[vsnet-alert 12899] ER UMa : clearly shorter negative superhump appeared

Ohshima ohshima at kusastro.kyoto-u.ac.jp
Sat Feb 26 04:28:39 JST 2011


ER UMa : clearly shorter negative superhump appeared!


  We have received further pbservations from Akazawa-san, de Miguel,
Krajci, and Stein. According to these data, the period change at the
start of this outburst is clear. The refined superhump period after
Feb 23 7:00 GMT, 0.06205 (4) d. Further observations are strongly
encouraged!


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