A young stellar cluster around a massive protostar revealed by ALMA

Here we present 1.1 mm ALMA observations at a very high angular resolution of a high mass star forming region. The high angular resolution and high dynamic range allows to reveal a young stellar cluster of low mass YSO near a massive protostellar object. Most of the sources detected has no counterpart at other wavelengths (the IR is dominated by the bright emission of the massive/intermediate young stars, which mask the emission of the low mass YSO). A description of the properties of the low mass YSO will be given (e.g., disks mass distribution, disk sizes)