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We explore opportunities for multi-messenger astronomy using gravitational waves (GWs) and prompt, transient low-frequency radio emission to study highly energetic astrophysical events. We review the literature on possible sources of…

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

While it is well-known that internal gravity waves (IGWs) transport chemicals in the radiative zones of stars, there remains substantial uncertainty on the amount of, and physical mechanism behind, this transport. Most previous studies have…

太阳与恒星天体物理 · 物理学 2025-10-03 Yifeng Mao , Daniel Lecoanet

Future missions of gravitational-wave astronomy will be operated by space-based interferometers, covering very wide range of frequency. Search for stochastic gravitational-wave backgrounds (GWBs) is one of the main targets for such…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Hideaki Kudoh , Atsushi Taruya , Takashi Hiramatsu , Yoshiaki Himemoto

We present a comprehensive forecast for cosmological constraints using the joint observation of the cosmic shear signal from the Chinese Space Station Survey Telescope (CSST) and the clustering signal from the next-generation gravitational…

宇宙学与河外天体物理 · 物理学 2026-02-24 Pengfei Su , Yan Gong , Qi Xiong , Dingao Hu , Hengjie Lin , Furen Deng , Xuelei Chen

We calculate the gravitational-wave (GW) signatures of detailed 3D core-collapse supernova simulations spanning a range of massive stars. Most of the simulations are carried out to times late enough to capture more than 95% of the total GW…

高能天体物理现象 · 物理学 2023-06-01 David Vartanyan , Adam Burrows , Tianshu Wang , Matthew S. B. Coleman , Christopher J. White

We present a framework for relating gravitational wave (GW) sources to the astrophysical properties of spectroscopic galaxy samples. We show how this can enable using clustering measurements of gravitational wave (GW) sources to infer the…

The solar surface is a continuous source of internal gravity waves (IGWs). IGWs are believed to supply the bulk of the wave energy for the lower solar atmosphere, but their existence and role for the energy balance of the upper layers is…

太阳与恒星天体物理 · 物理学 2021-01-20 G. Vigeesh , M. Roth , O. Steiner , B. Fleck

Newly born magnetars are promising sources for gravitational wave (GW) detection due to their ultra-strong magnetic fields and high spin frequencies. Within the scenario of a growing tilt angle between the star's spin and magnetic axis, due…

太阳与恒星天体物理 · 物理学 2015-10-21 Quan Cheng , Yun-Wei Yu , Xiao-Ping Zheng

Continuous high-precision photometry of stars, provided by space missions such as CoRoT, Kepler, and K2, represents a unique way to study stellar rotation and magnetism. The coupling of these studies of the surface dynamics with…

太阳与恒星天体物理 · 物理学 2019-07-24 R. A. Garcia

With the rapid development of asteroseismology thanks to space-based photometry missions such as CoRoT, Kepler, TESS, and in the future, PLATO, and the use of inversion techniques, quasi-model-independent constraints on the stellar…

太阳与恒星天体物理 · 物理学 2022-07-20 J. Bétrisey , G. Buldgen

The propagation of gravitational waves (GWs) at cosmological distances offers a new way to test the gravitational interaction at the largest scales. Many modified theories of gravity, usually introduced to explain the observed acceleration…

广义相对论与量子宇宙学 · 物理学 2022-04-13 Maxence Corman , Abhirup Ghosh , Celia Escamilla-Rivera , Martin A. Hendry , Sylvain Marsat , Nicola Tamanini

The common envelope phase is a likely formation channel for close binary systems containing compact objects. Neutron stars in common envelopes accrete at a fraction of the Bondi-Hoyle-Lyttleton accretion rate, since the stellar envelope is…

高能天体物理现象 · 物理学 2018-04-25 A. Miguel Holgado , Paul M. Ricker , E. A. Huerta

We present multidimensional modeling of convection and oscillations in main-sequence stars somewhat more massive than the Sun, using three separate approaches: 1) Using the 3-D planar StellarBox radiation hydrodynamics code to model the…

太阳与恒星天体物理 · 物理学 2016-05-17 Joyce A. Guzik , T. H. Morgan , N. J. Nelson , C. Lovekin , K. Kosak , I. N. Kitiashvili , N. N. Mansour , A. Kosovichev

We study the cross-correlation between the stochastic gravitational-wave background (SGWB) generated by binary black hole (BBH) mergers across the universe and the distribution of galaxies across the sky. We use the anisotropic SGWB…

广义相对论与量子宇宙学 · 物理学 2023-08-29 Kate Z. Yang , Jishnu Suresh , Giulia Cusin , Sharan Banagiri , Noelle Feist , Vuk Mandic , Claudia Scarlata , Ioannis Michaloliakos

Galactic core-collapse supernovae are among the possible sources of gravitational waves. We investigate the ability of gravitational-wave observatories to extract the properties of the collapsing progenitor from the gravitational waves…

天体物理仪器与方法 · 物理学 2021-01-28 Chaitanya Afle , Duncan A Brown

We investigate the new observational constraints on $f(T)$ gravity that arise from the effects of primordial gravitational waves (GWs) on the cosmic microwave background (CMB) anisotropies and the BB spectrum. We first show that on the GWs…

广义相对论与量子宇宙学 · 物理学 2018-11-30 Rafael C. Nunes , Supriya Pan , Emmanuel N. Saridakis

The production of a stochastic background of gravitational waves is a fundamental prediction of any cosmological inflationary model. The features of such a signal encode unique information about the physics of the Early Universe and beyond,…

宇宙学与河外天体物理 · 物理学 2016-09-05 Maria Chiara Guzzetti , Nicola Bartolo , Michele Liguori , Sabino Matarrese

Magnetic flares and induced oscillations of magnetars (super-magnetized neutron stars) are promising sources of gravitational waves (GWs). We suggest that the GW emission, if any, would last longer than the observed X-ray quasi-periodic…

高能天体物理现象 · 物理学 2015-04-23 Kazumi Kashiyama , Kunihito Ioka

Starting from a general relativistic framework a hydrodynamic formalism is derived that yields the mean-square amplitudes and rms surface velocities of normal modes of non-relativistic stars excited by arbitrary gravitational wave (GW)…

太阳与恒星天体物理 · 物理学 2011-03-03 D. M. Siegel , M. Roth