Электронный архив

Просмотр по теме "line: formation"

Просмотр по теме "line: formation"

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  • A reflection model for the cyclotron lines in the spectra of X-ray pulsars 
    Poutanen J.; Mushtukov A.; Suleimanov V.; Tsygankov S.; Nagirner D.; Doroshenko V.; Lutovinov A. (2013)
    Cyclotron resonance scattering features observed in the spectra of some X-ray pulsars show significant changes of the line energy with the pulsar luminosity. At high luminosities, these variations are often associated with ...
  • Influence of rotation velocity gradient on line profiles of accretion discs of CVs 
    Korčáková D.; Nagel T.; Werner K.; Suleimanov V.; Votruba V. (2011)
    We show the influence of the Keplerian velocity shear on the line profiles of cataclysmic variable discs. The complete disc structure is taken into account. The radial disc structure follows the alpha disc approximation. ...
  • Non-LTE effects in Al I lines 
    Menzhevitski V.; Shimansky V.; Shimanskaya N. (2012)
    We present the theoretical analysis of the Al I line formation in the spectra of late-type stars ignoring the assumption of local thermodynamic equilibrium (LTE). The calculations were based on the 39-level aluminum atom ...

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