confirmation of core-collapse supernova theory
constraints on neutron star formation
detailed study of supernova light curves
detection of circumstellar rings
detection of molecular emission
detection of radioactive decay products
first detection of neutrinos from a supernova
first naked-eye supernova since 1604
measurement of expansion velocity
measurement of light echo
multi-wavelength time series data
observation of expanding rings
study of dust formation in supernovae
study of nucleosynthesis in supernovae
study of progenitor star properties
study of shock wave propagation
study of supernova asymmetry
long-term monitoring of supernova remnant evolution