QW Ser evolution of late superhumps Dear Colleagues, We have received new data from Tanabe-san (Okayama U. Sci.) and have analyzed new Kyoto data. The light curve on June 9 shows the remarkable evolution of sub-structures of superhumps. The most prominent feature is likely "late superhumps" between superhump maxima. Together with rapidly evolving detailed features, this signal suggests that the present superoutburst plateau is approaching to an end. Regards, Taichi Kato VSNET Collaboration team
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