. If the binary masses and luminosity distances can be extracted from the LISA data stream, this information can be…

Astrophysics · Physics 2009-11-10 J. Baker , J. Centrella

LISA will detect $\sim \! 10^4$ Galactic binaries, the majority being double white dwarfs. However, approximately $\sim \! 1 \textrm{--} 5 \%$ of these systems will contain neutron stars which, if they can be correctly identified, will…

High Energy Astrophysical Phenomena · Physics 2024-06-11 Christopher J. Moore , Eliot Finch , Antoine Klein , Valeriya Korol , Nhat Pham , Daniel Robins

From prolonged X-ray and optical data of the ultra-compact binary HM Cancri, two groups recently measured the second derivative of its orbital frequency. The space gravitational wave (GW) detector LISA will detect $\sim10^4$ Galactic…

General Relativity and Quantum Cosmology · Physics 2023-08-09 Naoki Seto

We determine the main properties of the Galactic binary black hole (BBH) population detectable by LISA and strategies to distinguish them from the much more numerous white dwarf binaries. We simulate BBH populations based on cosmological…

Astrophysics of Galaxies · Physics 2020-03-18 Alberto Sesana , Astrid Lamberts , Antoine Petiteau

We use the StarTrack stellar population synthesis code to analyze properties of double compact object binaries as sources of gravitational waves. Since the distribution of lifetimes of these objects extends up to the Hubble time we conclude…

Astrophysics · Physics 2009-11-10 T. Bulik , K. Belczynski , B. Rudak

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

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,…

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

We estimate the upper frequency cutoff of the galactic white dwarf binaries gravitational wave background that will be observable by the LISA detector. This is done by including the modulation of the gravitational wave signal due the motion…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Andrzej Krolak , Massimo Tinto

Stellar-mass black hole binaries (SBHBs), like those currently being detected with the ground-based gravitational-wave (GW) observatories LIGO and Virgo, are also an anticipated GW source for LISA. LISA will observe them during the early…

General Relativity and Quantum Cosmology · Physics 2021-01-07 Alexandre Toubiana , Sylvain Marsat , Stanislav Babak , John Baker , Tito Dal Canton

The recent evidence of a stochastic background of gravitational waves in the nHz band by pulsar-timing array (PTA) experiments has shed new light on the formation and evolution of massive black hole binaries with masses $\sim 10^8$--$10^9…

Astrophysics of Galaxies · Physics 2023-11-27 Enrico Barausse , Kallol Dey , Marco Crisostomi , Akshay Panayada , Sylvain Marsat , Soumen Basak

We estimate the properties of the double neutron star (DNS) population that will be observable by the planned space-based interferometer LISA. By following the gravitational radiation driven evolution of DNSs generated from rapid population…

High Energy Astrophysical Phenomena · Physics 2020-01-22 Mike Y. M. Lau , Ilya Mandel , Alejandro Vigna-Gómez , Coenraad J. Neijssel , Simon Stevenson , Alberto Sesana

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

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
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