VoigtFit: A Python package for Voigt profile fitting

Understand

I present a Python package developed for fitting Voigt profiles to absorption lines.

• The software fits multiple components for various atomic lines simultaneously allowing parameters to be tied and fixed.
• Moreover, the code is able to automatically fit a polynomial continuum model together with the line profiles.
• Lastly, a physical model can readily be used to constrain thermal and turbulent broadening of absorption lines as well as implementing molecular excitation models.