The “Building Blocks” of Stellar Halos

The stellar halos of galaxies encode their accretion histories. In particular, the median metallicity of a halo is determined primarily by the mass of the most massive accreted object. We use hydrodynamical cosmological simulations from the apostle project to study the connection between the stellar...

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Bibliographic Details
Main Authors: Kyle A. Oman, Else Starkenburg, Julio F. Navarro
Format: Article
Language:English
Published: MDPI AG 2017-08-01
Series:Galaxies
Subjects:
Online Access:https://www.mdpi.com/2075-4434/5/3/33