EMAA is a database for line radiative transfer studies in the radio and infrared spectral ranges. It includes collisional and spectroscopic data for atoms and molecules of astrophysical interest.

What's new ?

August 4th, 2025

Added datafiles for hyperfine excitation of HCN by para- and ortho-H₂ at high temperature (Goicoechea et al. 2022).

August 1st, 2025

Added datafiles for rotational excitation of HCN by para- and ortho-H₂O (Zoltowski et al. 2025).

July 31th, 2025

Added datafiles for rotational excitation of CS by CO (Godard Palluet et al. 2025).