ESO Archive Frequently Asked Questions

How can I make use of the Phase 3 1d spectra written in the ESO Science Data Product spectral tabular format?

You downloaded 1d spectra via one of the Phase 3 interfaces, but you are not used to the FITS format adopted. In this case, please visit the 1d spectrum help page where you will find information on:

  • the spectral tabular format,
  • the tools that can be used to display/analyse those spectra
  • how to read and/or display those spectra in various programming languages