pahfit
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Model Decomposition for Near- to Mid-Infrared Spectroscopy of Astronomical Sources
A less common but very powerful use of `PAHFIT` is to take a fitted spectrum or spectral average, then _up-res_ the lines to target a different instrument or hypothetical instrument....
Determine extinction based on HI lines, H2 lines to help with the degeneracy of the silicate absorption band and the surrounding PAH bands.
Add in the code philosophy. What is the core of the python version (astropy.modeling)? What capabilities does it enable (e.g., new components, more of the same component, constraining parameters, etc.)?
Incorporate alternative PAH decompositions.
6.0um water ice absorption 6.85um aliphatic hydrocarbon abs feature 7.25um aliphatic hydrocarbon abs feature 16, 19, 23, 28 and 33um crystalline silicate emission/absorption bands
need a tests to check that the api for the astropy.modeling we use does not change.
With the scripts being installed system wide (once PR #51), now possible to run pahfit from any location. But need to know the full path to the model pack files...
Would be good to document how to add a new component model. E.g., add it to component_models.py and add the needed options to creating a combined model and read/write/plot functions.