Abstract
Core-collapse supernovae (CCSNe) represent the evolutionary endpoint of most massive stars, accounting for about 70 percent of the SNe detected in local universe. Their mulitband observations, in particular in very early phase, can help reveal late-time evolution of massive stars immediately before explosion and probe fundamental physics involved in stellar explosions such as explosion mechanism and shock breakout emission, which are far from being understood. In this talk, I will report the progress in our understanding the above issues in the era of wide-field transient surveys, highlighting the progress that has made by my research group at Tsinghua university. In particular, we will report the successful detections of shock breakout emission from two nearby type II supernovae and discovery of a jet-driven supernova explosion without accompanied gamma-ray burst.
Anyone interested is welcome to attend.