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Stellar model atmospheres with magnetic line blanketing
O. Kochukhov, S. Khan, D. Shulyak
Model atmospheres of A and B stars are computed taking into account magnetic line blanketing. These calculations are based on the new stellar model atmosphere code LLModels which i…
Indirect imaging of nonradial pulsations in a rapidly oscillating Ap star
O. Kochukhov
Many types of stars show periodic variations of radius and brightness, which are commonly referred to as `stellar pulsations'. Observed pulsational characteristics are determined b…
The null result of a search for pulsational variations of the surface magnetic field in the roAp star gamma Equulei
O. Kochukhov, T. Ryabchikova, J. D. Landstreet +1
We describe an analysis of the time-resolved measurements of the surface magnetic field in the roAp star gamma Equ. We have obtained a high-resolution and high S/N spectroscopic ti…
No magnetic field variation with pulsation phase in the roAp star gamma Equulei
O. Kochukhov, T. Ryabchikova, N. Piskunov
We present an analysis of 210 high-resolution time-resolved spectropolarimetric observations of the roAp star gamma Equ obtained over three nights in August and September 2003. Rad…