Abstract
In recent years, the high quality observational data returned by space based observatories, such as Hubble, has highlighted the need for highly accurate atomic data. There is no doubt that this situation will be further emphasised by the launch of future space missions such as FUSE.Atomic f-values are needed to analyse the observed data. Therefore, the accuracy of the results of this analysis relies heavily on the accuracy of both the atomic and the observed data. In the majority of cases, it has been the inaccuracy of the atomic f-values which has hampered analysis.Systematic calculations have been performed for a number of transitions in neutral sulphur using the Superposition of Configurations (SOC) approach with the code CIV3 (A Hibbert 1975 Comput. Phys. Commun. 9 141). Preliminary f-values for both allowed and semi-forbidden intersystem lines are presented.
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