Göttingen 2025 – scientific programme

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T: Fachverband Teilchenphysik

T 60: Gravitational Waves

T 60.4: Talk

Wednesday, April 2, 2025, 17:00–17:15, VG 3.104

Estimating the Detection Horizon of Gravitational Waves from Core-Collapse Supernovae for the Einstein Telescope — Markus Bachlechner, Thilo Birkenfeld, •Timo Butz, and Achim Stahl — III. Physikalisches Institut B, RWTH Aachen

Core-collapse supernovae are one of the most anticipated sources for gravitational wave detectors. A detection of such an event can provide crucial information on the processes occurring during the final stages of massive stars and open perspectives in multi-messenger astronomy. The proposed Einstein Telescope (ET), as the first of the third-generation of gravitational wave detectors, is predicted to be an order of magnitude more sensitive in the whole frequency band compared to the previous generation. Therefore, an increased event rate due to the enlarged observable volume and the ability to study details of the underlying mechanism are expected. This talk presents an analysis of ET’s detection horizon for core-collapse supernovae obtained with the unmodelled search algorithm Coherent WaveBurst and compares it to the upper limit given by optimal matched filtering.

Keywords: Gravitational Waves; Core-Collapse Supernovae; Einstein Telescope; Multi-Messenger Astronomy