Volume 1, Number 2 (4-1997)                   IJPR 1997, 1(2): 103-109 | Back to browse issues page


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J. Ghanbari, A. Khesali. A Model for the Dynamical and Ionization Structure of Planetary Nebula IC 418. IJPR. 1997; 1 (2) :103-109
URL: http://ijpr.iut.ac.ir/article-1-316-en.html

Abstract:   (12978 Views)

  The interacting two winds model and a spherical density distribution function are introduced to study the dynamical and ionization structure of the planetary nebula IC 418. A fast wind with a mechanical luminousity  2/34×1034erg.s-1 of interacts with a super wind with a mass-loss rate of  2×10-5M(°)yr-1 and  a velocity of 10 , and produces a dense and luminous medium.

  In this model, the expansion velocities of OI and HI lines are predicted to be 11 and 10.5kms-1 , respectively. The calculated dynamical time-scale 1033yr for the nebula is in good agreement with the evolution time of the central star after the interaction of the two winds. Our calculations give a luminosity  0.05M(°)of for the central star

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Type of Study: Research | Subject: general

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