Spitzer's last look at extragalactic explosions: Long-term evolution of interacting supernovae

Tamás Szalai, Ori D. Fox, Richard G. Arendt, Eli Dwek, Jennifer E. Andrews, Geoffrey C. Clayton, Alexei V. Filippenko, Joel Johansson, Patrick L. Kelly, Kelsie Krafton, A. P. Marston, Jon C. Mauerhan, Schuyler D. Van Dyk