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The most promising concept for low frequency gravitational wave observatories are laser interferometric detectors in space. It is usually assumed that the noise floor for such a detector is dominated by optical shot noise in the signal…

仪器与探测器 · 物理学 2015-06-23 Simon Barke , Yan Wang , Juan Jose Esteban Delgado , Michael Tröbs , Gerhard Heinzel , Karsten Danzmann

Gravitational waves are radiative solutions of space-time dynamics predicted by Einstein's theory of General Relativity. A world-wide array of large-scale and highly sensitive interferometric detectors constantly scrutinizes the geometry of…

广义相对论与量子宇宙学 · 物理学 2019-08-15 Eric Chassande-Mottin

This decade will see the first direct detections of gravitational waves by observatories such as Advanced LIGO and Virgo. Among the prime sources are coalescences of binary neutron stars and black holes, which are ideal probes of dynamical…

广义相对论与量子宇宙学 · 物理学 2015-06-12 Chris Van Den Broeck

Supernova remnants (SNRs) are likely sources of hadronic particle acceleration within our galaxy, contributing to the galactic cosmic ray flux. Next-generation instruments, such as the Southern Wide-field Gamma-ray Observatory (SWGO), will…

高能天体物理现象 · 物理学 2025-06-24 Nick Scharrer , Samuel T. Spencer , Vikas Joshi , Alison M. W. Mitchell

Fast and effective localization of gravitational wave (GW) events could play a crucial role in identifying possible electromagnetic counterparts, and thereby help usher in an era of GW multi-messenger astronomy. We discuss an algorithm for…

天体物理仪器与方法 · 物理学 2018-11-08 Hsin-Yu Chen , Daniel E. Holz

The astrophysical stochastic gravitational wave background (SGWB) originates from numerous faint sub-threshold gravitational wave (GW) signals arising from the coalescing binary compact objects. This background is expected to be discovered…

广义相对论与量子宇宙学 · 物理学 2024-03-05 Ramit Dey , Luís Felipe Longo Micchi , Suvodip Mukherjee , Niayesh Afshordi

The LIGO-Virgo-KAGRA (LVK) collaboration has recently made it possible for early warning alerts to be sent out, potentially before the end of the gravitational wave (GW) emission from a neutron star binary. If we get such alerts in this…

高能天体物理现象 · 物理学 2024-06-10 Jacopo Tissino

With the advent of gravitational-wave astronomy and the discovery of more compact binary coalescences, data quality improvement techniques are desired to handle the complex and overwhelming noise in gravitational wave (GW) observational…

广义相对论与量子宇宙学 · 物理学 2024-02-21 He Wang , Yue Zhou , Zhoujian Cao , Zong-Kuan Guo , Zhixiang Ren

A detection of a core-collapse supernova signal with an Advanced LIGO and Virgo gravitational-wave detector network will allow us to measure astrophysical parameters of the source. In real advanced gravitational-wave detector data there are…

高能天体物理现象 · 物理学 2018-01-03 Jade Powell , Marek Szczepanczyk , Ik Siong Heng

We introduce a new capability of the Neil Gehrels Swift Observatory, dubbed `continuous commanding,' achieving 10 seconds latency response time on-orbit to unscheduled Target of Opportunity requests. This allows Swift to respond to early…

Taiji, a Chinese space-based gravitational wave (GW) detection project, aims to explore the millihertz GW universe with unprecedented sensitivity. By observing astrophysical and cosmological sources, including Galactic binaries, massive…

The explosive coalescence of two black holes 1.3 billion light years away has for the very first time allowed us to peer into the extreme gravity region of spacetime surrounding these events. With these maximally compact objects reaching…

广义相对论与量子宇宙学 · 物理学 2021-04-27 Zack Carson

This article reviews current efforts and plans for gravitational-wave detection, the gravitational-wave sources that might be detected, and the information that the detectors might extract from the observed waves. Special attention is paid…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Kip S. Thorne

The Gamma-Ray Burst Monitor (GBM) on the {\it Fermi Gamma-Ray Space Telescope}, for the first time, detected a short gamma ray burst (SGRB) signal that accompanies a gravitational wave signal GW170817 in 2017. The detection and localization…

高能天体物理现象 · 物理学 2020-09-02 Fadil Inceoglu , Nestor J. Hernandez Marcano , Rune H. Jacobsen , Christoffer Karoff

The first direct observation of gravitational waves' action upon matter has recently been reported by the BICEP2 experiment. Advanced ground-based gravitational-wave detectors are being installed. They will soon be commissioned, and then…

广义相对论与量子宇宙学 · 物理学 2014-05-06 Scott A. Hughes

We present a lightweight, flexible, and high-performance framework for inferring the properties of gravitational-wave events. By combining likelihood heterodyning, automatically-differentiable and accelerator-compatible waveforms, and…

天体物理仪器与方法 · 物理学 2023-02-13 Kaze W. K. Wong , Maximiliano Isi , Thomas D. P. Edwards

Multimessenger astronomy incorporating gravitational radiation is a new and exciting field that will potentially provide significant results and exciting challenges in the near future. With advanced interferometric gravitational wave…

广义相对论与量子宇宙学 · 物理学 2019-08-13 N. L. Christensen

Seven years after the first direct detection of gravitational waves, from the collision of two black holes, the field of gravitational wave astronomy is firmly established. A first detection of continuous gravitational waves from…

广义相对论与量子宇宙学 · 物理学 2026-04-02 Karl Wette

Direct and unequivocal detection of gravitational waves represents a great challenge of contemporary physics and astrophysics. A worldwide effort is currently operating towards this direction, building ever sensitive detectors, improving…

宇宙学与河外天体物理 · 物理学 2015-06-03 Paola Leaci