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Two of the most rapidly growing observables in cosmology and astrophysics are gravitational waves (GW) and the neutral hydrogen (HI) distribution. In this work, we investigate the cross-correlation between resolved gravitational wave…

宇宙学与河外天体物理 · 物理学 2022-01-11 Giulio Scelfo , Marta Spinelli , Alvise Raccanelli , Lumen Boco , Andrea Lapi , Matteo Viel

The Advanced LIGO and Virgo gravitational wave observatories have opened a new window with which to study the inspiral and mergers of binary compact objects. These observations are most powerful when coordinated with multi-messenger…

广义相对论与量子宇宙学 · 物理学 2021-10-29 Zhi-Qiang You , Gregory Ashton , Xing-Jiang Zhu , Eric Thrane , Zong-Hong Zhu

Stellar mass can enhance the ranking of potential hosts for compact binary coalescences identified by ground-based gravitational-wave detectors within large localisation areas containing even thousands of galaxies. Despite its benefits,…

星系天体物理 · 物理学 2025-03-27 M. Pálfi , G. Dálya , P. Raffai

The detection of GW170817 and the measurement of its redshift from the associated electromagnetic counterpart provided the first gravitational wave determination of the Hubble constant ($H_0$), demonstrating the potential power of…

宇宙学与河外天体物理 · 物理学 2025-01-28 Alexandra G. Hanselman , Aditya Vijaykumar , Maya Fishbach , Daniel E. Holz

The simultaneous detection of electromagnetic and gravitational waves from the coalescence of two neutron stars (GW170817 and GRB170817A) has ushered in a new era of "multi-messenger" astronomy, with electromagnetic detections spanning from…

高能天体物理现象 · 物理学 2020-06-10 Mouza Almualla , Michael W. Coughlin , Shreya Anand , Khalid Alqassimi , Nidhal Guessoum , Leo P. Singer

We investigate the merging rates of compact binaries in galaxies, and the related detection rate of gravitational wave (GW) events with AdvLIGO/Virgo and with the Einstein Telescope. To this purpose, we rely on three basic ingredients: (i)…

星系天体物理 · 物理学 2019-09-04 L. Boco , A. Lapi , S. Goswami , F. Perrotta , C. Baccigalupi , L. Danese

During the next decade, gravitational waves will be observed from hundreds of binary inspiral events. When the redshifts of the host galaxies are known, these events can be used as `standard sirens', sensitive to the expansion rate of the…

In a recent paper we have deduced the basic equations that predict the emission of gravitational waves (GW) according to the Einstein gravitation theory. In a subsequent paper these equations have been used to calculate the luminosities and…

广义相对论与量子宇宙学 · 物理学 2010-04-15 M. Cattani

Gravitational Waves (GWs) provide a unique way to explore our Universe. The ongoing ground-based detectors, e.g., LIGO, Virgo, and KAGRA, and the upcoming next-generation detectors, e.g., Cosmic Explorer and Einstein Telescope, as well as…

太阳与恒星天体物理 · 物理学 2024-04-02 Zhenwei Li , Xuefei Chen

Binary neutron stars are among the most promising candidates for joint gravitational-wave and electromagnetic astronomy. The goal of this work is to investigate the strategy of using gravitational wave sky-localizations for binary neutron…

天体物理仪器与方法 · 物理学 2016-08-03 Shaon Ghosh , Steven Bloemen , Gijs Nelemans , Paul J. Groot , Larry R. Price

Gravitational waves (GW) can be employed as standard sirens that will soon measure the Hubble constant with sufficient precision to weigh in on the $\sim 5\sigma$ Hubble tension. Most GW sources will have no identified electromagnetic…

宇宙学与河外天体物理 · 物理学 2022-08-16 Emery Trott , Dragan Huterer

Strong lensing of gravitational waves (GWs) is attracting growing attention of the community. The event rates of lensed GWs by galaxies were predicted in numerous papers, which used some approximations to evaluate the GW strains detectable…

星系天体物理 · 物理学 2021-11-24 Lilan Yang , Shichao Wu , Kai Liao , Xuheng Ding , Zhiqiang You , Zhoujian Cao , Marek Biesiada , Zong-Hong Zhu

We present the astrophysical science case for a space-based, decihertz gravitational-wave (GW) detector. We particularly highlight an ability to infer a source's sky location, both when combined with a network of ground-based detectors to…

广义相对论与量子宇宙学 · 物理学 2020-08-12 Kevin A. Kuns , Hang Yu , Yanbei Chen , Rana X Adhikari

A successful experiment combining emission and reception of gravitational waves (GWs) would constitute a premiere of gravity control. However, such experiments manipulating gravity would require to compactly store large amounts of energy…

广义相对论与量子宇宙学 · 物理学 2021-08-24 A. Füzfa

Gravitational wave (GW) astronomy offers the potential to probe the wave-optics regime of gravitational lensing. Wave optics (WO) effects are relevant at low frequencies, when the wavelength is comparable to the characteristic lensing time…

广义相对论与量子宇宙学 · 物理学 2023-09-06 Giovanni Tambalo , Miguel Zumalacárregui , Liang Dai , Mark Ho-Yeuk Cheung

Soon, the combination of electromagnetic and gravitational signals will open the door to a new era of gravitational-wave (GW) cosmology. It will allow us to test the propagation of tensor perturbations across cosmic time and study the…

宇宙学与河外天体物理 · 物理学 2021-09-08 Guadalupe Cañas-Herrera , Omar Contigiani , Valeri Vardanyan

We present the Gravitational Wave Treasure Map, a tool to coordinate, visualize, and assess the electromagnetic follow-up of gravitational wave (GW) events. With typical GW localization regions of hundreds to thousands of square degrees and…

高能天体物理现象 · 物理学 2020-05-20 Samuel D. Wyatt , Aaron Tohuvavohu , Iair Arcavi , Michael J. Lundquist , D. Andrew Howell , David J. Sand

In the era of second generation ground-based gravitational wave detectors, short gamma-ray bursts (GRBs) will be among the most promising astrophysical events for joint electromagnetic and gravitational wave observation. A targeted search…

广义相对论与量子宇宙学 · 物理学 2014-12-31 A. R. Williamson , C. Biwer , S. Fairhurst , I. W. Harry , E. Macdonald , D. Macleod , V. Predoi

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…

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