Observing Simulated Galaxies

Details Observing Simulated Galaxies Observing Simulated Galaxies

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003rmxac..17..147o&link_type=abstract

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

Mathematics

Logic

Galaxies: Evolution, Galaxies: Fundamental Parameters, Galaxies: High-Redshift, Galaxies: Irregular, Galaxies: Structure

Scientific paper

We investigate the growth of bar instability in stellar disks embedded in fully cosmological halos. We choose a Lambda -CDM cosmology (i.e. Omega_Λ() = 0.7, Omegam() = 0.3, H[0] = 70 km/s/Mpc) with 25h-1 Mpc of box size. The halo was selected from a low-resolution run (128^3 particles), it doesn't suffer major mergers since z = 5 and it lives in a low-density environment. Then we re-simulate the halo at 8 times higher resolution, following the whole simulation box with a multi-mass tecnique to account for the large-scale tidal forces. The stellar disk is embedded in the halo at a redshift z = 2. The evolution of the system spans more than 10 Gyr down to z = 0.

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