Galaxy formation from dry and hydro simulations
classification
🌌 astro-ph.CO
astro-ph.GA
keywords
galaxyredshiftclumpycollapsecompatiblecosmologicaldarkdiscussed
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The effects of dry and wet merging on the Scaling Laws (SLs) of elliptical galaxies (Es) are discussed. It is found that the galaxy SLs, possibly established at high redshift by the fast collapse of gas-rich and clumpy stellar distributions in preexisting dark matter halos following the cosmological SLs, are compatible with a (small) number of galaxy mergers at lower redshift.
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