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Fig. 2


Typical features in the light curve of HD 51844. The full amplitude of the cycles is in a 0.015 mag range. The ten-day long beat is caused by two/three dominant modes. Fits with four (black dashed line) and 115 (white continuous line) frequencies are given in the zoomed panels. Observational points are given by large size grey filled circles, serving as a background for the fit with 115 frequencies.

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