Signatures of anti-social mass-loss in the ordinary Type II SN 2024bch -- A non-interacting supernova with early high-ionisation features

Leonardo Tartaglia, Giorgio Valerin, Andrea Pastorello +9

In this paper we analyse the spectro-photometric properties of the Type II supernova 2024bch, exploded in NGC 3206 at a distance of $19.9\mathrm{Mpc}$. Its early spectra are characte…