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Subject: Re: Possible Nova in Sgr and V4006 Sgr >> And, extrapolating the periodicity, the expected maximum would occur >> around 1958.65, near to the epoch when it cought brighter in POSS I >> image (vsnet-alert 7701). It is also valid for the most recent >> maximum, suggested by Jim Bedient (vsnet-alert 7700). > > The periodicity of a Mira star is not usually this stable to allow >decades-long extrapolation. They may be a mere coincidence. Although it can be an accidental coincidence for the most recent maxima, the given maximum epoch in GCVS was early 1960's. So, the brighting on 1958.65 supports the identification. > Please look at the original chart of V4006 Sgr, and see how the >position agrees with the object currently in question. It is up to >the GCVS team to call the present object V4006 Sgr or assign a new >name, although I presume there is only a single Mira-star of this >brightness within a few arcmin of this position. Like as James Bedient, I can't refer the original chart (or article). Is it possible to reproduce (scan) it > Janet? Sincerely Yours, Hitoshi Yamaoka, Kyushu Univ., Japan yamaoka@rc.kyushu-u.ac.jp
Return to the Powerful Daisaku Nogami
vsnet-adm@kusastro.kyoto-u.ac.jp
