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T: Fachverband Teilchenphysik

T 36: Gamma astronomy 2

T 36.4: Vortrag

Dienstag, 5. März 2024, 16:45–17:00, Geb. 30.22: kl. HS A

Modelling Supernova Remnant Spectra to Predict their Detectability by the Southern Wide-field Gamma-ray Observatory — •Nick Scharrer, Alison Mitchell, and Vikas Joshi for the SWGO collaboration — Erlangen Centre for Astroparticle Physics (ECAP) Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 2, 91058 Erlangen

Supernova remnants (SNRs) remain prime candidates for hadronic particle acceleration within our galaxy. Detecting and identifying Cosmic Ray particle accelerators is achieved via the associated gamma-ray emission they produce. Future facilities such as the Southern Wide-field Gamma-ray Observatory (SWGO) will be of crucial importance in identifying new candidate SNRs. We develop a model of the expected SNR gamma-ray emission and validate it for sources that have been observed with current-generation instruments using a Markov chain Monte Carlo (MCMC) approach for energies above 1 GeV. Furthermore, we compare our model predictions to the anticipated SWGO sensitivity to explore the SNR emission phase space and quantify detection prospects for SWGO.

Keywords: Supernova Remnants (SNRs); Gamma-ray