Hatena::Groupkanatatmp

KANATA ObsLog

2010-05-14

[] RXJ 1542.8+6129? Light curve and temporal variation of a polarization degree

f:id:kanataobslog:20100514195622p:image

The figure shows the light curve and the temporal variation of the polarization degree of RXJ 1542.8+6129? in V band. The flux of the object was variable and the amplitude of the magnitude in the range of the figure was about 0.6 mag. The object has, recently, been bright. The polarization degree was from 0 to 12 %.

[] PG 1553+113? : Update the data

f:id:kanataobslog:20100514194354p:image

The figure shows the light curve and the temporal variation of the object in V band. The object had been bright from JD 2455220 to 2455310. The amplitude of the magnitude for this term was about 0.6 mag. After JD 2455310, the object has been faded. On the way of fading, the polarization degree had suddenly been high to 8 % in JD 2455323, and the polarization degree became low.

[] 3C 279 : Update the data

f:id:kanataobslog:20100514193518p:image

We update the light curve and the temporal variation of the polarization degree of the object in V band. The object has been faint since JD 2454920. The polarization degree has become high in the latest data, about 25 %.