Astronomers used a new astronomical software system called the intermediate Palomar Transient Factory to discover a new Type Ib supernova and link it to the star from which it exploded. This image shows the galaxy NGC5806 and the location of the Type Ib supernova iPTF13bvn. Image credit: Yi Cao et al. Type Ib supernovae are rare explosions where the progenitor star lacks an outer layer of hydrogen. It has proven difficult to pin down which kinds of...
