[vsnet-alert 13552] Re: SV Ari: superhump period

[Gianluca Masi]

ps: combing both the datasets, a period search provides a candidate for 
Psh= 1.332(4) hours.



Gianluca Masi ha scritto:
> Dear Colleagues,
> 
> I followed up this target after my initial note reporting the discovery 
> of superhumps.
> 
> Tonight, superhumps are well defined, the modulation is 0.2 mags large, 
> with the star at about mag. 15.6, unfiltered. Tonight data, covering 1.9 
> hours, provide a Psh estimate of 1.31(0.05) hours.
> 
> I managed to re-reduce my very first data, where the SU UMa nature of 
> this star was found, adding a few more frames grabbed at twilight, but 
> still usable. The revised Psh from this first dataset is 1.39 hours.
> 
> The star faded of 0.1 mags from the first night (48 hours earlier).
> 
> Data will be send to Kyoto for analysis.
> 
> Regards,
> Gianluca
> 
>