Constraints on the Progenitor of SN 2016gkg from Its Shock-cooling Light Curve
Constraints on the Progenitor of SN 2016gkg from Its Shock-cooling Light Curve
SN 2016gkg is a nearby Type IIb supernova discovered shortly after explosion. Like several other Type IIb events with early-time data, SN 2016gkg displays a double-peaked light curve, with the first peak associated with the cooling of a low-mass extended progenitor envelope. We present unprecedented intranight-cadence multi-band photometric coverage of …