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Fig. 8


Left panel: X-ray luminosity vs. rotational period for h Per members of different mass. Right panel: fractional X-ray luminosity vs. Rossby number for h Per members of different mass. In both cases gray lines mark the best fit corresponding to intervals in which the two quantities have a significant correlation (confidence level higher than 99%), with red dashed lines indicating the highest significant cases for both positive and negative correlation.

This figure is made of several images, please see below:

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