[vsnet-alert 13085] ER UMa : return to minimum

Ohshima ohshima at kusastro.kyoto-u.ac.jp
Tue Apr 5 05:33:58 JST 2011


ER UMa : return to minimum

 We have further observations from Akazawa-san, Okayama Univ. of Sci., 
Sergey Shugarov, Crimean Astrophy. Obs. (observer: Oksana Antonyuk).
 And we (Kyoto-team) also observed this object.
 According to the newest observations, this obejct was returning to the 
minimum. The newest observations (We had taken until 3 hours ago) implies
that this object was at minimum. It is a little interesting that the amplitude
of negative superhumps is a little smaller (~0.5 mag) than that at the previous
minima.

 Further observations are required!


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