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Reconstructing the Mass Accretion Histories of Nearby Red Nuggets with Their Globular Cluster Systems by Beasley, Michael A. (author);Leaman, Ryan (author);Trujillo, Ignacio (author);Montes, Mireia (author);Vazdekis, Alejandro (author);Rusiñol, Núria Salvador (author);Eftekhari, Elham (author);Ferré-Mateu, Anna (author);Martín-Navarro, Ignacio (author) is a nonfiction available to read on EtoBox.
What is Reconstructing the Mass Accretion Histories of Nearby Red Nuggets with Their Globular Cluster Systems about?
## Abstract It is generally recognized that massive galaxies form through a combination of __in-situ__ collapse and __ex-situ__ accretion. The __in-situ__ component forms early, where gas collapse and compaction leads to the formation of massive compact systems (blue and red “nuggets”) seen at z > 1. The subsequent accretion of satellites brings in __ex-situ__ material, growing these nuggets in size and mass to appear as the massive early-type galaxies (ETGs) we see locally. Due to stochasticity in the accretion process, in a few rare cases a red nugget will evolve to the present day having undergone little __ex-situ__ mass accretion. The resulting massive, compact and ancient objects have been termed “relic galaxies”. Detailed stellar population and kinematic analyses are required to characterise these systems. However, an additional crucial aspect lies in determining the fraction of __ex-situ__ mass they have accreted since their formation. Globular cluster systems can be used to constrain this fraction, since the oldest and most metal-poor globular clusters in massive galaxies are primarily an accreted, __ex-situ__ population. Models for the formation of relic galaxies and their
Who reads Reconstructing the Mass Accretion Histories of Nearby Red Nuggets with Their Globular Cluster Systems?
It is typically read by self-directed learners exploring a subject in depth.
Common subject areas: history, science, philosophy, social sciences.
- Author
- Beasley, Michael A. (author);Leaman, Ryan (author);Trujillo, Ignacio (author);Montes, Mireia (author);Vazdekis, Alejandro (author);Rusiñol, Núria Salvador (author);Eftekhari, Elham (author);Ferré-Mateu, Anna (author);Martín-Navarro, Ignacio (author)
- Publisher
- Cambridge University Press (CUP)
- Published
- 2020
- Language
- EN
- Category
- nonfiction
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