Distribution of near-IR colors for those stars meeting the positional and proper motion criteria for cluster membership. Plus signs mark those that are probable, main-sequence members, while × signs are used for the rest of the sample. The solid and dashed lines represent the values for the cluster isochrone for no reddening and E( B − V) = 0.37, respectively. The numbers beside the unreddened isochrone indicate the stellar masses at the terminal points and at the origin of the reddening trajectory (dotted line). Stars below the dotted line are candidate massive stars ( M>1.4  M _☉).