Multiple Sequences of M-dwarfs in NGC 2808 and Omega Centauri
  The infrared channel of the Wide-Field Camera 3 on the Hubble Space Telescope revealed multiple main sequences of very low-mass stars in the globular clusters NGC 2808 and Omega Centauri. In this paper I summarize the observational facts and provide a possible interpretation. 
A. P. Milone
astro-ph.SR astro-ph.GA