On the Nature of Long-Period Dwarf Novae with Rare and Low-Amplitude Outbursts

Mariko Kimura, Taichi Kato, Hiroyuki Maehara +35

There are several peculiar long-period dwarf-nova like objects, which show rare, low-amplitude outbursts with highly ionized emission lines. 1SWASP J162117$+$441254, BD Pav, and V3…