Hatena::Groupkanatatmp

KANATA ObsLog

2009-04-22

[] OJ 287 : Rising the Polarization Degree

f:id:kanataobslog:20090423014445p:image

The figure shows the light curve of the object (red point) and the temporal variation of the polarization degree (blue point) in V band. The object had recently faded, and the polarization degree in V band rose. The polarization degree reached about 35 %.

[] SN 2009dc : Still Rising !!

f:id:kanataobslog:20090422194341p:image

We performed photometric observations of peculiar Type Ia SN 2009dc. The preliminary results show that the brightness of SN 2009dc is still rising! We will continue more dense observations.

[] PKS 1510-089 : faded and bluered

f:id:kanataobslog:20090422163702p:image

PKS 1510-089 had brightened since JD 2454900. The object reached about V~14.9. The object showed the feature of redder-when-brighter trend, which was redder when the object was bright. The object was faded at JD 2454940.