Fig. 8

Inverse 2MASS J-filter image showing a 10′ FoV of Trumpler-14, with the position and name of O-type stars in the sample assigned to the cluster (see Sects. 5.3.1 and 5.3.2 for further details). Different colors represent different status: green represents stars with spectroscopic parameters, magenta are SB2 stars for which no quantitative analysis is possible, and red marks stars without high-resolution spectra.
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