Search academic texts

Information × Registration Number 0218U006018, 0113U001365 , R & D reports Title Some problems of spectral diagnostics of the Sun and stars popup.stage_title Head Skulsky Mykhailo Yulianovych, Registration Date 06-03-2018 Organization Lviv Polytechnic National University popup.description2 Based on the observations of the most powerful telescopes in Europe of the well-known interacting system of Beta Lyrae, the analysis of its spectra, the simulation of bright curves, absolute spectroscopy and off-atmospheric space research, the modern model of its physical nature is reproduced. In particular, the specifical configuration of the magnetic field of a donor with an axis that is deflected relative to the axis of gravity directed along component centers is important. This forms the circumstellar gas structures, their dynamics and energetics in the active phase of mass exchange between the components. The inverse problem is solved for the diagnostics of the heterogeneous atmosphere of the Sun by the profiles of its spectral lines using recall functions with the condition of the best agreement of theoretical profiles with the experimental ones. The dynamics of internal waves of gravity in the solar atmosphere is investigated. The questions of the possible nature and origin of the five-minute oscillations of the brightness of the Sun and the latter are shown to arise as a result of scattering of low physical harmonics in solar granulation with subsequent interference.5481 Product Description popup.authors Скульський М.Ю. popup.nrat_date 2020-04-02 Close