Butenko M.A., Belikova I.V., Kuzmin N.M., Khokhlova S.S., Ivanchenko G.S., Ten A.V., Kudina I.G. Numerical simulation of the galaxies outer spiral structure: the influence of the dark halo non-axisymmetry on the gaseous disk shape
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https://doi.org/10.15688/mpcm.jvolsu.2022.3.5
Maria A. Butenko
Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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https://orcid.org/0000-0002-0307-6129
100 University ave., 400062 Volgograd, Russian Federation
Iraida V. Belikova
Student, Department of Information Systems and Computer Modeling,
Volgograd State University
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100 University ave., 400062 Volgograd, Russian Federation
Nikolay M. Kuzmin
Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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https://orcid.org/0000-0003-4074-0970
100 University ave., 400062 Volgograd, Russian Federation
Svetlana S. Khokhlova
Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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https://orcid.org/0000-0002-4121-7228
100 University ave., 400062 Volgograd, Russian Federation
Gennadiy S. Ivanchenko
Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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https://orcid.org/0000-0001-9276-1381
100 University ave., 400062 Volgograd, Russian Federation
Anastasiya V. Ten
Candidate of Physical and Mathematical Sciences, Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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https://orcid.org/0000-0002-1806-5270
100 University ave., 400062 Volgograd, Russian Federation
Igor G. Kudina
Associate Professor, Department of Information Systems and Computer Modeling,
Volgograd State University
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100 University ave., 400062 Volgograd, Russian Federation
Abstract. A detailed analysis of the results of numerical simulation of the outer spiral structure in a gaseous galactic disk caused by the presence of non-axisymmetry in the distribution of matter in a dark halo have been fulfilled. The result obtained in our previous work [8] that the non-axisymmetry of the gaseous disk is less than the non-axisymmetry in the dark mass distribution for disks with a spiral structure extending far beyond the optical radius, have been confirmed. Also, the result has been generalized for the dark halo model, which is spherical within the optical radius and non-axisymmetric beyond it.
Key words: hydrodynamics, outer spiral structure, numerical simulation,dark halo, non-axisymmetry.
Numerical simulation of the galaxies outer spiral structure: the influence of the dark halo non-axisymmetry on the gaseous disk shape by Butenko M.A., Belikova I.V., Kuzmin N.M., Khokhlova S.S., Ivanchenko G.S., Ten A.V., Kudina I.G. is licensed under a Creative Commons Attribution 4.0 International License.
Citation in English: Mathematical Physics and Computer Simulation. Vol. 25 No. 3 2022, pp. 73-83
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