Minor Merger of Galaxies: Theory vs. Observation

Details Minor Merger of Galaxies: Theory vs. Observation Minor Merger of Galaxies: Theory vs. Observation

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..17..144b&link_type=abstract

Galaxy Evolution: Theory & Observations (Eds. Vladimir Avila-Reese, Claudio Firmani, Carlos S. Frenk & Christine Allen) Revista

Mathematics

Logic

Galaxies: Minor Mergers, Galaxies: N-Body Simulations

Scientific paper

High-Resolution simulations of cosmological structure formation suggest the formation of dark matter halos with strong substructure. These small clumps can spiral into the center of the massive halo on a short timescale and be accreted in a minor merger. If a stellar disk is already present this disk will be heated and puffed up. We compared N-body simulations of these minor mergers with observations of the velocity distribution of a sample of Milky Way stars.

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