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We present a first-stage study of the effect of using knowledge from electromagnetic (EM) observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new Laser Interferometer Space…

天体物理仪器与方法 · 物理学 2015-06-05 Sweta Shah , Marc van der Sluys , Gijs Nelemans

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…

太阳与恒星天体物理 · 物理学 2015-06-22 Sweta Shah , Gijs Nelemans

Although the general theory of relativity (GR) predicts that gravitational waves (GWs) have exactly the same propagation velocity as electromagnetic (EM) waves, many theories of gravity beyond GR expect otherwise. Accurate measurement of…

广义相对论与量子宇宙学 · 物理学 2024-08-06 Tian-Yong Cao , Ankit Kumar , Shu-Xu Yi

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…

Accreting binary white dwarf systems are among the sources expected to emanate gravitational waves that the Laser Interferometer Space Antenna (LISA) will detect. We investigate how accurately the binary parameters may be measured from LISA…

高能天体物理现象 · 物理学 2024-07-04 Sophia Yi , Shu Yan Lau , Kent Yagi , Phil Arras

The gravitational waves (GWs) from a binary black hole (BBH) with masses between 10^4 and 10^7 Msun can be detected with the Laser Interferometer Space Antenna (LISA) once their orbital frequency exceeds 10^-4 - 10^-5 Hz. The binary…

高能天体物理现象 · 物理学 2017-07-19 Zoltán Haiman

Extreme mass-ratio inspirals (EMRIs), namely binary systems composed of a massive black hole and a compact stellar-mass object, are anticipated to be among the gravitational wave (GW) sources detected by the Laser Interferometer Space…

宇宙学与河外天体物理 · 物理学 2025-02-23 Chang Liu , Danny Laghi , Nicola Tamanini

The future space-based gravitational wave observatory, the Laser Interferometer Space Antenna, is expected to observe between 1-1000s extreme mass-ratio inspirals (EMRIs) per year. Due to the simultaneous presence of other gravitational…

广义相对论与量子宇宙学 · 物理学 2025-12-30 Sviatoslav Khukhlaev , Stanislav Babak

In the context of the future Laser Interferometer Space Antenna (LISA) mission, galactic binary systems of white dwarfs and neutron stars will represent the dominant source of Gravitational Waves (GWs) within the…

广义相对论与量子宇宙学 · 物理学 2022-11-28 Adrien Bourgoin , Christophe Le Poncin-Lafitte , Stéphane Mathis , Marie-Christine Angonin

In this follow-up paper, we continue our study of the effect of using knowledge from electromagnetic observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new \textit{Laser…

天体物理仪器与方法 · 物理学 2015-06-15 Sweta Shah , Gijs Nelemans , Marc van der Sluys

The cosmic distance scale is built on multiple different techniques for estimating distances in space that are often connected and dependent on multiple measurements and assumptions. Double white dwarf binaries (DWDs) are common objects and…

高能天体物理现象 · 物理学 2026-02-12 Yuetong Zhao , L. Hellström , Siqi Zhang , M. Giersz , A. Askar , Youjun Lu , Zhoujian Cao , D. Belloni , G. Wiktorowicz , M. Górski

The millihertz band is densely populated by continuous gravitational-wave signals from Galactic compact binaries, dominated by double white dwarfs (DWDs; binaries of two white dwarfs) with contributions from systems containing neutron stars…

We use population synthesis modelling to predict the gravitational wave (GW) signal that the Laser Interferometer Space Antenna (LISA) will detect from the Galactic population of compact binary systems. We implement a realistic star…

Wide, highly eccentric ($e>0.9$) compact binaries can naturally arise as progenitors of gravitational wave (GW) mergers. These systems are expected to have a significant population in the mHz band (e.g., $\sim 3-45$ detectable stellar-mass…

高能天体物理现象 · 物理学 2026-05-28 Zeyuan Xuan , Smadar Naoz , Alvin K. Y. Li , Bence Kocsis , Erik Petigura , Alan M. Knee , Jess McIver , Kyle Kremer , Will M. Farr

The Einstein Telescope (ET), a future third-generation gravitational wave detector will have detection sensitivity for gravitational wave signals down to 1 Hz. This improved low-frequency sensitivity of the ET will allow the observation of…

高能天体物理现象 · 物理学 2022-12-19 Neha Singh , Tomasz Bulik

Unlike gravitational waves from merging black holes and neutron stars that chirp significantly over the observational period of ground-based detectors, gravitational waves from binary white dwarfs are almost monochromatic. This makes it…

高能天体物理现象 · 物理学 2021-01-06 Anna Wolz , Kent Yagi , Nick Anderson , Andrew J. Taylor

Compressible, Riemann S-type ellipsoids can emit gravitational waves (GWs) with a chirp-like behavior (hereafter chirping ellipsoids, CELs). We show that the GW frequency-amplitude evolution of CELs (mass $\sim 1$~M$_\odot$, radius…

星系天体物理 · 物理学 2023-10-12 J. F. Rodriguez , J. A. Rueda , R. Ruffini , J. I. Zuluaga , J. M. Blanco-Iglesias , P. Loren-Aguilar

Galactic double white dwarf (DWD) binaries are among the guaranteed sources for the Laser Interferometer Space Antenna (LISA), an upcoming space-based gravitational wave (GW) detector. Most DWDs in the LISA band are far from merging and…

广义相对论与量子宇宙学 · 物理学 2026-01-26 Reza Ebadi , Vladimir Strokov , Erwin H. Tanin , Emanuele Berti , Ronald L. Walsworth

Theoretical studies in gravitational wave astronomy have mostly focused on the information that can be extracted from individual detections, such as the mass of a binary system and its location in space. Here we consider how the information…

广义相对论与量子宇宙学 · 物理学 2013-05-30 Matthew Adams , Neil Cornish , Tyson Littenberg

Detecting individual extreme-mass-ratio inspirals (EMRIs) is a major science goal of future space-based gravitational wave observatories such as Laser Interferometer Space Antenna (LISA) and TianQin. However, matched-filtering can be…

宇宙学与河外天体物理 · 物理学 2025-06-24 Lingyuan Ji , Liang Dai
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