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Related papers: F-statistic search for white-dwarf binaries in the…

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The use of a high precision pulsar timing array is a promising approach to detecting gravitational waves in the very low frequency regime ($10^{-6} -10^{-9}$ Hz) that is complementary to the ground-based efforts (e.g., LIGO, Virgo) at high…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Yan Wang , Soumya D. Mohanty , Fredrick A. Jenet

Milky Way dwarf satellites are unique objects that encode the early structure formation and therefore represent a window into the high redshift Universe. So far, their study was conducted using electromagnetic waves only. The future Laser…

Astrophysics of Galaxies · Physics 2020-09-11 V. Korol , S. Toonen , A. Klein , V. Belokurov , F. Vincenzo , R. Buscicchio , D. Gerosa , C. J. Moore , E. Roebber , E. M. Rossi , A. Vecchio

The space-based gravitational wave (GW) detector LISA is expected to observe signals from a large population of compact object binaries, comprised predominantly of white dwarfs, in the Milky Way. Resolving individual sources from this…

General Relativity and Quantum Cosmology · Physics 2021-07-14 Xue-Hao Zhang , Soumya D. Mohanty , Xiao-Bo Zou , Yu-Xiao Liu

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 space-borne gravitational wave detectors will observe a large population of double white dwarf binaries in the Milky Way. However, the search for double white dwarfs in the gravitational wave data will be time-consuming due to the large…

Astrophysics of Galaxies · Physics 2023-02-08 Yang Lu , En-Kun Li , Yi-Ming Hu , Jian-dong Zhang , Jianwei Mei

The LISA time-delay-interferometry responses to a gravitational-wave signal are rewritten in a form that accounts for the motion of the LISA constellation around the Sun; the responses are given in closed analytic forms valid for any…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Andrzej Krolak , Massimo Tinto , Michele Vallisneri

For the stochastic gravitational wave backgrounds (SGWBs) search centred at the milli-Hz band, the galactic foreground produced by white dwarf binaries (WDBs) within the Milky Way contaminates the extra-galactic signal severely. Because of…

General Relativity and Quantum Cosmology · Physics 2023-08-22 Shijie Lin , Bin Hu , Xue-Hao Zhang , Yu-Xiao Liu

Quickly localizing the identified white dwarf (WD) binaries is the basic requirement for the space-based gravitational wave (GW) detection. In fact, the amplitude of GW signals are modulated by the periodic motion of GW detectors on the…

General Relativity and Quantum Cosmology · Physics 2024-04-01 Pan Guo , Hong-Bo Jin , Cong-Feng Qiao , Yue-Liang Wu

In searches for gravitational waves emitted by known isolated pulsars in data collected by a detector one can assume that the frequency of the wave, its spindown parameters, and the position of the source in the sky are known, so the almost…

General Relativity and Quantum Cosmology · Physics 2015-05-18 Piotr Jaranowski , Andrzej Królak

Ultra-compact double white dwarfs (DWDs) represent key targets for multi-messenger astrophysics, as they may be observed both through gravitational waves and the electromagnetic (EM) spectrum. The future Laser Interferometer Space Antenna…

High Energy Astrophysical Phenomena · Physics 2025-09-23 Alice Perego , Astrid Lamberts , Mathias Schultheis , Nelson Christensen

A network of observable, macroscopic cosmic (super-)strings may have formed in the early universe. If so, the cusps that generically develop on cosmic-string loops emit bursts of gravitational radiation that could be detectable by both…

General Relativity and Quantum Cosmology · Physics 2014-11-20 Michael I. Cohen , Curt Cutler , Michele Vallisneri

The planned space-based gravitational wave detector, LISA, will provide a fundamentally new means of studying the orbital alignment of close white dwarf binaries. However, due to the inherent symmetry of their gravitational wave signals, a…

General Relativity and Quantum Cosmology · Physics 2025-08-13 Naoki Seto

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…

Stochastic gravitational waves (GW) associated with unresolved astrophysical sources at frequency bands of the ongoing GW interferometers LIGO/VIRGO and LISA are studied. We show that GW noise from rotating galactic neutron stars with low…

Astrophysics · Physics 2007-05-23 K. A. Postnov

Resolving individual gravitational waves from tens of millions of double white dwarf (DWD) binaries in the Milky Way is a challenge for future space-based gravitational wave detection programs. By using previous data to define the priors…

High Energy Astrophysical Phenomena · Physics 2023-09-13 Pin Gao , Xi-Long Fan , Zhou-Jian Cao , Xue-Hao Zhang

LISA is a planned space-based gravitational-wave (GW) detector that would be sensitive to waves from low-frequency sources, in the band of roughly $(0.03 - 0.1) {\rm mHz} \lesssim f \lesssim 0.1 {\rm Hz}$. This is expected to be an…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Scott A. Hughes

Context. Galactic binaries account for the loudest combined continuous gravitational wave signal in the Laser Interferometer Space Antenna (LISA) band, which spans a frequency range of 0.1 mHz to 1 Hz. Aims. A superposition of low frequency…

General Relativity and Quantum Cosmology · Physics 2023-10-18 Kristen Lackeos , Tyson B. Littenberg , Neil J. Cornish , James I. Thorpe

Potentially interesting gravitational-wave candidates (outliers) from the blind all-sky searches have to be confirmed or rejected by studying their origin and precisely estimating their parameters. We present the design and first results…

Instrumentation and Methods for Astrophysics · Physics 2018-10-05 Magdalena Sieniawska , Michał Bejger , Paweł Ciecieląg , Andrzej Królak

Using the proposed space gravitational wave detector LISA, we will be able to measure the geometrical configurations of $\sim 10^4$ close white dwarf binaries in our Galaxy. The obtained data will be an entirely new resource to examine the…

High Energy Astrophysical Phenomena · Physics 2024-10-31 Naoki Seto

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