[vsnet-alert 12986] ER UMa positive superhumps

[Ohshima]

ER UMa positive superhumps

 We have received further observations from Akazawa-san,  Terskol team
(Maksim Andreev, relayed by E. Pavlenko), Shiokawa-san, Kasai-san,
Crimean Astroph. Obs. team (observer: ), and Jani Virtanen. According
the newest data, this object was showing positive superhumps around March
14.9. Negative superhumps sees to appear intermittently.
 16 days have passed since this superoutburst started. It is very
interesting how this superoutburst evolve, particularly the behavior of
negative and positive superhumps. Further observations are required!