[vsnet-alert 13975] VW Hyi: 'phase shift' occurred

Ohshima ohshima at kusastro.kyoto-u.ac.jp
Sun Dec 18 04:04:49 JST 2011


VW Hyi: 'phase shift' occurred

 We have received further observations from Josch
Hambsch. The phase shift occurred again around Dec 
16. As far as ther observations obtained in this day,
mutiple humps were seen. Naturally phase shift is 
due to the blend of orbital hump and the superhump,
not real change of the superhump position. 
This 'shifts' seem to be seen in the phase where the
amplitude of humps is the smallest.
 Further observations are still encouraged!


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