[vsnet-alert 10698] Re: V632 Cyg: a new SU UMa-type dwarf nova

Pavol A. Dubovsky var at kozmos.sk
Thu Nov 13 22:47:00 JST 2008


I observed fully evolved superhumps with amplitude 0.3 mag and 
Psh=0.0658d +/- 0.0027d. See 
http://var.kozmos.sk/Slovakia_obslog.php?obs_id=1183324800&projekt=%&star=V632%20Cyg

Clear skies!
Pavol A. Dubovsky
AO Kolonica Saddle, SLOVAKIA

Taichi Kato  wrote / napísal(a):
> V632 Cyg: a new SU UMa-type dwarf nova
> 
>    As reported in [vsnet-alert 10693], Pavol A. Dubovsky succeeded in
> detecting superhumps.  Nakajima-san also succeeded in recording
> superhumps.  From these observations, the best superhump period
> is 0.06549(13) d, 2.7% longer than the orbital period (0.06377 d,
> Sheets et al., PASP 119, 494).  These observations now firmly
> established the SU UMa-type nature of this object.
> We expect to obtain further observations soon, and will be able to
> refine the period and its development.  An SU UMa-type dwarf nova
> at this period is expected to show a positive period derivative
> and a rebrightening.  Please continue observing!
> 


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