Hydrodynamic Simulations of M51 and the interaction with NGC 5195

Details Hydrodynamic Simulations of M51 and the interaction with NGC 5195 Hydrodynamic Simulations of M51 and the interaction with NGC 5195

2009-08-25

arxiv.org/abs/0908.3599v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

To appear in the Proceedings of the Galaxy Wars: Stellar Populations and Star Formation in Interacting Galaxies Conference

Scientific paper

The M51 galaxy is one of best examples of grand design structure in galaxies. The most likely origin of the spiral arms in M51 is the ongoing interaction with NGC 5195. Here we report recent calculations which model the orbit of M51 and NGC 5195. These calculations, which for the first time focus on the gas dynamics, are able to reproduce even detailed features in M51, as well as demonstrate the nature of the spiral structure of M51.

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