Yes, these will be available to surveys and include:

  • Raw FITS frames containing calibration and science data which will be produced at the telescope together with associated quality tables - Level 0 (L0) data - will be available from the ESO archive only
  • Level 1 (L1) data - 1D calibrated, science-ready spectra and all useful ancillary data produced during L1 processing will be accessible through the 4MOST Public Archive (4PA)
  • Calibration database, i.e. all master calibration files such as CCD flats, fiber flats, etc., will  be accessible through 4PA