ASASSN-19ax: SU UMa-type dwarf nova with a long superhump period and post-superoutburst rebrightenings

Taichi Kato, Hiroshi Itoh, Seiichiro Kiyota +8

We observed ASASSN-19ax during the long outburst in 2021 September-October. The object has been confirmed to be an SU UMa-type dwarf nova with a superhump period of 0.1000-0.1001 d…