A numerical study on the distribution of the debris of the Milky Way satellites
Abstract
We perform six N-body simulations reproducing the interaction between the Milky Way and its satellite galaxies, in order to address the deposit of satellite debris in the Galactic environment. We find that most of the baryons survive inside their host satellites and that most of the baryonic debris ends up in the inner regions of the Milky Way, in contrast to the more uniform distribution of dark matter debris. We also look at the debris Inertia tensor in the inner regions of the Milky Way and find a lower minor-to-major axis ratio for baryons than dark matter. We plan to explore the phase-space distribution of the debris ending in the Galactic disk and bulge. We also plan further simulations including gas dynamics to study the impact of gas on the process.
- Publication:
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Dwarf Galaxies: From the Deep Universe to the Present
- Pub Date:
- October 2019
- DOI:
- 10.1017/S1743921318005306
- Bibcode:
- 2019IAUS..344..105M
- Keywords:
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- methods: n-body simulations;
- Galaxy: kinematics and dynamics;
- galaxies: dwarf