The unprecedented 2012 outburst of SN 2009ip: a luminous blue variable star becomes a true supernova
The unprecedented 2012 outburst of SN 2009ip: a luminous blue variable star becomes a true supernova
Some reports of supernova (SN) discoveries turn out not to be true core-collapse explosions. One such case was SN 2009ip, which was recognized to be a luminous blue variable (LBV) eruption. This source had a massive hot progenitor star identified in pre-explosion data, it had documented evidence of pre-outburst variability, …