The Iron Project has the goal of computing, on a large scale, electron excitation cross sections and rates of astrophysical and technological importance, using the most reliable procedures currently available. Many of the techniques and much of the code has been developed in the Department of Applied Mathematics and Theoretical Physics over the last 20 years in collaboration with colleagues all over the world.

TIPbase contains fine-structure atomic data computed for ions of astrophysical interest in the IRON Project: radiative transition probabilities and electron impact excitation cross sections and rates for fine-structure transitions.