Browsing by Subject "Binary stars"

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  • Analysis of fundamental parameters for V477 Lyr 
    Shimansky V.; Pozdnyakova S.; Borisov N.; Bikmaev I.; Galeev A.; Sakhibullin N.; Spiridonova O. (2008)
    We analyze the photometric and spectroscopic observations of the young pre-cataclysmic variable (pre-CV) V477 Lyr. The masses of both binary components have been corrected by analyzing their radial velocity curves. We show ...
  • Non-LTE effects for Na I lines in X-ray illuminated stellar atmospheres 
    Sakhibullin N.; Shimansky V. (2000)
    The formation of Na I lines in X-ray illuminated atmospheres is investigated by abandoning the assumption of local thermodynamic equilibrium (LTE). Calculations are performed on the basis of a 21-level Na I model atom for ...

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