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Title: Rhapsody-G simulations I: the cool cores, hot gas and stellar content of massive galaxy clusters

Abstract

We present the rhapsody-g suite of cosmological hydrodynamic zoom simulations of 10 massive galaxy clusters at the Mvir ~1015 M⊙ scale. These simulations include cooling and subresolution models for star formation and stellar and supermassive black hole feedback. The sample is selected to capture the whole gamut of assembly histories that produce clusters of similar final mass. We present an overview of the successes and shortcomings of such simulations in reproducing both the stellar properties of galaxies as well as properties of the hot plasma in clusters. In our simulations, a long-lived cool-core/non-cool-core dichotomy arises naturally, and the emergence of non-cool cores is related to low angular momentum major mergers. Nevertheless, the cool-core clusters exhibit a low central entropy compared to observations, which cannot be alleviated by thermal active galactic nuclei feedback. For cluster scaling relations, we find that the simulations match well the M500–Y500 scaling of Planck Sunyaev–Zeldovich clusters but deviate somewhat from the observed X-ray luminosity and temperature scaling relations in the sense of being slightly too bright and too cool at fixed mass, respectively. Stars are produced at an efficiency consistent with abundance-matching constraints and central galaxies have star formation rates consistent with recent observations. In conclusion,more » while our simulations thus match various key properties remarkably well, we conclude that the shortcomings strongly suggest an important role for non-thermal processes (through feedback or otherwise) or thermal conduction in shaping the intracluster medium.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [6]
+ Show Author Affiliations
  1. Univ. Cote d'Azur, Nice cedex (France); ETH Zurich, Zurich (Switzerland)
  2. Univ. of California, Berkeley, CA (United States)
  3. California Inst. of Technology (CalTech), Pasadena, CA (United States); Univ. of Michigan, Ann Arbor, MI (United States)
  4. Univ. of Michigan, Ann Arbor, MI (United States)
  5. Univ. of Zurich, Zurich (Switzerland)
  6. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1390294
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Volume: 470; Journal Issue: 1; Journal ID: ISSN 0035-8711
Publisher:
Royal Astronomical Society
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; methods: numerical; galaxies: clusters: general; dark matter; large-scale structure of Universe; X-rays: galaxies: clusters

Citation Formats

Hahn, Oliver, Martizzi, Davide, Wu, Hao -Yi, Evrard, August E., Teyssier, Romain, and Wechsler, Risa H. Rhapsody-G simulations I: the cool cores, hot gas and stellar content of massive galaxy clusters. United States: N. p., 2017. Web. doi:10.1093/mnras/stx001.
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Hahn, Oliver, Martizzi, Davide, Wu, Hao -Yi, Evrard, August E., Teyssier, Romain, & Wechsler, Risa H. Rhapsody-G simulations I: the cool cores, hot gas and stellar content of massive galaxy clusters. United States. https://doi.org/10.1093/mnras/stx001
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Hahn, Oliver, Martizzi, Davide, Wu, Hao -Yi, Evrard, August E., Teyssier, Romain, and Wechsler, Risa H. Wed . "Rhapsody-G simulations I: the cool cores, hot gas and stellar content of massive galaxy clusters". United States. https://doi.org/10.1093/mnras/stx001. https://www.osti.gov/servlets/purl/1390294.
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@article{osti_1390294,
title = {Rhapsody-G simulations I: the cool cores, hot gas and stellar content of massive galaxy clusters},
author = {Hahn, Oliver and Martizzi, Davide and Wu, Hao -Yi and Evrard, August E. and Teyssier, Romain and Wechsler, Risa H.},
abstractNote = {We present the rhapsody-g suite of cosmological hydrodynamic zoom simulations of 10 massive galaxy clusters at the Mvir ~1015 M⊙ scale. These simulations include cooling and subresolution models for star formation and stellar and supermassive black hole feedback. The sample is selected to capture the whole gamut of assembly histories that produce clusters of similar final mass. We present an overview of the successes and shortcomings of such simulations in reproducing both the stellar properties of galaxies as well as properties of the hot plasma in clusters. In our simulations, a long-lived cool-core/non-cool-core dichotomy arises naturally, and the emergence of non-cool cores is related to low angular momentum major mergers. Nevertheless, the cool-core clusters exhibit a low central entropy compared to observations, which cannot be alleviated by thermal active galactic nuclei feedback. For cluster scaling relations, we find that the simulations match well the M500–Y500 scaling of Planck Sunyaev–Zeldovich clusters but deviate somewhat from the observed X-ray luminosity and temperature scaling relations in the sense of being slightly too bright and too cool at fixed mass, respectively. Stars are produced at an efficiency consistent with abundance-matching constraints and central galaxies have star formation rates consistent with recent observations. In conclusion, while our simulations thus match various key properties remarkably well, we conclude that the shortcomings strongly suggest an important role for non-thermal processes (through feedback or otherwise) or thermal conduction in shaping the intracluster medium.},
doi = {10.1093/mnras/stx001},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 1,
volume = 470,
place = {United States},
year = {Wed Jan 25 00:00:00 EST 2017},
month = {Wed Jan 25 00:00:00 EST 2017}
}
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https://doi.org/10.1093/mnras/stx001
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Works referencing / citing this record:

The Galaxy Cluster Mass Scale and Its Impact on Cosmological Constraints from the Cluster Population
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Enhancing AGN efficiency and cool-core formation with anisotropic thermal conduction
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The redshift evolution of X-ray and Sunyaev–Zel’dovich scaling relations in the fable simulations
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  • DeMaio, Tahlia; Gonzalez, Anthony H.; Zabludoff, Ann
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  • DOI: 10.1093/mnras/stz3236

Weak lensing reveals a tight connection between dark matter halo mass and the distribution of stellar mass in massive galaxies
journal, December 2019

  • Huang, Song; Leauthaud, Alexie; Hearin, Andrew
  • Monthly Notices of the Royal Astronomical Society, Vol. 492, Issue 3
  • DOI: 10.1093/mnras/stz3314

On the Efficiency of Thermal Conduction in Galaxy Clusters
journal, August 2018

The Megaparsec-scale Gas-sloshing Spiral in the Remnant Cool Core Cluster Abell 1763
journal, November 2018

  • Douglass, E. M.; Blanton, E. L.; Randall, S. W.
  • The Astrophysical Journal, Vol. 868, Issue 2
  • DOI: 10.3847/1538-4357/aae9e7

A Multifiltering Study of Turbulence in a Large Sample of Simulated Galaxy Clusters
journal, March 2019

The redshift evolution of X-ray and Sunyaev-Zel'dovich scaling relations in the FABLE simulations
text, January 2019

  • Henden, Nicholas; Puchwein, Ewald; Sijacki, Debora
  • Apollo - University of Cambridge Repository
  • DOI: 10.17863/cam.43229

Enhancing AGN efficiency and cool-core formation with anisotropic thermal conduction
text, January 2018

The Megaparsec-scale Gas-sloshing Spiral in the Remnant Cool Core Cluster Abell 1763
text, January 2018

The redshift evolution of X-ray and Sunyaev-Zel'dovich scaling relations in the FABLE simulations
text, January 2019

Enrichment of the Hot Intracluster Medium: Numerical Simulations
journal, November 2018

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