Multiple populations in Trumpler 20: stellar rotation or differential reddening? (New Paper)

The effects of differential reddening and stellar rotation  on the appearance of multiple populations in star clusters: the case of Trumpler 20.

I. Platais, C. Melo, S. N. Quinn, J. L. Clem, S. E. de Mink, A. Dotter, V. Kozhurina-Platais, D. W. Latham, A. Bellini.

Accepted by ApJ Letters, Dec 2011