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Using a comprehensive binary population synthesis scheme, we investigate the statistical properties of a sample of eclipsing binaries that is detectable by an idealised extrasolar planet transit survey with specifications broadly similar to…

天体物理学 · 物理学 2009-11-11 B. Willems , U. Kolb , S. Justham

Rapidly growing catalogs of compact binary mergers from advanced gravitational-wave detectors allow us to explore the astrophysics of massive stellar binaries. Merger observations can constrain the uncertain parameters that describe the…

太阳与恒星天体物理 · 物理学 2023-06-28 Jeff Riley , Ilya Mandel

Gravitational-wave astronomy provides a unique new way to study the expansion history of the Universe. In this work, we investigate the impact future gravitational-wave observatories will have on cosmology. Third-generation observatories…

宇宙学与河外天体物理 · 物理学 2021-03-03 Zhi-Qiang You , Xing-Jiang Zhu , Gregory Ashton , Eric Thrane , Zong-Hong Zhu

EP J171159.4-333253 is a new neutron-star low-mass X-ray binary discovered in outburst by the Einstein Probe (EP) on 2025 June 23, exhibiting clocked type-I X-ray bursts, eclipses and dips. In this paper, we report on the results of the…

The recent advanced LIGO detections of gravitational waves from merging binary black holes enhance the prospect of exploring binary evolution via gravitational-wave observations of a population of compact-object binaries. In the face of…

高能天体物理现象 · 物理学 2017-01-25 Ilya Mandel , Will M. Farr , Andrea Colonna , Simon Stevenson , Peter Tiňo , John Veitch

Detection of primordial gravitational-wave backgrounds generated during the early universe phase transitions is a key science goal for future ground-based detectors. The rate of compact binary mergers is so large that their cosmological…

广义相对论与量子宇宙学 · 物理学 2020-07-22 Surabhi Sachdev , Tania Regimbau , B. S. Sathyaprakash

The vast majority of binaries containing a compact object and a regular star spend most of their time in a quiescent state where no strong interactions occur between components. Detection of these binaries is extremely challenging and only…

高能天体物理现象 · 物理学 2021-08-18 Grzegorz Wiktorowicz , Matthew Middleton , Norman Khan , Adam Ingram , Poshak Gandhi , Hugh Dickinson

The Einstein Telescope (ET), a proposed European ground-based gravitational-wave detector of third-generation, is an evolution of second-generation detectors such as Advanced LIGO, Advanced Virgo, and KAGRA which could be operating in the…

Identifying the host galaxy of a binary black hole (BBH) merger detected via gravitational waves (GWs) remains a challenge due to the absence of electromagnetic counterparts and the large localization volumes produced by current-generation…

高能天体物理现象 · 物理学 2026-02-10 Sumedha Biswas , Andrew Levan , Peter G. Jonker , Kendall Ackley , Gregory Ashton , Nikhil Sarin

Gravitational-wave observations of compact binaries have the potential to uncover the distribution of masses and angular momenta of black holes and neutron stars in the universe. The binary components' physical parameters can be inferred…

广义相对论与量子宇宙学 · 物理学 2015-06-12 Mark Hannam , Duncan A. Brown , Stephen Fairhurst , Chris L. Fryer , Ian W. Harry

In addition to constructing a Galactic matter mass function free from the bias induced by the hydrogen-burning limit, gravitational microlensing allows one to construct a mass function which is less affected by the problem of unresolved…

天体物理学 · 物理学 2009-10-31 Kyongae Chang , Cheongho Han

The discovery of gravitational waves from merging compact objects has opened up a new window to the Universe. Planned third-generation gravitational-wave detectors such as Einstein Telescope will potentially deliver hundreds of such events…

高能天体物理现象 · 物理学 2018-12-19 Sarp Akcay , Morgan Fraser , Antonio Martin-Carrillo

[Abridged] We investigate the detectability of the gravitational stochastic background produced by cosmological sources in scenarios of structure formation. The model considers the coalescences of three kind of binary systems: double…

宇宙学与河外天体物理 · 物理学 2015-06-11 Oswaldo D. Miranda

We compute and present the distribution in mass of single and binary neutron stars, strange stars, and black holes. The calculations were performed using a stellar population synthesis code. We follow evolution of massive single stars as…

天体物理学 · 物理学 2007-05-23 Krzysztof Belczynski , Tomasz Bulik , Wlodzimierz Kluzniak

Third-generation (3G) gravitational wave detectors, in particular Einstein Telescope (ET) and Cosmic Explorer (CE), will explore unprecedented cosmic volumes in search for compact binary mergers, providing us with tens of thousands of…

宇宙学与河外天体物理 · 物理学 2023-09-06 Niccolò Muttoni , Danny Laghi , Nicola Tamanini , Sylvain Marsat , David Izquierdo-Villalba

Next-generation gravitational-wave observatories will reach farther into the universe than currently possible, revealing black-hole mergers from early stellar binary systems such as Population III stars, whose properties are currently…

广义相对论与量子宇宙学 · 物理学 2025-05-13 Cailin Plunkett , Matthew Mould , Salvatore Vitale

It was recently suggested that the merger of $\sim30\,M_\odot$ primordial black holes (PBHs) may provide a significant number of events in gravitational-wave observatories over the next decade, if they make up an appreciable fraction of the…

The recent discovery of the gravitational wave source GW150914 has revealed a coalescing binary black hole (BBH) with masses of $\sim 30~M_\odot$. Previous proposals for the origin of such a massive binary include Population III (PopIII)…

星系天体物理 · 物理学 2016-07-27 Kohei Inayoshi , Kazumi Kashiyama , Eli Visbal , Zoltan Haiman

On August 14, 2019, the LIGO and Virgo detectors observed GW190814, a gravitational-wave signal originating from the merger of a $\simeq 23 M_\odot$ black hole with a $\simeq 2.6 M_\odot$ compact object. GW190814's compact-binary source is…

高能天体物理现象 · 物理学 2020-08-07 Michael Zevin , Mario Spera , Christopher P. L. Berry , Vicky Kalogera

Binary black holes (BBHs) born from the evolution of Population III (Pop. III) stars are one of the main high-redshift targets for next-generation ground-based gravitational-wave (GW) detectors. Their predicted initial mass function and…