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| Paper: |
Modes of High Degrees for Collapsing Galaxies: Formation of Globular Cluster Systems |
| Volume: |
316, Order and Chaos in Stellar and Planetary Systems |
| Page: |
377 |
| Authors: |
Nuritdinov, S.N.; Tadjibaev, I.U.; Mirtadjieva, K.T. |
| Abstract: |
Up to now the problems of an origin and early evolution stage of galaxies and their subsystems are basically studied by numerical experiments. Theoretical research of the formation problem of the globular cluster systems (GCSs) and nonlinearly nonstationary stages of their evolution requires, first of all, construction of exact analytically solvable models of early evolution stages of galaxies and revealing the instabilities on a background of their non-equilibrium states. In this work we look for instability conditions of formation of GCS at an early stage of collapsing protogalaxy relatively to the oscillation modes of the high degrees which correspond to rather small-scale perturbations of density of collapsing system. Thus the mode degree defines in average the number of clusters in the GCS. The formation process of the GCS covers a long period of time as one begins from a dark matter state at least. So far it is difficult to simulate formation of galaxy and its GCS ab initio. That is why it is important to find initial conditions for formation of the GCS. Here the preliminary results of the analysis of the problem of modes of high degrees are given. |
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