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dc.contributor.author
Ishiyama, Tomoaki
dc.contributor.author
Prada, Francisco
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dc.contributor.author
Klypin, Anatoly A
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Sinha, Manodeep
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Metcalf, R. Benton.
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Jullo, Eric
dc.contributor.author
Altieri, Bruno
dc.contributor.author
Cora, Sofia Alejandra
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dc.contributor.author
Croton, Darren
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de la Torre, Sylvain
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Millán-Calero, David E
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Oogi, Taira
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Ruedas, José
dc.contributor.author
Vega Martínez, Cristian Antonio
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dc.date.available
2022-03-21T16:56:18Z
dc.date.issued
2021-06
dc.identifier.citation
Ishiyama, Tomoaki; Prada, Francisco; Klypin, Anatoly A; Sinha, Manodeep; Metcalf, R. Benton.; et al.; The Uchuu Simulations: data release 1 and dark matter halo concentrations; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 506; 3; 6-2021; 4210–4231
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/153652
dc.description.abstract
We introduce the Uchuu suite of large high-resolution cosmological N-body simulations. The largest simulation, named Uchuu, consists of 2.1 trillion (12800^3) dark matter particles in a box of side-length 2.0 h-1Gpc, with particle mass 3.27x10^8 h-1Msun. The highest resolution simulation, Shin-Uchuu, consists of 262 billion (6400^3) particles in a box of side-length 140 h-1Mpc, with particle mass 8.97x10^5 h-1Msun. Combining these simulations we can follow the evolution of dark matter halos and subhalos spanning those hosting dwarf galaxies to massive galaxy clusters across an unprecedented volume. In this first paper, we present basic statistics, dark matter power spectra, and the halo and subhalo mass functions, which demonstrate the wide dynamic range and superb statistics of theUchuu suite. From an analysis of the evolution of the power spectra we conclude that our simulations remain accurate from the Baryon Acoustic Oscillation scale down to the very small. We also provide parameters of a mass-concentration model, which describes the evolution of halo concentration and reproduces our simulation data to within 5 per cent for halos with masses spanning nearly eight orders of magnitude at redshift 0 0.5, whereas no upturn is detected at z < 0.5.We make publicly available various N-body products as part of Uchuu Data Release 1 on the Skies & Universes sitey. Future releases will include gravitational lensing maps and mock galaxy, X-ray cluster, and active galactic nuclei catalogues.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
cosmology: theory
dc.subject
methods: numerical
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Galaxy: structure
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dark matter
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The Uchuu Simulations: data release 1 and dark matter halo concentrations
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-02-04T13:31:21Z
dc.journal.volume
506
dc.journal.number
3
dc.journal.pagination
4210–4231
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Ishiyama, Tomoaki. Chiba University; Japón
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Fil: Prada, Francisco. Instituto de Astrofísica de Andalucía; España
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Fil: Klypin, Anatoly A. University of Virginia; Estados Unidos
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Fil: Sinha, Manodeep. Swinburne University Of Technology; Australia
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Fil: Metcalf, R. Benton.. Università di Bologna; Italia
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Fil: Jullo, Eric. Aix Marseille Univ; Francia
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Fil: Altieri, Bruno. European Space Astronomy Centre; España
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Fil: Cora, Sofia Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
dc.description.fil
Fil: Croton, Darren. Swinburne University Of Technology; Australia
dc.description.fil
Fil: de la Torre, Sylvain. Aix Marseille Univ; Francia
dc.description.fil
Fil: Millán-Calero, David E. Instituto de Astrofísica de Andalucía; España
dc.description.fil
Fil: Oogi, Taira. Chiba University; Japón
dc.description.fil
Fil: Ruedas, José. Instituto de Astrofísica de Andalucía; España
dc.description.fil
Fil: Vega Martínez, Cristian Antonio. Universidad de La Serena; Chile
dc.journal.title
Monthly Notices of the Royal Astronomical Society
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/advance-article/doi/10.1093/mnras/stab1755/6307536
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stab1755
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