STREGA: STRucture and Evolution of the GAlaxy – I. Survey overview and first results★
STREGA: STRucture and Evolution of the GAlaxy – I. Survey overview and first results★
STREGA (STRucture and Evolution of the GAlaxy) is a guaranteed time survey being performed at the VST (the ESO Very Large Telescope Survey Telescope) to map about 150 square degrees in the Galactic halo, in order to constrain the mechanisms of galactic formation and evolution. The survey is built as …