The 4A/OP software

New : The current distributed version is the V2.4 (2025). It includes:

  • the latest updates (spectroscopic database, continuum, …) and improvements (scattering with the LSI method, fluorescence, line mixing of H2O, …)
  • Reference Documentation and Quick Start Guide
  • Graphical User Interface (GUI)

License :

Open-Source software, licensed under LGPL

Programming Language :

Mainly standard Fortran 90, tested with several Fortran 90 compilers (PGI, Intel, GNU)

Documentation :

Maintenance and assistance :

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