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Created by Carl Schaffer@schafferOwner

clean GRIS header

After discussing with Manolo and Carlos while working on the slit orientation issue I found out that some of the values we are propagating in the GRIS header are not correct, they might:

  • be historic values such as SLITORIE which do not have a well-defined or obvious function
  • be values that apply only to observations but not single slit positions (e.g. AZIMUT, ELEVATION)
  • be unreliable due to different ephemerides code used for producing them/not be compliant with the telescope's definitions (again AZIMUTH)

For fully consistent headers, we would need to go through each value, assess the definition and validity, document that and throw out all confusing values.