Fig. 8
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log(LX/Lbol) vs. logarithmic period for MS stars in our sample; the stars studied by Wright et al. (2011) are indicated by black dots. See text for details. Top panel: stars in the color range 0.2 < BP-RP < 0.59, dubbed early F-type stars. Second panel from top: Stars in the color range 0.59 < BP-RP < 0.78, dubbed late F-type stars. Third panel from top: Stars in the color range 0.78 < BP-RP < 0.97, dubbed G-type stars. Second panel from bottom: Stars in the color range 0.97 < BP-RP < 1.83, dubbed K-type stars. Bottom panel from top: BP-RP > 0.78, M-type stars.
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