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dc.contributor.author
Oogi, Taira
dc.contributor.author
Ishiyama, Tomoaki
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Prada, Francisco
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dc.contributor.author
Sinha, Manodeep
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Croton, Darren
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Cora, Sofia Alejandra
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Jullo, Eric
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Klypin, Anatoly A.
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Nagashima, Masahiro
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López Cacheiro, J.
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Ruedas, Je
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Kobayashi, Masakazu A. R.
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Makiya, Ryu
dc.date.available
2024-05-23T14:02:24Z
dc.date.issued
2023-11
dc.identifier.citation
Oogi, Taira; Ishiyama, Tomoaki; Prada, Francisco; Sinha, Manodeep; Croton, Darren; et al.; Uchuu-nu2GC galaxies and AGN: cosmic variance forecasts of high-redshift AGN for JWST, Euclid, and LSST; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 525; 3; 11-2023; 3879-3895
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/235898
dc.description.abstract
Measurements of the luminosity function of active galactic nuclei (AGN) at high redshift (z > 6) are expected to suffer from field-To-field variance, including cosmic and Poisson variances. Future surveys, such as those from the Euclid telescope and JWST, will also be affected by field variance. We use the Uchuu simulation, a state-of-The-Art cosmological N-body simulation with 2.1 trillion particles in a volume of 25.7 Gpc3, combined with a semi-Analytic galaxy and AGN formation model, to generate the Uchuu-nu2GC catalogue, publicly available, that allows us to investigate the field-To-field variance of the luminosity function of AGN. With this Uchuu-nu2GC model, we quantify the cosmic variance as a function of survey area, AGN luminosity, and redshift. In general, cosmic variance decreases with increasing survey area and decreasing redshift. We find that at z =6-7, the cosmic variance depends weakly on AGN luminosity. This is because the typical mass of dark matter haloes in which AGN reside does not significantly depend on luminosity. Due to the rarity of AGN, Poisson variance dominates the total field-To-field variance, especially for bright AGN. We also examine the effect of parameters related to galaxy formation physics on the field variance. We discuss uncertainties present in the estimation of the faint-end of the AGN luminosity function from recent observations, and extend this to make predictions for the expected number of AGN and their variance for upcoming observations with Euclid, JWST, and the Legacy Survey of Space and Time (LSST).
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
CATALOGUES
dc.subject
COSMOLOGY: THEORY
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GALAXIES: FORMATION
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GALAXIES: NUCLEI
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LARGE-SCALE STRUCTURE OF UNIVERSE
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METHODS: NUMERICAL
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
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dc.title
Uchuu-nu2GC galaxies and AGN: cosmic variance forecasts of high-redshift AGN for JWST, Euclid, and LSST
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-05-07T13:33:41Z
dc.journal.volume
525
dc.journal.number
3
dc.journal.pagination
3879-3895
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Oogi, Taira. Ehime University; Japón
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Fil: Ishiyama, Tomoaki. Chiba University; China
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Fil: Prada, Francisco. CSIC. Instituto de Astrofísica de Andalucía; España
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Fil: Sinha, Manodeep. Swinburne University Of Technology; Australia
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Fil: Croton, Darren. Swinburne University Of Technology; Australia
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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
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Fil: Jullo, Eric. Laboratoire D'astrophysique de Marseille; Francia
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Fil: Klypin, Anatoly A.. University of Virginia; Estados Unidos
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Fil: Nagashima, Masahiro. Bunkyo University; Japón
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Fil: López Cacheiro, J.. Centro de Supercomputacion de Galicia; España
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Fil: Ruedas, Je. CSIC. Instituto de Astrofísica de Andalucía; España
dc.description.fil
Fil: Kobayashi, Masakazu A. R.. CSIC. Instituto de Astrofísica de Andalucía; España
dc.description.fil
Fil: Makiya, Ryu. The University Of Tokyo; Japón
dc.journal.title
Monthly Notices of the Royal Astronomical Society
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stad2401
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/525/3/3879/7259923
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