[vsnet-alert 13018] ER UMa : negative superhumps at minimum

[Ohshima]

ER UMa : fading and negative superhumps

 We have further observations from Okayama Univ. of Sci., Josch
Hambsch, Osaka Kyoiku Univ., Crimean Astrophy. Obs. (Observer:
Denis Samsonov), Enrique de Miguel, Tom Krajci, and Pavol A.
Dubovsky. Obatiend data show that ER UMa has been at minimum for
recent two days. Clear negative superhumps are seen. Using data
after the end of superoutburst, 0.062569(4) d is obtained.
 It is unclear how long this negative superhumps last. Further
observations are continuously required!