Hatena::Groupkanatatmp

KANATA ObsLog

2009-09-17

[] 3C 454.3 : Update the data

f:id:kanataobslog:20090917204133p:image

f:id:kanataobslog:20090917204130p:image

These figures show the light curve, the V-J color variation and the temporal variation of the polarization degree in V band. In Sep 15, 2009, the object was bright in gamma-ray region (ATel #2200). The V-J has recently become red compared with that around JD 2455000. The polarization degree has been variable between 0% and 12% for the last 130 days.