Hatena::Groupkanatatmp

KANATA ObsLog

2009-04-30

[] PKS 1502+106 : Bright

f:id:kanataobslog:20090501012719p:image

PKS 1502+106 is one of the brightest blazar in gamma-ray region. The figure shows the light curve in V band and the V-J color variation. The object has recently been bright since JD 2454850. The V-J color was about 2.4. Compared with the color during JD 2454700, the object has become redder.

[] SN 2009an: The light curve has already been a "Co decay" phase.

f:id:kanataobslog:20090430232425p:image

We have performed B,V,Rc,Ic-band photometric observations for normal Type Ia SN 2009an. We showed the light curve in the figure. The all band magnitudes are decreasing according to a radioacitve decay of Co^56. We will continue the observation for this object.

[] SN 2009dc : Update

f:id:kanataobslog:20090430212906p:image

The light curve of SN 2009dc was updated.