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After a fresh install, I've run the UVES example and uncommented all the reduction steps without any other modification. The final products has strong artifacts that seem to arise from a normalisation gone completely wrong (see attached figure).
File run: original uves_example.py with comments removed:
Top panel: extracted spectrum, where you can clearly see the impact of blaze in each order.
Middle panel: blaze (and its normalisation)
Bottom panel: final spectrum, which should have been normalised, i.e. spectrum should be approximately flat. If it is not normalised it should feature something similar to previous steps with a typical blaze pattern (roughly bell shaped, like both panels above) but it's not the case. (Pixel number instead of wavelength to avoid overlapping for the sake of clarity.)
After a fresh install, I've run the UVES example and uncommented all the reduction steps without any other modification. The final products has strong artifacts that seem to arise from a normalisation gone completely wrong (see attached figure).
File run: original
uves_example.py
with comments removed:Figure script
The result is in the attached picture.
System:
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