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Fig. 3


Example observations of DW Lyn from October 21, 22, and 23, 2010 at the Lulin observatory (left, from top to bottom), combined used as one O–C measurement. The error bar on the left of each plot represents the photometric al uncertainty. The red line shows the simultaneous two frequency fits to the epoch data. The amplitude spectra on the right hand side show the spectrum of the full data set (top), the spectrum of this epoch (middle) and the respective window function computed at f1.

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