SN 2016gsd: an unusually luminous and linear Type II supernova with high velocities
SN 2016gsd: an unusually luminous and linear Type II supernova with high velocities
ABSTRACT We present observations of the unusually luminous Type II supernova (SN) 2016gsd. With a peak absolute magnitude of V = −19.95 ± 0.08, this object is one of the brightest Type II SNe, and lies in the gap of magnitudes between the majority of Type II SNe and the …