English
Related papers

Related papers: Generic Gravitational Wave Signals from the Collap…

200 papers

We perform general relativistic simulations of stellar core collapse to a proto-neutron star, using a microphysical equation of state as well as an approximate description of deleptonization. We show that for a wide variety of rotation…

We present results from detailed general relativistic simulations of stellar core collapse to a proto-neutron star, using two different microphysical nonzero-temperature nuclear equations of state as well as an approximate description of…

Astrophysics · Physics 2009-02-06 Harald Dimmelmeier , Christian D. Ott , Andreas Marek , Hans-Thomas Janka

We present results from the first 2+1 and 3+1 simulations of the collapse of rotating stellar iron cores in general relativity employing a finite-temperature equation of state and an approximate treatment of deleptonization during collapse.…

Gravitational waves (GWs) generated by axisymmetric rotating collapse, bounce, and early postbounce phases of a galactic core-collapse supernova will be detectable by current-generation gravitational wave observatories. Since these GWs are…

High Energy Astrophysical Phenomena · Physics 2017-04-05 S. Richers , C. D. Ott , E. Abdikamalov , E. O'Connor , C. Sullivan

We present results from the first 2D and 3D simulations of the collapse of rotating stellar iron cores in general relativity employing a finite-temperature equation of state and an approximate treatment of deleptonization during collapse.…

Astrophysics · Physics 2008-11-26 C. D. Ott , H. Dimmelmeier , A. Marek , H. -T. Janka , I. Hawke , B. Zink , E. Schnetter

We present the gravitational wave (GW) analysis of an extensive series of 3D MHD core-collapse simulations. Our 25 models are launched from a 15 solar mass progenitor, a spherically symmetric effective general relativistic potential, the…

High Energy Astrophysical Phenomena · Physics 2015-05-14 S. Scheidegger , R. Kaeppeli , S. C. Whitehouse , T. Fischer , M. Liebendoerfer

We present results from a full general relativistic three-dimensional hydrodynamics simulation of rapidly rotating core-collapse of a 70 M$_{\odot}$ star with three-flavor spectral neutrino transport. We find a strong gravitational wave…

High Energy Astrophysical Phenomena · Physics 2020-02-18 Shota Shibagaki , Takami Kuroda , Kei Kotake , Tomoya Takiwaki

The collapse of massive stars not only produces observable outbursts across the entire electromagnetic spectrum but, for Galactic (or near-Galactic) supernovae, detectable signals for ground-based neutrino and gravitational wave detectors.…

Astrophysics · Physics 2011-05-12 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes

We present results from a new set of 3D general-relativistic hydrodynamic simulations of rotating iron core collapse. We assume octant symmetry and focus on axisymmetric collapse, bounce, the early postbounce evolution, and the associated…

High Energy Astrophysical Phenomena · Physics 2013-05-30 C. D. Ott , E. Abdikamalov , E. O'Connor , C. Reisswig , R. Haas , P. Kalmus , S. Drasco , A. Burrows , E. Schnetter

Gravitational waves (GW) generated during a core-collapse supernova open a window into the heart of the explosion. At core bounce, progenitors with rapid core rotation rates exhibit a characteristic GW signal which can be used to constrain…

High Energy Astrophysical Phenomena · Physics 2015-04-30 Jim Fuller , Hannah Klion , Ernazar Abdikamalov , Christian Ott

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

Presented in this paper is a technique that we propose for extracting the physical parameters of a rotating stellar core collapse from the observation of the associated gravitational wave signal from the collapse and core bounce. Data from…

General Relativity and Quantum Cosmology · Physics 2009-11-18 Christian Röver , Marie-Anne Bizouard , Nelson Christensen , Harald Dimmelmeier , Ik Siong Heng , Renate Meyer

In this work we report briefly on the gravitational wave (GW) signal computed in the context of a self-consistent, 3D simulation of a core-collapse supernova (CCSN) explosion of a 15M$_\odot$ progenitor star. We present a short overview of…

We summarize our current understanding of gravitational wave emission from core-collapse supernovae. We review the established results from multi-dimensional simulations and, wherever possible, provide back-of-the-envelope calculations to…

Solar and Stellar Astrophysics · Physics 2022-04-05 Ernazar Abdikamalov , Giulia Pagliaroli , David Radice

The gravitational wave (GW) signal resulting from stellar core collapse encodes a wealth of information about the physical parameters of the progenitor star and the resulting core-collapse supernova (CCSN). We present a novel approach to…

High Energy Astrophysical Phenomena · Physics 2021-06-24 Michael A. Pajkos , MacKenzie L. Warren , Sean M. Couch , Evan P. O'Connor , Kuo-Chuan Pan

We review the ensemble of anticipated gravitational-wave (GW) emission processes in stellar core collapse and postbounce core-collapse supernova evolution. We discuss recent progress in the modeling of these processes and summarize most…

Astrophysics · Physics 2009-11-19 Christian D. Ott

Stellar core collapse events are expected to produce gravitational waves via several mechanisms, most of which are not yet fully understood due to the current limitations in the numerical simulations of these events. In this paper, we begin…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-05 Kyle Crocker , Tanner Prestegard , Vuk Mandic , Tania Regimbau , Keith Olive , Elisabeth Vangioni

We have computed the gravitational wave signal from supernova core collapse using the presently most realistic input physics available. We start from state-of-the-art progenitor models of rotating and non-rotating massive stars, and…

Astrophysics · Physics 2009-11-10 Ewald Mueller , Markus Rampp , Robert Buras , H. -Thomas Janka , David H. Shoemaker

Core-collapse supernovae are predicted to produce gravitational waves (GWs) that may be detectable by Advanced LIGO/Virgo. These GW signals carry information from the heart of these catacylsmic events, where matter reaches nuclear…

High Energy Astrophysical Phenomena · Physics 2023-03-31 Noah E. Wolfe , Carla Frohlich , Jonah M. Miller , Alejandro Torres-Forne , Pablo Cerda-Duran

The new generation of gravitational wave (GW) detectors have the potential to open a novel window onto the violent dynamics of core collapse. Although it is certain that core collapse events generate gravitational radiation, understanding…

Astrophysics · Physics 2007-05-23 Chris L. Fryer , Daniel E. Holz , Scott A. Hughes , Michael S. Warren
‹ Prev 1 2 3 10 Next ›