[vsnet-alert 10693] Re: On V632 Cyg outburst

[Pavol A. Dubovsky]

I found weak signal 0.068d in 3 hours run in very difficult conditions.
Pavol A. Dubovsky
AO in Kolonica Saddle, SLOVAKIA

Taichi Kato  wrote / napísal(a):
>   V632 Cyg sometimes show low-amplitude outbursts.
> 
>   YYYYMMDD(UT)   mag  observer
>   20080827.085  17.32C  (Eddy Muyllaert)
>   20080828.554  161C  (Hiroyuki Maehara)
>   20080829.093  17.81C  (Eddy Muyllaert)
> 
>   The last major outbursts were:
> 
>   YYYYMMDD(UT)   mag  observer
>   20050109.710   134  (Pavol A. Dubovsky)
>   20050110.792   137  (Gary Poyner)
>   20050112.805   141  (Gary Poyner)
> 
>   YYYYMMDD(UT)   mag  observer
>   20050415.375   142  (Mike Simonsen)
>   20050416.338  <146  (Mike Simonsen)
> 
>   I have been suspecting that this object is an SU UMa-type dwarf nova.
> Time-resolved photometry during the current outburst is encouraged!
> 
> [vsnet-campaign-dn 1979] V632 Cyg outburst photometry
> 
> V632 Cyg outburst photometry
> 
> Dear Colleagues,
> 
>    We have finished analyzing the Kyoto Dec. 12 observation.  The data seem
> to show slow modulations (amplitude ~0.1 mag) with a time-scale of ~2 hr.
> The periodicity has not been confirmed because of the temporary intereference
> by clouds.  This modulation could be a hint of emerging superhumps; since
> the present outburst is a long, bright one rarely seen in recent years,
> further intensive observations are strongly encouraged.
>