2 papers
astro-ph.CO2026
The local ultraviolet signature of Type Ia supernova environments from HST and MUSE
Lluís Galbany, LluÃs Galbany, Cullen Abelson +22
The local environment of a Type Ia supernova (SN~Ia) traces the local stellar-population age (a statistical proxy for the progenitor age), star formation, dust, and chemical enrich…
astro-ph.HE2026
The flash-ionised SN Ibn 2025kzr: H-free CSM formed during a precursor outburst 55 days prior to explosion
S. de Wet, G. Leloudas, D. A. H. Buckley +33
Type Ibn supernovae (SNe) are a class of interacting SNe characterised by narrow helium lines in their spectra. We present an extensive observational dataset of the Type Ibn SN 202…