A New SU UMa-Type Dwarf Nova, QW Serpentis (= TmzV46)

  title={A New SU UMa-Type Dwarf Nova, QW Serpentis (= TmzV46)},
  author={Daisaku Nogami and Masakatsu Uemura and Ryoko Ishioka and Hidetoshi Iwamatsu and Takashi Kato and Elena P. Pavlenko and Alex V. Baklanov and Rudolf Nov{\^a}k and Seiichiro Kiyota and Keiichi Tanabe and G. Masi and Lewis M. Cook and Koichi Morikawa and Patrick Schmeer},
We report on the results of the QW Ser campaign, which has been continued from 2000 to 2003 by the VSNET collaboration team. Four long outbursts and many short ones were caught during this period. Our intensive photometric observations revealed superhumps with a period of 0.07700(±0.00004)d during all four superoutbursts, proving the SU UMa nature of this star. The recurrence cycles of the normal outbursts and the superoutbursts were measured to be ∼ 50 days and 240(±30) days, respectively. The… Expand