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In the past few years, the detection of gravitational waves from compact binary coalescences with the Advanced LIGO and Advanced Virgo detectors has become routine. Future observatories will detect even larger numbers of gravitational-wave…

广义相对论与量子宇宙学 · 物理学 2021-08-11 Anuradha Samajdar , Justin Janquart , Chris Van Den Broeck , Tim Dietrich

We discuss the capability of a third-generation ground-based detector such as the Einstein Telescope (ET) to enhance our astrophysical knowledge through detections of gravitational waves emitted by binaries including intermediate-mass and…

宇宙学与河外天体物理 · 物理学 2015-03-13 Jonathan R. Gair , Ilya Mandel , M. Coleman Miller , Marta Volonteri

Einstein Telescope (ET) is a project of third generation gravitational wave (GW) detector with a planned sensitivity 10 times better than current detectors such as Advanced LIGO and Advanced Virgo. The high rate of GW signals expected in…

广义相对论与量子宇宙学 · 物理学 2025-01-13 Adrian Macquet , Tito Dal Canton , Tania Regimbau

A possible detection of sub-solar mass ultra-compact objects would lead to new perspectives on the existence of black holes that are not of astrophysical origin and/or pertain to formation scenarios of exotic ultra-compact objects. Both…

广义相对论与量子宇宙学 · 物理学 2022-02-23 Rafael C. Nunes

Astrophysical scenarios for the formation and evolution of intermediate-mass black holes (IMBHs) in the mass range $10^2 M_\odot \lesssim M \lesssim 10^6 M_\odot$ remain uncertain, but future ground-based gravitational-wave (GW)…

广义相对论与量子宇宙学 · 物理学 2024-11-12 Luca Reali , Roberto Cotesta , Andrea Antonelli , Konstantinos Kritos , Vladimir Strokov , Emanuele Berti

The Einstein Telescope (ET), a proposed next-generation gravitational wave (GW) observatory, will expand the reach of GW astronomy of stellar-mass compact object binaries to unprecedented distances, enhancing opportunities for…

Microlensing is one of the most promising methods of reconstructing the stellar mass function down to masses even below the hydrogen-burning limit. The fundamental limit to this technique is the presence of unresolved binaries, which can in…

天体物理学 · 物理学 2009-10-28 B. Scott Gaudi , Andrew Gould

Compact binary systems with black holes are the primary sources of interferometric advanced gravitational wave detectors. Astrophysical models suggest finite possibility of binary systems with appreciable non-zero eccentricity in the dense…

广义相对论与量子宇宙学 · 物理学 2021-12-15 Nirban Bose , Archana Pai

We demonstrate that the orbital eccentricity in compact binary mergers can be used to improve their sky localization using gravitational wave observations. Existing algorithms that conduct the localizations are not optimized for eccentric…

广义相对论与量子宇宙学 · 物理学 2026-02-10 Souradeep Pal

Binary neutron-star mergers will predominantly produce black-hole remnants of mass $\sim 3-4\,M_{\odot}$, thus populating the putative \emph{low mass gap} between neutron stars and stellar-mass black holes. If these low-mass black holes are…

广义相对论与量子宇宙学 · 物理学 2026-01-05 Anuradha Gupta , Davide Gerosa , K. G. Arun , Emanuele Berti , Will Farr , B. S. Sathyaprakash

Compact binary coalescences are a promising source of gravitational waves for second-generation interferometric gravitational-wave detectors such as advanced LIGO and advanced Virgo. While most binaries are expected to possess circular…

广义相对论与量子宇宙学 · 物理学 2015-06-23 Michael Coughlin , Patrick Meyers , Eric Thrane , Jialun Luo , Nelson Christensen

Combined gravitational-wave (GW) and electromagnetic (EM) observations of compact binary mergers should enable detailed studies of astrophysical processes in the strong-field gravity regime. Networks of GW interferometers have poor angular…

高能天体物理现象 · 物理学 2015-06-11 Samaya Nissanke , Mansi Kasliwal , Alexandra Georgieva

We investigate the prospects of observing residual eccentricity in a population of compact binaries by calculating the power in the eccentric harmonics, following the methodology in arXiv:2411.04187. Although most observed compact binary…

高能天体物理现象 · 物理学 2025-12-09 Mukesh Kumar Singh , Ben G. Patterson , Stephen Fairhurst

The Einstein Telescope (ET) is going to bring a revolution for the future of multi-messenger astrophysics. In order to detect the counterparts of binary neutron star (BNS) mergers at high redshift, the high-energy observations will play a…

We employ the method used by the GW-Universe Toolbox to generate a synthetic catalogue of detection of stellar mass binary black hole (BBH) mergers. We study advanced LIGO (aLIGO) and Einstein Telescope (ET) as two representatives for the…

高能天体物理现象 · 物理学 2022-08-03 Shu-Xu Yi , Fiorenzo Stoppa , Gijs Nelemans , Eric Cator

This work characterises the sky localization and early warning performance of networks of third generation gravitational wave detectors, consisting of different combinations of detectors with either the Einstein Telescope or Cosmic Explorer…

天体物理仪器与方法 · 物理学 2022-02-21 Yufeng Li , Ik Siong Heng , Man Leong Chan , Chris Messenger , Xilong Fan

Massive objects located between Earth and a compact binary merger can act as a magnifying glass improving the sensitivity of gravitational wave detectors to distant events. Depending on the parameters of the system, a point mass lens…

广义相对论与量子宇宙学 · 物理学 2023-10-27 Ruxandra Bondarescu , Helena Ubach , Oleg Bulashenko , Andrew P. Lundgren

We study the possibility of pre-merger localization of eccentric compact binary coalescences by second-generation gravitational-wave detector networks. Gravitational waves from eccentric binaries can be regarded as a sequence of pulses,…

高能天体物理现象 · 物理学 2017-12-27 Koutarou Kyutoku , Naoki Seto

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

We investigate the capability of Einstein Telescope to constrain the cosmological parameters of the non-flat $\Lambda$CDM cosmological model. Two types of mock datasets are considered depending on whether or not a short Gamma-Ray Burst is…

宇宙学与河外天体物理 · 物理学 2023-06-23 Matteo Califano , Ivan de Martino , Daniele Vernieri , Salvatore Capozziello