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ChiantiPy: a Python package for Astrophysical Spectroscopy

Will T. Barnes
Department of Physics and Astronomy, Rice University, Houston, TX, USA

Kenneth P. Dere
Department of Physics and Astronomy, George Mason University, Fairfax, VA, USA

Abstract

ChiantiPy is an interface to the CHIANTI atomic database for astrophysical spectroscopy. The highly-cited CHIANTI project, now in its 20th year, is an invaluable resource to the solar physics community. The ChiantiPy project brings the power of the scientific Python stack to the CHIANTI database, allowing solar physicists and astronomers to easily make use of this atomic data and calculate commonly used quantities from it such as radiative loss rates and emissivities for particular atomic transitions. This paper will discuss the capabilities of the CHIANTI database and the ChiantiPy project as well as the current state of the project and its place in the solar physics community. We will demonstrate how the core modules in ChiantiPy can be used to study emission from optically thin transitions and the continuum in the x-ray and EUV wavelengths. Additionally, we will discuss some of the infrastructure around the ChiantiPy project and some of the goals for the near future.

Keywords

solar physics, atomic physics, astrophysics, spectroscopy

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