[vsnet-alert 13048] ER UMa: negative superhumps at minimum

[Ohshima]

ER UMa: negative superhumps in the last normal outburst

 We have received further observations from Osaka Kyoiku Univ., Josch
Hambsch, Crimean Astrophy. Obs. (observer: Oksana Antonyuk and Elena 
Pavlenko), Tom Krajci, Jani Virtanen. 
 According to these data, ER UMa was at minimum on March 29. Negative
superhumps with the amplitude of ~ 0.8 mag were seen. It seems that the next
normal outburst will occur within several days.
 Further obsevations are required.