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Gravitational Waves from Gravitational Collapse.

Chris L Fryer1, Kimberly C B New2

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This summary is machine-generated.

Gravitational wave signals from stellar collapse events, including white dwarfs and massive stars, are predicted to be detectable by current observatories. Advanced simulations incorporating realistic physics and 3D effects enhance these predictions for gravitational wave astronomy.

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Area of Science:

  • Astrophysics
  • Gravitational Wave Astronomy
  • Computational Physics

Background:

  • Stellar collapse has been a subject of gravitational wave emission studies for approximately 40 years.
  • Recent advancements include realistic angular momentum, microphysics, general relativity, and 3D non-axisymmetric effects in numerical simulations.

Purpose of the Study:

  • To review the comprehensive range of stellar collapse sources for gravitational wave emission.
  • To assess the detectability of gravitational waves from these sources using current and future interferometric observatories.

Main Methods:

  • Review of state-of-the-art numerical simulations of stellar collapse.
  • Inclusion of advanced physics: realistic angular momentum, microphysics, general relativity.
  • Analysis of three-dimensional, non-axisymmetric effects.

Main Results:

  • Simulations predict that gravitational waves from stellar collapse phenomena are potentially detectable.
  • This includes events ranging from white dwarf accretion-induced collapse to massive star core collapse.

Conclusions:

  • Gravitational waves from stellar collapse are a promising target for ground-based and space-based detectors.
  • The review encompasses diverse sources, from white dwarfs to supermassive stars, highlighting the breadth of potential signals.