A luminous stellar outburst during a long-lasting eruptive phase first, and then SN IIn 2018cnf

A. Pastorello, A. Reguitti, A. Morales-Garoffolo +45

We present the results of the monitoring campaign of the Type IIn supernova (SN) 2018cnf (aka ASASSN-18mr). It was discovered about 10 days before the maximum light (on MJD = 58293…