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Related papers: Magnetar Asteroseismology with Long-Term Gravitati…

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Continuous gravitational waves (GWs) of neutrons stars haven't been detected directly until now. One possible way to indirectly identify their signatures is via the correlation between magnetars and gamma-ray bursts (GRBs), since, under…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Shuang Du

The X-ray plateau emission observed in many Long gamma-ray bursts (LGRBs) has been usually interpreted as the spin-down luminosity of a rapidly spinning, highly magnetized neutron star (millisecond magnetar). If this is true, then the…

High Energy Astrophysical Phenomena · Physics 2022-08-17 Lang Xie , Da-Ming Wei , Yun Wang , Zhi-Ping Jin

The most strongly magnetized neutron stars, the magnetars, have spectacular outbursts of gamma-ray flares powered by decay of the magnetic field. The rapidly changing field is strong enough that it should be able to stress and rupture the…

Solar and Stellar Astrophysics · Physics 2011-11-03 Anna L. Watts

Gravitational waves astronomy allows us to study objects and events invisible in electromagnetic waves. It is crucial to validate the theories and models of the most mysterious and extreme matter in the Universe: the neutron stars. In…

High Energy Astrophysical Phenomena · Physics 2019-11-06 Magdalena Sieniawska , Michał Bejger

A new generation of observatories is looking for gravitational waves. These waves, emitted by highly relativistic systems, will open a new window for ob- servation of the cosmos when they are detected. Among the most promising sources of…

General Relativity and Quantum Cosmology · Physics 2015-11-11 Warren G. Anderson , Jolien D. E. Creighton

Now that detection of gravitational wave signals from the coalescence of extra-galactic compact binary star mergers has become nearly routine, it is intriguing to consider other potential gravitational wave signatures. Here we examine the…

High Energy Astrophysical Phenomena · Physics 2023-04-19 Keith Riles

Since the first detection of gravitational-wave (GW), GW150914, September 14th 2015, the multi-messenger astronomy added a new way of observing the Universe together with electromagnetic (EM) waves and neutrinos. After two years, GW…

General Relativity and Quantum Cosmology · Physics 2018-11-14 Pil-Jong Jung , Keun-Young Kim , Young-Min Kim , John J. Oh , Sang Hoon Oh , Edwin J. Son

By performing two-dimensional special relativistic (SR) magnetohydrodynamic simulations, we study possible signatures of gravitational waves (GWs) in the context of the collapsar model for long-duration gamma-ray bursts. In our SR…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Kei Kotake , Tomoya Takiwaki , Seiji Harikae

Rapidly spinning magnetars are potential candidates for the energy source of supernovae (SNe) and gamma-ray bursts and the most promising sources for continuous gravitational waves (GWs) detected by ground-based GW detectors. Continuous GWs…

High Energy Astrophysical Phenomena · Physics 2024-04-30 Lang Xie , Hong-Yu Gong , Long LI , Da-Ming Wei , J. L. Han

Rapidly rotating neutron stars in Low Mass X-ray Binaries have been proposed as an interesting source of gravitational waves. In this chapter we present estimates of the gravitational wave emission for various scenarios, given the…

Gravitational wave bursters are sources which emit repeatedly bursts of gravitational waves, and have been recently suggested as potentially interesting candidates for gravitational wave (GW) detectors. Mechanisms that could give rise to a…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Florian Dubath , Stefano Foffa , Maria Alice Gasparini , Michele Maggiore , Riccardo Sturani

With the doors beginning to swing open on the new gravitational wave astronomy, this review provides an up-to-date survey of the most important physical mechanisms that could lead to emission of potentially detectable gravitational…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Kostas Glampedakis , Leonardo Gualtieri

We study the gravitational-wave background produced by f-mode oscillations of neutron stars triggered by magnetar giant flares. For the gravitational-wave energy, we use analytic formulae obtained via general relativistic…

High Energy Astrophysical Phenomena · Physics 2024-01-01 Nikolaos Kouvatsos , Paul D. Lasky , Ryan Quitzow-James , Mairi Sakellariadou

The high frequency oscillations discovered in the tails of giant flares from two magnetars are thought to be the first direct detections of seismic vibrations from neutron stars. The possibility of starquakes associated with the giant…

Astrophysics · Physics 2008-11-26 Anna L. Watts , Tod E. Strohmayer

Gravitational Wave Astronomy is becoming a reality as Earth-based interferometric gravitational-wave detectors reach the design sensitivities and move towards advanced configurations that may lead to gravitational-wave detections in the…

Astrophysics · Physics 2008-08-05 Carlos F. Sopuerta

Stellar collapse and the subsequent development of a core-collapse supernova explosion emit bursts of gravitational waves (GWs) that might be detected by the advanced generation of laser interferometer gravitational-wave observatories such…

General Relativity and Quantum Cosmology · Physics 2015-06-04 J. Logue , C. D. Ott , I. S. Heng , P. Kalmus , J. Scargill

We investigate the generation of gravitational waves from the rotation of an orthogonal pulsar magnetosphere in flat space time. We calculate the first order metric perturbation due to the rotation of the non-axisymmetric distribution of…

General Relativity and Quantum Cosmology · Physics 2023-12-20 Ioannis Contopoulos , Demosthenes Kazanas , Demetrios B. Papadopoulos

The X-ray afterglow that is observed following large flares on magnetars can be accurately fit by simple and quantitative theoretical models: The long term afterglow, lasting of order weeks, can be understood as thermal radiation of a…

Astrophysics · Physics 2007-05-23 D. Eichler , Y. Lyubarsky , C. Thompson , P. Woods

The existence of a shallow decay phase in the early X-ray afterglows of gamma-ray bursts is a common feature. Here we investigate the possibility that this is connected to the formation of a highly magnetized millisecond pulsar, pumping…

Cosmology and Nongalactic Astrophysics · Physics 2009-09-28 Alessandra Corsi , Peter Meszaros

Neutron stars may sustain a non-axisymmetric deformation due to magnetic distortion and are potential sources of continuous gravitational waves (GWs) for ground-based interferometric detectors. With decades of searches using available GW…

High Energy Astrophysical Phenomena · Physics 2017-08-09 He Gao , Zhoujian Cao , Bing Zhang