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V699 Oph: refined superhump period Dear Colleagues, We have received a new excellent set of data from Tom Krajci. Thanks to the high-quality sufficient coverage, we have been able to more precisely determine the superhump period. The mean superhump period is 0.07027(4) d, which supersedes the earlier reports. The superhump period change is almost zero, which is rather unusual for this period. This lack of a large period change may strengthen the claimed diversity of superhump systems in long-period SU UMa stars (Kato et al. 2003, MNRAS 339, 861; Kato et al. 2003, MNRAS, 341, 901). The star is still vigourously superhumping, and we wish your successful observations! Regards, Taichi Kato VSNET Collaboration team
Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
