PNV J00444033+4113068: early superhumps with 0.7 mag amplitude and non-red color

Yusuke Tampo, Keisuke Isogai, Naoto Kojiguchi +13

In the first days of WZ Sge-type dwarf nova (DN) outbursts, the 2:1 resonance induces a spiral arm structure in the accretion disk, which is observed as early superhumps in optical…