Year: 2026
Type: article
Abstract: Gravitational waves (GWs) emitted during a core-collapse supernova exhibit characteristic frequency features that encode information about the underlying physical processes leading up to the explosion. The dedicated-frequency framework is a hierarchical pipeline for following up GW burst detection candidates via bandpass analyses, designed to facilitate the detection of frequency-specific GW signatures. The applications of the dedicated-frequency framework are demonstrated using two separate case studies: a low-frequency (LF) and a high-frequency (HF) analysis. A successful detection with the LF analysis, restricted to frequencies below approximately ≲ 256 Hz , confirms the presence of LF GW signatures associated with hydrodynamical instabilities and provides constraints on Core-collapse supernovae explosion mechanisms. In contrast, a HF analysis, limited to ≳ 256 Hz , improves the detection significance of events with negligible signal power below 256 Hz. The methods and results described in this article were originally presented in Lee et al 2025 ( Phys. Rev. D 112 082006).
Source: Classical and Quantum Gravity
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,325
OpenAlex ID: W7207558098
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