Astrometric confirmation of young low-mass binaries and multiple systems in the Chamaeleon star-forming regions
N. Vogt, T. O. B. Schmidt, R. Neuhäuser, A. Bedalov, T. Roell, A. Seifahrt, M. Mugrauer
http://arxiv.org/abs/1204.3332
The Low-mass Stellar Population in L1641: Evidence for Environmental Dependence of the Stellar Initial Mass Function
Wen-Hsin Hsu, Lee Hartmann, Lori Allen, Jesus Hernandez, S. T. Megeath, Gregory Mosby, John J. Tobin, Catherine Espaillat
http://arxiv.org/abs/1204.3704
