Data Reduction Frequently Asked Questions

I have a standard star in my DataSet but it is not found in the standard star catalog. Why?

Most likely you have one of the old UVES standard stars, for which no fine sampled high resolution reference data exist. If you have to use this specific star you can find the catalog and a table with fit points at:

Please be aware that these data are not well suited for the response determination (see next question for details).