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Fig. 24


Ratio between the normalization of the soft and hard components of the best fit 2T thermal plasma model vs. the corresponding soft temperature of the X-ray spectra of the non-accreting stars (Class III and Class II objects with passive disks) and that observed in stars with optical bursts in the time intervals with bursts (upper panel) and in those with no bursts (bottom panel).

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

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