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Core-collapse supernovae (SNe) are sources of gravitational waves (GWs) produced by hydrodynamical instabilities and highly time-dependent anisotropies of the neutrino radiation. In this work we analyze both contributions to the GW signal…

High Energy Astrophysical Phenomena · Physics 2026-04-01 Alessandro Lella , Giuseppe Lucente , Daniel Kresse , Robert Glas , H. -Thomas Janka , Alessandro Mirizzi

New methods are proposed with the goal to determine absolute neutrino masses from the simultaneous observation of the bursts of neutrinos and gravitational waves emitted during a stellar collapse. It is shown that the neutronization…

High Energy Physics - Phenomenology · Physics 2009-11-07 N. Arnaud , M. Barsuglia , M. A. Bizouard , F. Cavalier , M. Davier , P. Hello , T. Pradier

Core-collapse supernovae are dramatic explosions marking the catastrophic end of massive stars. The only means to get direct information about the supernova engine is from observations of neutrinos emitted by the forming neutron star, and…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Kei Kotake , Tomoya Takiwaki , Yudai Suwa , Wakana Iwakami Nakano , Shio Kawagoe , Youhei Masada , Shin-ichiro Fujimoto

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

We study the sensitivity to neutrino masses of a Galactic supernova neutrino signal as could be measured with the detectors presently in operation and with future large volume water \v{C}erencov and scintillator detectors. The analysis uses…

Astrophysics · Physics 2007-05-23 Jorge I. Zuluaga

Neutrinos and gravitational waves are the only direct probes of the inner dynamics of a stellar core collapse. They are also the first signals to arrive from a supernova and, if detected, establish the moment when the shock wave is formed…

Cosmology and Nongalactic Astrophysics · Physics 2013-11-08 Matthew D. Kistler , Wick C. Haxton , Hasan Yuksel

Core-collapse supernovae are among the most energetic explosions in the universe marking the catastrophic end of massive stars. In spite of rigorous studies for several decades, we still don't understand the explosion mechanism completely.…

Astrophysics · Physics 2009-11-13 Kei Kotake , Katsuhiko Sato , Keitaro Takahashi

Gravitational wave signals from core-collapse supernovae are one of the important observables for extracting the information of dense matter. To extract the properties of proto-neutron stars produced via core-collapse supernovae by…

High Energy Astrophysical Phenomena · Physics 2024-06-26 Hajime Sotani , Bernhard Müller , Tomoya Takiwaki

The eventual detection of gravitational waves from core-collapse supernovae (CCSN) will help improve our current understanding of the explosion mechanism of massive stars. The stochastic nature of the late post-bounce gravitational wave…

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

1D and 2D supernova simulations for stars between 11 and 25 solar masses are presented, making use of the Prometheus/Vertex neutrino-hydrodynamics code, which employs a full spectral treatment of the neutrino transport. Multi-dimensional…

Astrophysics · Physics 2009-11-11 R. Buras , H. -Th. Janka , M. Rampp , K. Kifonidis

We suggest the future detection of neutrinos from a Galactic core-collapse supernova can be used to infer the progenitor's inner mass density structure. We present the results from 20 axisymmetric core-collapse supernova simulations…

High Energy Astrophysical Phenomena · Physics 2018-01-30 Shunsaku Horiuchi , Ko Nakamura , Tomoya Takiwaki , Kei Kotake

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…

Instrumentation and Methods for Astrophysics · Physics 2021-01-28 Chaitanya Afle , Duncan A Brown

We present an approach to detecting (linear) gravitational wave memory in a Galactic core-collapse supernova using current interferometers. Gravitational wave memory is an important prediction of general relativity that has yet to be…

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

We present the gravitational waveforms computed in ab initio two-dimensional core collapse supernova models evolved with the Chimera code for progenitor masses between 12 and 25 solar masses. All models employ multi-frequency neutrino…

Core-collapse supernovae are dramatic events with a rich phenomenology, including gravitational radiation. Simulations of these events in multiple spatial dimensions with energy- and angle-dependent neutrino transport are still in their…

Astrophysics · Physics 2009-11-10 Christian Y. Cardall

We compare gravitational-wave (GW) signals from eight three-dimensional simulations of core-collapse supernovae, using two different progenitors with zero-age main sequence masses of 9 and 20 solar masses. The collapse of each progenitor…

High Energy Astrophysical Phenomena · Physics 2021-04-13 Haakon Andresen , Robert Glas , H-Thomas Janka

The neutrino burst from a core-collapse supernova can provide information about the star explosion mechanism and the mechanisms of proto neutron star cooling but also about the intrinsic properties of the neutrino such as flavor…

Instrumentation and Detectors · Physics 2016-05-10 Inés Gil-Botella

While gravitational waves have been detected from mergers of binary black holes and binary neutron stars, signals from core collapse supernovae, the most energetic explosions in the modern Universe, have not been detected yet. Here we…

Instrumentation and Methods for Astrophysics · Physics 2018-12-14 P. Astone , P. Cerda-Duran , I. Di Palma , M. Drago , F. Muciaccia , C. Palomba , F. Ricci