[vsnet-chat 155] Re: V1504 Cyg

[Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>]

Erik Kuulkers wrote:
> V1504 Cyg has been put forward as a SU UMa star, just because it shows 
> long and short outbursts (see Raykov & Yushchenko 1988, Perem. Zvezdy, 
> 22, 853).

   Yes, the SU UMa-type nature of V1504 Cyg was revealed and already announced
by the Ouda group via VSNET.  I've heard Nogam-san is writing a paper on
this -- he may provide more info.

> However, in the VSNET database this star is still classified as "UGZ:".
> Does anyone have more information on this star, or are there extensive 
> observations available during long (super?) outbursts, which may point to
> the existence of superhumps?

   The variable-type database used to draw VSNET light curves is already
a little too obsolete, but I don't not have yet time to revise it.  Actually
it's UGSU.

Regard,
Taichi Kato

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