Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/29673
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Wang, Xin | en_US |
dc.contributor.author | Jones, Tucker A. | en_US |
dc.contributor.author | Treu, Tommaso | en_US |
dc.contributor.author | Morishita, Takahiro | en_US |
dc.contributor.author | Abramson, Louis E. | en_US |
dc.contributor.author | Brammer, Gabriel B. | en_US |
dc.contributor.author | Huang, Kuang-Han | en_US |
dc.contributor.author | Malkan, Matthew A. | en_US |
dc.contributor.author | Schmidt, Kasper B. | en_US |
dc.contributor.author | FONTANA, Adriano | en_US |
dc.contributor.author | GRILLO, CLAUDIO | en_US |
dc.contributor.author | Henry, Alaina L. | en_US |
dc.contributor.author | Karman, Wouter | en_US |
dc.contributor.author | Kelly, Patrick L. | en_US |
dc.contributor.author | Mason, Charlotte A. | en_US |
dc.contributor.author | MERCURIO, AMATA | en_US |
dc.contributor.author | Rosati, Piero | en_US |
dc.contributor.author | Sharon, Keren | en_US |
dc.contributor.author | Trenti, Michele | en_US |
dc.contributor.author | Vulcani, Benedetta | en_US |
dc.date.accessioned | 2021-01-11T17:13:22Z | - |
dc.date.available | 2021-01-11T17:13:22Z | - |
dc.date.issued | 2017 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/29673 | - |
dc.description.abstract | We combine deep Hubble Space Telescope grism spectroscopy with a new Bayesian method to derive maps of gas-phase metallicity for 10 star-forming galaxies at high redshift (1.2≲ z≲ 2.3). Exploiting lensing magnification by the foreground cluster MACS1149.6+2223, we reach sub-kiloparsec spatial resolution and push the limit of stellar mass associated with such high-z spatially resolved measurements below {10}<SUP>8</SUP> {M}<SUB>☉ </SUB> for the first time. Our maps exhibit diverse morphologies, indicative of various effects such as efficient radial mixing from tidal torques, rapid accretion of low-metallicity gas, and other physical processes that can affect the gas and metallicity distributions in individual galaxies. Based upon an exhaustive sample of all existing sub-kiloparesec resolution metallicity gradient measurements at high z, we find that predictions given by analytical chemical evolution models assuming a relatively extended star-formation profile in the early disk-formation phase can explain the majority of observed metallicity gradients, without involving galactic feedback or radial outflows. We observe a tentative correlation between stellar mass and metallicity gradients, consistent with the “downsizing” galaxy formation picture that more massive galaxies are more evolved into a later phase of disk growth, where they experience more coherent mass assembly at all radii and thus show shallower metallicity gradients. In addition to the spatially resolved analysis, we compile a sample of homogeneously cross-calibrated integrated metallicity measurements spanning three orders of magnitude in stellar mass at z ∼ 1.8. We use this sample to study the mass-metallicity relation (MZR) and find that the slope of the observed MZR can rule out the momentum-driven wind model at a 3σ confidence level. | en_US |
dc.language.iso | eng | en_US |
dc.title | The Grism Lens-amplified Survey from Space (GLASS). X. Sub-kiloparsec Resolution Gas-phase Metallicity Maps at Cosmic Noon behind the Hubble Frontier Fields Cluster MACS1149.6+2223 | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/aa603c | en_US |
dc.identifier.scopus | 2-s2.0-85015197667 | en_US |
dc.identifier.isi | 000401171200006 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/aa603c | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 837 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 89 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2017ApJ...837...89W | 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.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | O.A. Roma | - |
crisitem.author.dept | O.A. Capodimonte | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.orcid | 0000-0003-3820-2823 | - |
crisitem.author.orcid | 0000-0001-9261-7849 | - |
crisitem.author.orcid | 0000-0003-0980-1499 | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
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