111 citations · 476 across the 6 of their papers we have counts for
4 papers · 1 filter
Ca line formation in late-type stellar atmospheres: I. The model atom
Y. Osorio, K. Lind, P. S. Barklem +2
Context. Departures from local thermodynamic equilibrium (LTE) distort the calcium abundance derived from stellar spectra in various ways, depending on the lines used and the stell…
Mg line formation in late-type stellar atmospheres: I. The model atom
Y. Osorio, P. S. Barklem, K. Lind +4
Mg is often traced in late-type stars using lines of neutral magnesium, which is expected to be subject to departures from LTE. The astrophysical importance of Mg as well as its re…
Inelastic Mg+H collision data for non-LTE applications in stellar atmospheres
P. S. Barklem, A. K. Belyaev, A. Spielfiedel +2
Rate coefficients for inelastic Mg+H collisions are calculated for all transitions between the lowest seven levels and the ionic state (charge transfer). The rate coefficients are…
On inelastic hydrogen atom collisions in stellar atmospheres
P. S. Barklem, A. K. Belyaev, M. Guitou +3
The influence of inelastic hydrogen atom collisions on non-LTE spectral line formation has been, and remains to be, a significant source of uncertainty for stellar abundance analys…