Hatena::Groupkanatatmp

KANATA ObsLog

2008-12-24

[]S2 0109+224 : light curve and color

f:id:kanataobslog:20081224224047p:image

We continue the observation of S2 0109+224. The object has the large amplitude of the variability. The V-J color seems to correlate with the flux, it is bluer when the object is brighter.

[]OJ 287 : update the data

f:id:kanataobslog:20081224223923p:image

We update the data of OJ 287. The object has been faint. The V-J color seems correlate with the flux.