The OBELISK simulation: Galaxies contribute more than AGN to H I reionization of protoclusters
We present the O BELISK project, a cosmological radiation-hydrodynamics simulation that follows the assembly and reionization of a protocluster progenitor during the first two billion years after the big bang, down to z = 3.5. The simulation resolves haloes down to the atomic cooling limit and trac...
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| Veröffentlicht in: | Astronomy and astrophysics (Berlin) 2021-09, Vol.653, p.A154 |
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| creator | Trebitsch, Maxime Dubois, Yohan Volonteri, Marta Pfister, Hugo Cadiou, Corentin Katz, Harley Rosdahl, Joakim Kimm, Taysun Pichon, Christophe Beckmann, Ricarda S. Devriendt, Julien Slyz, Adrianne |
| description | We present the O
BELISK
project, a cosmological radiation-hydrodynamics simulation that follows the assembly and reionization of a protocluster progenitor during the first two billion years after the big bang, down to
z
= 3.5. The simulation resolves haloes down to the atomic cooling limit and tracks the contribution of different sources of ionization: stars, active galactic nuclei, and collisions. The O
BELISK
project is specifically designed to study the coevolution of high-redshift galaxies and quasars in an environment favouring black hole growth. In this paper, we establish the relative contribution of these two sources of radiation to reionization and their respective role in establishing and maintaining the high-redshift ionizing background. Our volume is typical of an overdense region of the Universe and displays star formation rate and black hole accretion rate densities similar to those of high-redshift protoclusters. We find that hydrogen reionization happens inside-out, is completed by
z
∼ 6 in our overdensity, and is predominantly driven by galaxies, while accreting black holes only play a role at
z
∼ 4. |
| doi_str_mv | 10.1051/0004-6361/202037698 |
| format | Article |
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BELISK
project, a cosmological radiation-hydrodynamics simulation that follows the assembly and reionization of a protocluster progenitor during the first two billion years after the big bang, down to
z
= 3.5. The simulation resolves haloes down to the atomic cooling limit and tracks the contribution of different sources of ionization: stars, active galactic nuclei, and collisions. The O
BELISK
project is specifically designed to study the coevolution of high-redshift galaxies and quasars in an environment favouring black hole growth. In this paper, we establish the relative contribution of these two sources of radiation to reionization and their respective role in establishing and maintaining the high-redshift ionizing background. Our volume is typical of an overdense region of the Universe and displays star formation rate and black hole accretion rate densities similar to those of high-redshift protoclusters. We find that hydrogen reionization happens inside-out, is completed by
z
∼ 6 in our overdensity, and is predominantly driven by galaxies, while accreting black holes only play a role at
z
∼ 4.</description><identifier>ISSN: 0004-6361</identifier><identifier>EISSN: 1432-0746</identifier><identifier>EISSN: 1432-0756</identifier><identifier>DOI: 10.1051/0004-6361/202037698</identifier><language>eng</language><publisher>Heidelberg: EDP Sciences</publisher><subject>Active galactic nuclei ; Astrophysics ; Big bang cosmology ; Black holes ; Cosmology and Extra-Galactic Astrophysics ; Deposition ; Galaxies ; Ionization ; Physics ; Quasars ; Radiation ; Red shift ; Simulation ; Star & galaxy formation ; Star formation rate</subject><ispartof>Astronomy and astrophysics (Berlin), 2021-09, Vol.653, p.A154</ispartof><rights>Copyright EDP Sciences Sep 2021</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c352t-9fe976303861bcb5e13ac9c1c12a49e532749bbcc93cdf6a644fc04e84278db83</citedby><cites>FETCH-LOGICAL-c352t-9fe976303861bcb5e13ac9c1c12a49e532749bbcc93cdf6a644fc04e84278db83</cites><orcidid>0000-0002-6849-5375 ; 0000-0003-2285-0332 ; 0000-0002-8140-0422 ; 0000-0002-7534-8314 ; 0000-0002-2850-0192 ; 0000-0002-3950-3997 ; 0000-0003-0695-6735 ; 0000-0003-0225-6387 ; 0000-0002-3216-1322 ; 0000-0003-1561-3814</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,3714,27901,27902</link.rule.ids><backlink>$$Uhttps://cnrs.hal.science/hal-03443317$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Trebitsch, Maxime</creatorcontrib><creatorcontrib>Dubois, Yohan</creatorcontrib><creatorcontrib>Volonteri, Marta</creatorcontrib><creatorcontrib>Pfister, Hugo</creatorcontrib><creatorcontrib>Cadiou, Corentin</creatorcontrib><creatorcontrib>Katz, Harley</creatorcontrib><creatorcontrib>Rosdahl, Joakim</creatorcontrib><creatorcontrib>Kimm, Taysun</creatorcontrib><creatorcontrib>Pichon, Christophe</creatorcontrib><creatorcontrib>Beckmann, Ricarda S.</creatorcontrib><creatorcontrib>Devriendt, Julien</creatorcontrib><creatorcontrib>Slyz, Adrianne</creatorcontrib><title>The OBELISK simulation: Galaxies contribute more than AGN to H I reionization of protoclusters</title><title>Astronomy and astrophysics (Berlin)</title><description>We present the O
BELISK
project, a cosmological radiation-hydrodynamics simulation that follows the assembly and reionization of a protocluster progenitor during the first two billion years after the big bang, down to
z
= 3.5. The simulation resolves haloes down to the atomic cooling limit and tracks the contribution of different sources of ionization: stars, active galactic nuclei, and collisions. The O
BELISK
project is specifically designed to study the coevolution of high-redshift galaxies and quasars in an environment favouring black hole growth. In this paper, we establish the relative contribution of these two sources of radiation to reionization and their respective role in establishing and maintaining the high-redshift ionizing background. Our volume is typical of an overdense region of the Universe and displays star formation rate and black hole accretion rate densities similar to those of high-redshift protoclusters. We find that hydrogen reionization happens inside-out, is completed by
z
∼ 6 in our overdensity, and is predominantly driven by galaxies, while accreting black holes only play a role at
z
∼ 4.</description><subject>Active galactic nuclei</subject><subject>Astrophysics</subject><subject>Big bang cosmology</subject><subject>Black holes</subject><subject>Cosmology and Extra-Galactic Astrophysics</subject><subject>Deposition</subject><subject>Galaxies</subject><subject>Ionization</subject><subject>Physics</subject><subject>Quasars</subject><subject>Radiation</subject><subject>Red shift</subject><subject>Simulation</subject><subject>Star & galaxy formation</subject><subject>Star formation rate</subject><issn>0004-6361</issn><issn>1432-0746</issn><issn>1432-0756</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNo9kEFOwzAQRS0EEqVwAjaWWLEItT2Ok7ArVWkrIrqgrI3jOmqqtC62g4AVN-JOnISEoq5GM3r_a_QQuqTkhpKYDgghPBIg6IARRiARWXqEepQDi0jCxTHqHYhTdOb9ul0ZTaGHXhYrg-d343z29IB9tWlqFSq7vcUTVav3ynis7Ta4qmiCwRvrDA4rtcXDySMOFk9_vr5n2Jk2UX3-BbEt8c7ZYHXd-GCcP0cnpaq9ufifffR8P16MplE-n8xGwzzSELMQZaXJEgEEUkELXcSGgtKZppoyxTMTA0t4VhRaZ6CXpVCC81ITblLOknRZpNBH1_velarlzlUb5T6kVZWcDnPZ3QhwDkCTN9qyV3u2_fS1MT7ItW3ctn1PsjilvHWakJaCPaWd9d6Z8lBLiey0y06q7KTKg3b4BXCcdH0</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Trebitsch, Maxime</creator><creator>Dubois, Yohan</creator><creator>Volonteri, Marta</creator><creator>Pfister, Hugo</creator><creator>Cadiou, Corentin</creator><creator>Katz, Harley</creator><creator>Rosdahl, Joakim</creator><creator>Kimm, Taysun</creator><creator>Pichon, Christophe</creator><creator>Beckmann, Ricarda S.</creator><creator>Devriendt, Julien</creator><creator>Slyz, Adrianne</creator><general>EDP Sciences</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-6849-5375</orcidid><orcidid>https://orcid.org/0000-0003-2285-0332</orcidid><orcidid>https://orcid.org/0000-0002-8140-0422</orcidid><orcidid>https://orcid.org/0000-0002-7534-8314</orcidid><orcidid>https://orcid.org/0000-0002-2850-0192</orcidid><orcidid>https://orcid.org/0000-0002-3950-3997</orcidid><orcidid>https://orcid.org/0000-0003-0695-6735</orcidid><orcidid>https://orcid.org/0000-0003-0225-6387</orcidid><orcidid>https://orcid.org/0000-0002-3216-1322</orcidid><orcidid>https://orcid.org/0000-0003-1561-3814</orcidid></search><sort><creationdate>20210901</creationdate><title>The OBELISK simulation: Galaxies contribute more than AGN to H I reionization of protoclusters</title><author>Trebitsch, Maxime ; 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BELISK
project, a cosmological radiation-hydrodynamics simulation that follows the assembly and reionization of a protocluster progenitor during the first two billion years after the big bang, down to
z
= 3.5. The simulation resolves haloes down to the atomic cooling limit and tracks the contribution of different sources of ionization: stars, active galactic nuclei, and collisions. The O
BELISK
project is specifically designed to study the coevolution of high-redshift galaxies and quasars in an environment favouring black hole growth. In this paper, we establish the relative contribution of these two sources of radiation to reionization and their respective role in establishing and maintaining the high-redshift ionizing background. Our volume is typical of an overdense region of the Universe and displays star formation rate and black hole accretion rate densities similar to those of high-redshift protoclusters. We find that hydrogen reionization happens inside-out, is completed by
z
∼ 6 in our overdensity, and is predominantly driven by galaxies, while accreting black holes only play a role at
z
∼ 4.</abstract><cop>Heidelberg</cop><pub>EDP Sciences</pub><doi>10.1051/0004-6361/202037698</doi><orcidid>https://orcid.org/0000-0002-6849-5375</orcidid><orcidid>https://orcid.org/0000-0003-2285-0332</orcidid><orcidid>https://orcid.org/0000-0002-8140-0422</orcidid><orcidid>https://orcid.org/0000-0002-7534-8314</orcidid><orcidid>https://orcid.org/0000-0002-2850-0192</orcidid><orcidid>https://orcid.org/0000-0002-3950-3997</orcidid><orcidid>https://orcid.org/0000-0003-0695-6735</orcidid><orcidid>https://orcid.org/0000-0003-0225-6387</orcidid><orcidid>https://orcid.org/0000-0002-3216-1322</orcidid><orcidid>https://orcid.org/0000-0003-1561-3814</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Astronomy and astrophysics (Berlin), 2021-09, Vol.653, p.A154 |
| issn | 0004-6361 1432-0746 1432-0756 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_03443317v1 |
| source | Bacon EDP Sciences France Licence nationale-ISTEX-PS-Journals-PFISTEX; EDP Sciences; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Active galactic nuclei Astrophysics Big bang cosmology Black holes Cosmology and Extra-Galactic Astrophysics Deposition Galaxies Ionization Physics Quasars Radiation Red shift Simulation Star & galaxy formation Star formation rate |
| title | The OBELISK simulation: Galaxies contribute more than AGN to H I reionization of protoclusters |
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