75 citations · 190 across the 8 of their papers we have counts for
8 papers
Accelerating Atomic Fine Structure Determination with Graph Reinforcement Learning
M. Ding, V. -A. Darvariu, A. N. Ryabtsev +2
Atomic data determined by analysis of observed atomic spectra are essential for plasma diagnostics. For each low-ionisation open d- and f-subshell atomic species, around fin…
Spectrum and energy levels of the high-lying singly excited configurations of Nd III
M. Ding, A. N. Ryabtsev, E. Y. Kononov +2
Fourier transform spectra of Nd Penning and hollow cathode discharge lamps were recorded within the region 32,500-54,000 cm (3077-1852 Å) and grating spectra of Nd vacuum sl…
The Spectrum and Energy Levels of the Low-lying Configurations of Nd III
Milan Ding, Juliet C. Pickering, Alexander N. Ryabtsev +2
Emission spectra of neodymium (Nd, Z=60) were recorded using Penning and hollow cathode discharge lamps in the region 11500-54000 cm (8695-1852 Å) by Fourier transform spect…
Additions to the Spectrum of Fe IX in the 110-200 Å Region
Alexander N. Ryabtsev, Edward Y. Kononov, Peter R. Young
The spectrum of eight-times ionized iron, Fe IX, was studied in the 110-200 Å region. A low inductance vacuum spark and a 3-m grazing incidence spectrograph were used for the excit…
Fe VII emission lines in the wavelength range 193-197 Å
Peter R. Young, Alexander Ryabtsev, Enrico Landi
The identifications of Fe VII emission lines in the wavelength range 193-197 Å are discussed in the light of new measurements of laboratory spectra and atomic data calculations. Th…
Non-LTE effects on the lead and thorium abundance determinations for cool stars
Lyudmila Mashonkina, Alexander Ryabtsev, Anna Frebel
Knowing accurate Pb abundances of metal-poor stars provides constraints on the Pb production mechanisms in the early Galaxy. Accurately deriving Th abundances permits a nucleo-chro…