[vsnet-alert 12896] ER UMa: negative superhump period change

[Ohshima]

ER UMa: negative superhump period change

 We have further observations from Akazawa-san, de Miguel, Virtanen,
Stein, and Krajci. Ths object is declining from the maxima of normal
outburst. As mentioned in the previous mail, the period change seems
to have occurred when the outburst started according to O-C value. 
With data after this outburst, 0.06206 (10) d is obtained.
 Further observations are strongly required!