A suite of Python scripts to fit NH3 lines along a PV slice:
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pvslice.py: Make PV slices using pvextractor, and save in FITS images
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pvdiagram.py: Make PV plots (half-tone images and contours)
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pvfit.py: Fit NH3 spectra along the PV slice pixel by pixel, and save the best-fit temperatures, Vlsr, line widths, etc.
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pvplot_piecewise.py: Plot the best-fit Vlsr (i.e., a nicer PV diagram?), and subtract a piece-wise linear function
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allfilplot.py: Plot the best-fit temperatures and line widths along the PV slice