A UV Resonance Line Echo from a Shell Around a Hydrogen-Poor Superluminous Supernova

R. Lunnan, C. Fransson, P. M. Vreeswijk +21

Hydrogen-poor superluminous supernovae (SLSN-I) are a class of rare and energetic explosions discovered in untargeted transient surveys in the past decade. The progenitor stars and…