Numerical Simulation of Milky Way Galaxy and Sagittarius Dwarf Galaxy Collision

The Milky Way has its own system of dwarf satellite galaxies, which have much lower mass. Interaction between the Milky Way and its satellites can impact the structure. Sagittarius Dwarf Galaxy is one of the nearest and brightest Milky Way's satellite galaxies. But it has been torn apart becaus...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-01, Vol.1127 (1), p.12057
Main Authors: Ayu, Ramadhani Putri, Arifyanto, M. Ikbal
Format: Article
Language:English
Subjects:
Astronomical models
Dark matter
Dwarf galaxies
Galaxy mergers & collisions
Milky Way
Satellites
Stars & galaxies
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Summary:The Milky Way has its own system of dwarf satellite galaxies, which have much lower mass. Interaction between the Milky Way and its satellites can impact the structure. Sagittarius Dwarf Galaxy is one of the nearest and brightest Milky Way's satellite galaxies. But it has been torn apart because of potential of the Galaxy. In this paper, we investigate a few models of Milky Way collision with its satellite. Sagittarius Dwarf Galaxy will be constructed as spherical and disk dwarf galaxy. We also included the stars, gaseous, and dark matter as the building blocks of the dwarf galaxy in calculation of this tidal interaction. The calculation was performed using N-body and Smoothed Particle Hydrodynamic program, GADGET-2 code.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1127/1/012057