Galaxy assembly bias and large-scale distribution: a comparison between IllustrisTNG and a semi-analytic model

@inproceedings{Hadzhiyska2021GalaxyAB,
  title={Galaxy assembly bias and large-scale distribution: a comparison between IllustrisTNG and a semi-analytic model},
  author={Boryana Hadzhiyska and Sonya Liu and Rachel S Somerville and Austen Gabrielpillai and Sownak Bose and Daniel Eisenstein and Lars Hernquist},
  year={2021}
}
In this work, we compare large scale structure observables for stellar mass selected samples at z = 0, as predicted by two galaxy models, the hydrodynamical simulation IllustrisTNG and the Santa-Cruz semi-analytic model (SC-SAM). Although both models have been independently calibrated to match observations, rather than each other, we find good agreement between the two models for two-point clustering and galaxy assembly bias signatures. The models also show a qualitatively similar response of… Expand

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