Can the violent merger of white dwarfs explain the slowest declining Type Ia supernova SN 2011aa?

Anirban Dutta, G C Anupama, N K Chakradhari +1

We present optical observations and Monte Carlo radiative transfer modeling of the Type Ia supernova SN 2011aa. With a $\Delta m_{15}(B)$ of $0.59\pm 0.07$ mag and a peak magnitude $M_…