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Fig. 2
Lomb-Scargle periodogram of the differential light curve of GJ 1214. The black line gives the combined data set B+V from 2014 to 2016, the dotted, short dashed, long dashed, and dashed-dotted lines shows the result for the B+V data of individual years 2013, 2014, 2015, and 2016, respectively.
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