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Gravitationswellen von Kernkollaps-Supernovae


Stegmann,  Jakob
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Stegmann, J. (2017). Gravitationswellen von Kernkollaps-Supernovae. Bachelor Thesis, Ruprecht-Karls-Universität, Heidelberg.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002E-32AC-5
The very first direct detection of gravitational waves from a black hole merger opened up a new field of observation to astrophysics. In this context, previous studies also examined upcoming core-collapse supernovae in the Local Group of the Milky Way. Strong hints lead to the assumption that they are potential sources of gravitational waves which we could measure with present gravitational wave detectors on earth. In this work, we review the current knowledge of the theory of core-collapse supernovae. Furthermore, we deliver a summary of the physical description of gravitational waves. Finally, we develop a simple model of a collapsing stellar core which is deformed by rotation into an oblate spheroid. At a distance of r = 10 kpc, we could measure linear polarized gravitation waves in order of magnitude hx ~ 1-3 x 10-21 on the equatorial plane. We show that the results are in agreement with typical gravitational wave signals from previous core-collapse simulations.