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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/027/04/0389-0397

    • Keywords

       

      Galaxies: orbits; regular and chaotic motion

    • Abstract

       

      The role of the angular momentum in the regular or chaotic character of motion in an axially symmetric quasar model is examined. It is found that, for a given value of the critical angular momentumLzc, there are two values of the mass of the nucleusMn for which transition from regular to chaotic motion occurs. The [Lzc– Mn] relationship shows a linear dependence for the time independent model and an exponential dependence for the evolving model. Both cases are explained using theoretical arguments together with some numerical evidence. The evolution of the orbits is studied, as mass is transported from the disk to the nucleus. The results are compared with the outcomes derived for galactic models with massive nuclei.

    • Author Affiliations

       

      N. J. Papadopoulos1 N. D. Caranicolas1

      1. Department of Physics, Section of Astrophysics, Astronomy and Mechanics, University of Thessaloniki, Thessaloniki - 541 24, Greece
    • Dates

       
  • Journal of Astrophysics and Astronomy | News

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