Hatena::Groupkanatatmp

KANATA ObsLog

2011-02-21

[] OJ 287 : Recent behavior

f:id:kanataobslog:20110222020416p:image

We update the data of OJ 287. The object showed a violent variability. The amplitude of the magnitude since JD 2455000 was about 2 mag. The figure shows the light curve in the V band and the V-J color variation.