Optical, near-IR and $X$-ray observations of SN 2015J and its host galaxy

A. A. Nucita, F. De Paolis, R. Saxton +7

SN 2015J was discovered on April 27th 2015 and is classified as a type IIn supernova. At first, it appeared to be an orphan SN candidate, i.e. without any clear identification of i…