Hatena::Groupkanatatmp

KANATA ObsLog

2009-05-14

[] SN 2009dc : Update

f:id:kanataobslog:20090515004415p:image

We update the light curve of the peculiar Type Ia SN 2009dc. The photometric results indicated that I-band light curve may begin to rise to secondary maximum. In another peculiar Type Ia SN 2006gz, the secondary maximum is not seen. But, if the secondary maximum is confirmed, the maximum timing may be another luminosity indicator (Kasen 2006). We will continue to observe this peculiar object.

blazar OJ 287 : High polarization state

f:id:kanataobslog:20090514201247p:image

The figure shows the light curve and the temporal variation of the polarization degree in V band. The brightness of the object has been risen since JD 2454950. The polarization degree has been high since JD 2454930, and reachs about 35 %.