A new visual -- near-infrared diagnostic to estimate the metallicity of cluster and field dwarf stars
Annalisa Calamida (OAR-INAF), M. Monelli, A. P. Milone (IAC), G. Bono (Univ. Tor Vergata), A. Pietrinferni (OACTe-INAF), E. P. Lagioia (Univ. Tor Vergata)
http://arxiv.org/abs/1207.3662
Astrometric and photometric mass functions of the old open cluster Praesepe from the UKIDSS GCS
S. Boudreault (1,2), N. Lodieu (1,2), N. R. Deacon (3), N. C. Hambly (4) ((1) Instituto de Astrofisica de Canarias, (2) Universidad de La Laguna, (3) Max-Planck-Institute fur Astronomie, (4) University of Edinburgh)
http://arxiv.org/abs/1207.4040
Discovery of an Unusually Red L-type Brown Dwarf
John E. Gizis, Jacqueline K. Faherty, Michael C. Liu, Philip J. Castro, John D. Shaw, Frederick J. Vrba, Hugh C. Harris, Kimberly M. Aller, Niall R. Deacon
http://arxiv.org/abs/1207.4012