Galactic Archeology with 4MOST

S. Feltzing, T. Bensby, M. Bergemann, C. Chiappini, N. Christlieb, M. R. Cioni, A. Helmi, M. Irwin, I. Minchev, E. Starkenburg, R. De Jong

Research output: Contribution to journalArticle


4MOST is a new wide-field, high-multiplex spectroscopic survey facility for the VISTA telescope of ESO. Starting in 2022, 4MOST will deploy 2400 fibres in a 4.1 square degree field-of-view using a positioner based on the tilting spine principle. In this contribution we give an outline of the major science goals we wish to achieve with 4MOST in the area of Galactic Archeology. The 4MOST Galactic Archeology surveys have been designed to address long-standing and far-reaching problems in Galactic science. They are focused on four major themes: 1) Near-field cosmology tests, 2) Chemo-dynamical characterisation of the major Milky Way stellar components, 3) The Galactic Halo and beyond, and 4) Discovery and characterisation of extremely metal-poor stars. In addition to a top-level description of the Galactic surveys we provide information about how the community will be able to join 4MOST via a call for Public Spectroscopic Surveys that ESO will launch.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalProceedings of the International Astronomical Union
Issue numberS334
Publication statusPublished - 2017

Subject classification (UKÄ)

  • Astronomy, Astrophysics and Cosmology
  • Embedded Systems


  • Galaxy: abundances
  • Galaxy: bulge
  • Galaxy: disk
  • Galaxy: evolution
  • Galaxy: halo
  • Galaxy: structure
  • Magellanic Clouds


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