机译:Late-time circumstellar interaction in a Spitzer selected sample of type IIn supernovae
Department of Astronomy, University of California, Berkeley, CA 94720-3411, United States;
Department of Astronomy, University of Virginia, Charlottesville, VA 22903, United States;
dust; extinction; infrared: stars; ircumstellar matter; supernovae: general; supernovae: individual (SN 2010jl; SN 2008gm; SN 2008en; SN 2008J; SN 2006jd; SN 2005ip);