Fig. 3
Correlation between the FUVG and the NUVG flux density of M4-M5 stars. The yellow dashed line is the least-squares fit of the data points. The redpoint shows the position of LHS 1140 as obtained through our measure of the NUVG flux density (Sect. 2). The shaded regions mark the 1σ and 3σ dispersion (measured perpendicular to the best fit line) of the data points.
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