SN 2011A: an low-luminosity interacting transient, with a double plateau and strong sodium absorption

T. de Jaeger, J. P. Anderson, G. Pignata +16

We present optical photometry and spectroscopy of the optical transient SN 2011A. Our data spans 140 days after discovery including $BVRI{u}^{\prime }{g}^{\prime }{r}^{\prime }{i}^{\prime }{z}^{\prime }$ photometry and 11 epochs of opt…