Skip navigation
  • INAF logo
  • Home
  • Communities
    & Collections
  • Research outputs
  • Researchers
  • Organization units
  • Projects
  • Explore by
    • Research outputs
    • Researchers
    • Organization units
    • Projects
  • Login:
    • My DSpace
    • Receive email
      updates
    • Edit Account details
  • Italian
  • English

  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/31889
DC FieldValueLanguage
dc.contributor.authorCullen, F.en_US
dc.contributor.authorMcLure, R. J.en_US
dc.contributor.authorDunlop, J. S.en_US
dc.contributor.authorCarnall, A. C.en_US
dc.contributor.authorMcLeod, D. J.en_US
dc.contributor.authorShapley, A. E.en_US
dc.contributor.authorAmorín, R.en_US
dc.contributor.authorBOLZONELLA, MICOLen_US
dc.contributor.authorCASTELLANO, MARCOen_US
dc.contributor.authorCimatti, A.en_US
dc.contributor.authorCirasuolo, M.en_US
dc.contributor.authorCUCCIATI, Olgaen_US
dc.contributor.authorFONTANA, Adrianoen_US
dc.contributor.authorFONTANOT, Fabioen_US
dc.contributor.authorGARILLI, BIANCA MARIA ROSAen_US
dc.contributor.authorGuaita, L.en_US
dc.contributor.authorJarvis, M. J.en_US
dc.contributor.authorPENTERICCI, Lauraen_US
dc.contributor.authorPOZZETTI, Luciaen_US
dc.contributor.authorTalia, M.en_US
dc.contributor.authorZamorani, G.en_US
dc.contributor.authorCalabrò, A.en_US
dc.contributor.authorCRESCI, GIOVANNIen_US
dc.contributor.authorFynbo, J. P. U.en_US
dc.contributor.authorHathi, N. P.en_US
dc.contributor.authorGiavalisco, M.en_US
dc.contributor.authorKoekemoer, A.en_US
dc.contributor.authorMANNUCCI, FILIPPOen_US
dc.contributor.authorSAXENA, AAYUSHen_US
dc.date.accessioned2022-03-24T15:43:30Z-
dc.date.available2022-03-24T15:43:30Z-
dc.date.issued2020en_US
dc.identifier.issn0035-8711en_US
dc.identifier.urihttp://hdl.handle.net/20.500.12386/31889-
dc.description.abstractWe present the results of a new study investigating the relationship between observed Ly α equivalent width (W<SUB>λ</SUB>(Ly α)) and the metallicity of the ionizing stellar population ( Z<SUB>⋆</SUB>) for a sample of 768 star-forming galaxies at 3 ≤ z ≤ 5 drawn from the VANDELS survey. Dividing our sample into quartiles of rest-frame W<SUB>λ</SUB>(Ly α) across the range $-58 \,\rm {\mathring{\rm A}} \lesssim$ W<SUB>λ</SUB>(Ly α) $\lesssim 110 \,\rm {\mathring{\rm A}}$ , we determine Z<SUB>⋆</SUB> from full spectral fitting of composite far-ultraviolet spectra and find a clear anticorrelation between W<SUB>λ</SUB>(Ly α) and Z<SUB>⋆</SUB>. Our results indicate that Z<SUB>⋆</SUB> decreases by a factor ≳ 3 between the lowest W<SUB>λ</SUB>(Ly α) quartile (<W<SUB>λ</SUB>(Ly α) $\rangle =-18\,\rm {\mathring{\rm A}}$ ) and the highest W<SUB>λ</SUB>(Ly α) quartile (<W<SUB>λ</SUB>(Ly α) $\rangle =24\,\rm {\mathring{\rm A}}$ ). Similarly, galaxies typically defined as Lyman alpha emitters (LAEs; W<SUB>λ</SUB>(Ly α) $\gt 20\,\rm {\mathring{\rm A}}$ ) are, on average, metal poor with respect to the non-LAE galaxy population (W<SUB>λ</SUB>(Ly α) $\le 20\,\rm {\mathring{\rm A}}$ ) with Z<SUB>⋆</SUB><SUB>non-LAE</SUB> ≳ 2 × Z<SUB>⋆</SUB><SUB>LAE</SUB>. Finally, based on the best-fitting stellar models, we estimate that the increasing strength of the stellar ionizing spectrum towards lower Z<SUB>⋆</SUB> is responsible for ${\simeq}15{-}25{{\ \rm per\ cent}}$ of the observed variation in W<SUB>λ</SUB>(Ly α) across our sample, with the remaining contribution ( ${\simeq}75{-}85{{\ \rm per\ cent}}$ ) being due to a decrease in the H I/dust covering fractions in low- Z<SUB>⋆</SUB> galaxies.en_US
dc.language.isoengen_US
dc.titleThe VANDELS survey: a strong correlation between Ly α equivalent width and stellar metallicity at 3 ≤ z ≤ 5en_US
dc.typeArticle-
dc.identifier.doi10.1093/mnras/staa1260en_US
dc.identifier.scopus2-s2.0-85091979874en_US
dc.identifier.urlhttps://academic.oup.com/mnras/article/495/1/1501/5835232?login=trueen_US
dc.identifier.urlhttp://arxiv.org/abs/2001.11063v2en_US
dc.relation.mediumSTAMPAen_US
dc.relation.volume495en_US
dc.relation.issue1en_US
dc.relation.firstpage1501en_US
dc.relation.lastpage1510en_US
dc.type.refereeREF_1en_US
dc.description.internationalsìen_US
dc.contributor.countryITAen_US
dc.contributor.countryUSAen_US
dc.contributor.countryGBRen_US
dc.contributor.countryFRAen_US
dc.contributor.countryDEUen_US
dc.relation.scientificsectorFIS/05 - ASTRONOMIA E ASTROFISICAen_US
dc.relation.journalMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETYen_US
dc.type.miur262 Articolo in rivista-
dc.identifier.adsbibcode2020MNRAS.495.1501Cen_US
dc.relation.ercsectorERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentationen_US
dc.description.apcnoen_US
dc.description.oa1 – prodotto con file in versione Open Access (allegare il file al passo  5-Carica)en_US
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.journal.journalissn0035-8711-
crisitem.journal.anceE112946-
crisitem.author.deptOAS Bologna-
crisitem.author.deptO.A. Roma-
crisitem.author.deptOAS Bologna-
crisitem.author.deptO.A. Roma-
crisitem.author.deptO.A. Trieste-
crisitem.author.deptIASF Milano-
crisitem.author.deptO.A. Roma-
crisitem.author.deptOAS Bologna-
crisitem.author.deptO.A. Arcetri-
crisitem.author.deptO.A. Arcetri-
crisitem.author.orcid0000-0003-3278-4607-
crisitem.author.orcid0000-0001-9875-8263-
crisitem.author.orcid0000-0002-9336-7551-
crisitem.author.orcid0000-0003-3820-2823-
crisitem.author.orcid0000-0003-4744-0188-
crisitem.author.orcid0000-0001-7455-8750-
crisitem.author.orcid0000-0001-8940-6768-
crisitem.author.orcid0000-0001-7085-0412-
crisitem.author.orcid0000-0002-5281-1417-
crisitem.author.orcid0000-0002-4803-2381-
crisitem.author.orcid0000-0001-5333-9970-
Appears in Collections:1.01 Articoli in rivista
Files in This Item:
File Description SizeFormat
Cullen20.pdfPdf editoriale1.58 MBAdobe PDFView/Open
Show simple item record

Page view(s)

15
checked on Aug 16, 2022

Download(s)

3
checked on Aug 16, 2022

Google ScholarTM

Check

Altmetric

Altmetric


Items in DSpace are published in Open Access, unless otherwise indicated.


Explore by
  • Communities
    & Collections
  • Research outputs
  • Researchers
  • Organization units
  • Projects

Informazioni e guide per autori

https://openaccess-info.inaf.it: tutte le informazioni sull'accesso aperto in INAF

Come si inserisce un prodotto: le guide a OA@INAF

La Policy INAF sull'accesso aperto

Documenti e modelli scaricabili

Feedback
Built with DSpace-CRIS - Extension maintained and optimized by Logo 4SCIENCE