Collision strengths and transition probabilities for Co III forbidden lines

Storey, P. J. and  Sochi, Taha

AA(Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK t.sochi@ucl.ac.uk), AB(Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK)

In this paper we compute the collision strengths and their thermally averaged Maxwellian values for electron transitions between the 15 lowest levels of doubly ionized cobalt, Co2+, which give rise to forbidden emission lines in the visible and infrared region of spectrum. The calculations also include transition probabilities and predicted relative line emissivities. The data are particularly useful for analysing the thermodynamic conditions of supernova ejecta.

See paper -> http://esoads.eso.org/abs/2016MNRAS.459.2558S

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