Hatena::Groupkanatatmp

KANATA ObsLog

2009-05-04

[] 3C 273 ; Update the data

f:id:kanataobslog:20090505010434p:image

3C 273 is one of the most famous blazar. The object has been observed since 11 Dec. 2008. The figure shows the light curve and the temporal variation of the polarization degree in V band of the object. The brightness was varied. The amplitude of the magnitude was about 0.2 in V band. The polarization degree was less than 1%.

[] PKS 1510-089 : update the data

f:id:kanataobslog:20090505005145p:image

The figure shows the light curve in V band and the V-J color variation of the object. Recently, the object has not varied. The brightness is about V~15.7. On the other hand, the V-J color has become bluer since JD~2454945.