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CI UMa observations from Nyrola team Dear Colleagues, We have received time-series photometry of CI UMa from Nyrola team (A. Oksanen and P. Tikkanen). The data clearly show 0.2 mag sharp superhumps. We have also received almost nightly observations from Okayama U. of Sci. team, led by Tanabe-san. Since CI UMa has a short superhump period (0.0625 d) and a possibly short supercycle, measuring Pdot is a very important step toward understanding the full picture of superhump period changes in SU UMa stars. Further continious observation throughout the superoutburst are strongly encouraged. Regards, Taichi Kato VSNET Collaboration team
Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
