| |
 |
| Paper: |
Simulated Galaxy Merger Trees: A New Numerical Tool to Study Galaxy Evolution |
| Volume: |
477, Galaxy Mergers in an Evolving Universe |
| Page: |
115 |
| Authors: |
Moster, B. P. |
| Abstract: |
We present a new numerical approach to study galaxy evolution in a cosmological context. To this end, we combine cosmological merger trees and semi-analytic models of galaxy formation to provide the initial conditions for multi-merger hydrodynamic simulations. In this way we exploit the advantages of merger simulations (high resolution and detailed
treatment of the gas physics) and semi-analytic models (cosmological background and low computational cost), and integrate them to create a novel tool. We have tested our new method studying the evolution of Milky Way-like galaxies since z = 1, and find good agreement with observations for the total stellar masses and disk scale parameters. Overall, our novel numerical approach will be very useful for pursuing a number of questions pertaining to the transformation of galaxy internal structure through cosmic time. |
|
|
|
|
|
