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 ?

October 12th, 2026

Added datafiles for rotational excitation of HN13C by He (Dumouchel et al. 2010), para- and ortho-H2 (Hernandez-Vera et al. 2017) and electrons (Faure et al. 2007) at high temperatures.

October 9th, 2026

Added datafiles for rotational excitation of HNC by He (Dumouchel et al. 2010).

September 30th, 2026

Added datafiles for rotational excitation of c-C6H5CN by He (Ben Khalifa & Loreau 2023) and para-H2 (scaled-He).