[vsnet-alert 11946] Re: SDSS J165359.06+201010.4 superhump detection

Boris Gaensicke Boris.Gaensicke at warwick.ac.uk
Tue Apr 20 17:25:43 JST 2010


Dear Taichi,

just a quick comment,

> SDSS J165359.06+201010.4 superhump detection
>
>   Osaka Kyoiku U. team (Shinichi Nakagawa, Ryo Noguchi, Kazuyuki Ogura
> and Katsura Matsumoto) has succeeded in detecting superhumps in
> this object (currently undergoing a bright outburst).
> The superhump period based on single-night observation is 0.0645(2) d,
> The period is shorter than the reported orbital period (1.58 hr) based
> on SDSS CV follow-up observation (Szkody et al. 2006).
> Further observations are strongly encouraged!

the 1.58hr period reported in Szkody et al. (2006AJ....131..973S) was a 
superhump period, not an orbital period, so the value you quote for this 
outburst is not too far off.

Best wishes,

Boris


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Dr. Boris Gaensicke                  www.warwick.ac.uk/go/BorisGaensicke
Associate Professor                        Boris.Gaensicke at warwick.ac.uk
Department of Physics
University of Warwick
Coventry CV4 7AL                                Tel: +44 (0)2476 574741
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