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2 results

  • Modelling the structure of the hot components in symbiotic binaries during outbursts

  • Zuzana Cariková, Augustin Skopal
  • Journal:
    Proceedings of the International Astronomical Union / Volume 8 / Issue S290 / August 2012
    Published online by Cambridge University Press:
    21 February 2013, pp. 189-190
    Print publication:
    August 2012
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  • During outbursts in symbiotic binaries a neutral medium in the form of a flared disk develops around their hot stars. The appearance of the disks is most probably connected with the enhanced wind from the hot star. The wind is compressed towards the equatorial plane of the hot star due to its rotation. To test this idea we calculated the ionization boundaries in the enhanced wind and thus confirmed the possibility of the formation of the neutral disk-like zones around the hot stars in symbiotic binaries during outbursts.

  • Creation of Neutral Disk-like Zone Around the Active Hot Star in Symbiotic Binaries

  • Zuzana Cariková, Augustin Skopal
  • Journal:
    Proceedings of the International Astronomical Union / Volume 7 / Issue S282 / July 2011
    Published online by Cambridge University Press:
    23 April 2012, pp. 265-266
    Print publication:
    July 2011
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  • We investigated the ionization structure of symbiotic binaries during their active phases. We found that a neutral disk-like zone around the hot star can be created as a result of its enhanced wind and fast, 200 - 300 km s−1, rotation. Calculated column densities of the neutral hydrogen atoms throughout the neutral zone and emission measures of the ionized part of the wind from the hot star are in a good agreement with those derived from observations.