169 citations · 820 across the 24 of their papers we have counts for
4 papers · 1 filter
Scandium abundances of F-G-K dwarf stars in a wide metallicity range
L. Mashonkina, A. Romanovskaya
A new model atom of Sc II was constructed using the most up-to-date atomic data. For the testing purpose, the non-local thermodynamic equilibrium (non-LTE) calculations were carrie…
Non-LTE abundances of zinc in different spectral type stars and the Galactic [Zn/Fe] trend based on quantum-mechanical data on inelastic processes in zinc-hydrogen collisions
T. M. Sitnova, S. A. Yakovleva, A. K. Belyaev +1
We present a new model atom of Zn I-II based on the most up-to-date photoionisation cross-sections, electron-impact excitation rates, and rate coefficients for the Zn I + H I and Z…
Detailed abundances of the wide pairs of stars with and without planets: the binary systems 16 Cyg and HD 219542
T. Ryabchikova, Yu. Pakhomov, L. Mashonkina +1
We present results of the comparative analysis of the two wide binary systems -- 16 Cyg, with a giant gas planet orbiting around 16 Cyg B, and HD 219542 without planet detected. At…
Non-LTE analysis of the Si II lines in iota Her with various atomic data sets
L. Mashonkina, T. Sitnova, S. Korotin
This study shows that the statistical equilibrium of Si II in the atmosphere of a B3 IV type star iota Her is extremely sensitive to a variation in photoionization cross-sections f…