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Table · dataset · 2013

UBVI light curves of FK Com

Listed in IVOA Registry (Virtual Observatory)

We apply the continuous period search and carrier fit methods on long-term standard Johnson-Cousins V-observations from the years 1995-2010.

Description

The observations were carried out with two automated photometric telescopes, Phoenix-10 and Amadeus T7 located in Arizona. We identify complex phase behaviour in 6 of the 15 analysed data segments.

We identify five flip-flop events and two cases of phase jumps, where the phase shift is {Delta}{phi}<0.4. In addition we see two mergers of spot regions and two cases where the apparent phase shifts are caused by spot regions drifting with respect to each other. Furthermore we detect variations in the rotation period corresponding to a differential rotation coefficient of |k|>0.031.

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