[vsnet-chat 2840] Re: CH UMa

[Taichi Kato <tkato>]

Re: [vsnet-chat 2839] Re: CH UMa

> B-V values of more than 0.5 are not uncommon for SS Cyg-type dwarf
> novae with relatively long orbital periods. Another example is RU Peg
> with B-V= 0.633 (Arne Henden).

   A combination of the long orbital period and the low mass-transfer rate
in CH UMa certainly explains the apparent red color in quiescence
(this is probably true for your favorite, NS Per, Patrick ;-).

Regards,
Taichi Kato

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