PyExoCross: a Python program for generating spectra and cross-sections from molecular line lists

PyExoCross is a Python adaptation of the ExoCross Fortran application, PyExoCross is designed for post-processing the huge molecular line lists generated by the ExoMol project and other similar initiatives such as the HITRAN and HITEMP data bases. PyExoCross generates absorption and emission stick s...

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Veröffentlicht in:RAS techniques and instruments Jg. 3; H. 1; S. 257 - 287
Hauptverfasser: Zhang, Jingxin, Tennyson, Jonathan, Yurchenko, Sergei N
Format: Journal Article
Sprache:Englisch
Veröffentlicht: London Oxford University Press 01.01.2024
Schlagworte:
Automation
Cooling
Cross-sections
Datasets
Spectrum analysis
Software
Line Profiles
Molecular Data
Cross-sections – ExoMol
Exoplanets
ISSN:2752-8200, 2752-8200
Online-Zugang:Volltext
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Zusammenfassung:PyExoCross is a Python adaptation of the ExoCross Fortran application, PyExoCross is designed for post-processing the huge molecular line lists generated by the ExoMol project and other similar initiatives such as the HITRAN and HITEMP data bases. PyExoCross generates absorption and emission stick spectra, cross-sections, and other properties (partition functions, specific heats, cooling functions, lifetimes, and oscillator strengths) based on molecular line lists. PyExoCross calculates cross-sections with four line profiles: Doppler, Gaussian, Lorentzian, and Voigt profiles in both sampling and binned methods; a number of options are available for computing Voigt profiles which we test for speed and accuracy. PyExoCross supports importing and exporting line lists in the ExoMol and HITRAN/HITEMP formats. PyExoCross also provides conversion between the ExoMol and HITRAN data formats. In addition, PyExoCross has extra code for users to automate the batch download of line list files from the ExoMol data base.
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ISSN:2752-8200
2752-8200
DOI:10.1093/rasti/rzae016