SN 2018zd: An Unusual Stellar Explosion as Part of the Diverse Type II Supernova Landscape

Jujia Zhang, Xiaofeng Wang, Jozsef Vinko +29

We present extensive observations of SN 2018zd covering the first $\sim 450$\,d after the explosion. This SN shows a possible shock-breakout signal $\sim 3.6$\,hr after the explosion…