Fig. 9
Diagram of 
– (B − V) showing the stars of the full DUNES sample with d ≤ 20 pc (cyan squares). The stars identified as having far-IR excess in E13 and in this paper are plotted as diamonds with a size proportional to the value of the fractional dust luminosity. In grey, in the background, the samples of data by Henry et al. (1996) and Gray et al. (2006).
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