Fig. 2.
Inverse Spitzer 8 μm image showing the location of the 57 stars (dots) observed in Cygnus OB2, and the selected OB slow rotators (yellow dots) suitable for the abundance analysis. The solid line circle indicates the 1 deg. Cygnus OB2 area adopted in this work, and the four dashed line circles the observed AF2/WYFFOS fields. For reference, the red star indicates the location of the Cyg OB2 #8 Trapezium-like system.
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