Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/31110
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Graziani, L. | en_US |
dc.contributor.author | SCHNEIDER, RAFFAELLA | en_US |
dc.contributor.author | Ginolfi, M. | en_US |
dc.contributor.author | HUNT, Leslie Kipp | en_US |
dc.contributor.author | Maio, U. | en_US |
dc.contributor.author | Glatzle, M. | en_US |
dc.contributor.author | Ciardi, B. | en_US |
dc.date.accessioned | 2021-11-22T14:03:47Z | - |
dc.date.available | 2021-11-22T14:03:47Z | - |
dc.date.issued | 2020 | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/31110 | - |
dc.description.abstract | The recent discovery of high-redshift dusty galaxies implies a rapid dust enrichment of their interstellar medium (ISM). To interpret these observations, we run a cosmological simulation in a 30 h<SUP>-1</SUP> cMpc/size volume down to z ≍ 4. We use the hydrodynamical code dustygadget, which accounts for the production of dust by stellar populations and its evolution in the ISM. We find that the cosmic dust density parameter (Ω<SUB>d</SUB>) is mainly driven by stellar dust at z ≳ 10, so that mass- and metallicity-dependent yields are required to assess the dust content in the first galaxies. At z ≲ 9, the growth of grains in the ISM of evolved systems [log(M<SUB>⋆</SUB>/M<SUB>☉</SUB>) > 8.5] significantly increases their dust mass, in agreement with observations in the redshift range 4 ≲ z < 8. Our simulation shows that the variety of high-redshift galaxies observed with the Atacama Large Millimeter Array can naturally be accounted for by modelling the grain growth time-scale as a function of the physical conditions in the gas cold phase. In addition, the trends of dust-to-metal and dust-to-gas (D) ratios are compatible with the available data. A qualitative investigation of the inhomogeneous dust distribution in a representative massive halo at z ≍ 4 shows that dust is found from the central galaxy up to the closest satellites along polluted filaments with log(D) ≤ -2.4, but sharply declines at distances d ≳ 30 kpc along many lines of sight, where log(D) ≲ -4.0. | en_US |
dc.language.iso | eng | en_US |
dc.title | The assembly of dusty galaxies at z ≥ 4: statistical properties | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1093/mnras/staa796 | en_US |
dc.identifier.scopus | 2-s2.0-85085361753 | en_US |
dc.identifier.isi | WOS:000535885900082 | en_US |
dc.identifier.url | https://academic.oup.com/mnras/article/494/1/1071/5811194 | en_US |
dc.identifier.url | http://arxiv.org/abs/1909.07388v2 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 494 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 1071 | en_US |
dc.relation.lastpage | 1088 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.numberofauthors | 7 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | ITA | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2020MNRAS.494.1071G | en_US |
dc.relation.ercsector | ERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.journal.journalissn | 0035-8711 | - |
crisitem.journal.ance | E112946 | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.orcid | 0000-0001-9317-2888 | - |
crisitem.author.orcid | 0000-0001-9162-2371 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
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2020MNRAS.494.1071Graziani.pdf | Pdf editoriale | 2.62 MB | Adobe PDF | View/Open |
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