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Ce II-IV emission in kilonovae with R-matrix collision strengths and distorted wave recombination rates
Leo Patrick Mulholland, Niamh Ferguson, Luke J. Shingles +3
We provide transition probabilities and Maxwellian-averaged collision-strengths for the electron-impact excitation of Ce {\sc ii} - {\sc iv}. These ions are potentially abundant in…
Electron impact excitation of Te IV and V and Level Resolved R-matrix Photoionization of Te I - IV with application to modelling of AT2017gfo
Leo P. Mulholland, Catherine A. Ramsbottom, Connor P. Ballance +2
Spectral modelling of kilonovae (KNe) require large amounts of collisional excitation and photoionization atomic data for lowly ionised (neutral, singly and doubly ionised) species…
On the use of the Axelrod formula for thermal electron collisions in Astrophysical Modelling
Leo P. Mulholland, Steven J. Bromley, Connor P. Ballance +2
The Axelrod approximation is widely used in astrophysical modelling codes to evaluate electron-impact excitation effective collision strengths for forbidden transitions. Approximat…