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dc.contributor.author
Hough, Tomas
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dc.contributor.author
Gurung López, Siddhartha
dc.contributor.author
Orsi, Álvaro
dc.contributor.author
Cora, Sofia Alejandra
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dc.contributor.author
Lacey, Cedric G
dc.contributor.author
Baugh, Carlton M
dc.date.available
2021-09-30T13:21:55Z
dc.date.issued
2020-12
dc.identifier.citation
Hough, Tomas; Gurung López, Siddhartha; Orsi, Álvaro; Cora, Sofia Alejandra; Lacey, Cedric G; et al.; Are Ly α emitters segregated in protoclusters regions?; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 499; 2; 12-2020; 2104-2115
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/142044
dc.description.abstract
The presence of neutral hydrogen in the interstellar medium (ISM) and intergalactic medium (IGM) induces radiative transfer (RT) effects on LyαLyα photons that affect the observability of Lyman alpha emitters (LAEs). We use the GALFORM semi-analytic model of galaxy formation and evolution to analyse how these effects shape the spatial distribution of LAEs with respect to HαHα emitters (HAEs) around high-density regions at high redshift. We find that when a large sample of protoclusters is considered, HAEs showing also LyαLyα emission (HAEs + LAEs) populate the same regions as those that do not display the LyαLyα line at zz = 2.2. We compare against the protocluster USS1558-003, one of the most massive protoclusters located at zz = 2.53. Our results indicate that the strong depletion of HAEs + LAEs present in the high-density regions of USS1558-003 may be due to cosmic variance. We find that at zz = 2.2 and zz = 3.0, RT of the ISM produces a strong decline (30-50 per cent) of the clustering amplitude of HAEs + LAEs with respect to HAEs towards the protoclusters centre. At zz = 5.7, given the early evolutionary state of protoclusters and galaxies, the clustering of HAEs + LAEs has a smaller variation (10-20 per cent) towards the protoclusters centre. Depending on the equivalent width and luminosity criteria of the emission-line galaxy sample, the IGM can have a mild or a null effect on galaxy properties and clustering in high-density regions.
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
Radiative transfer
dc.subject
methods: numerical
dc.subject
Galaxies: clusters: general
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Galaxies: high-redshift
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Galaxies: clusters: intracluster medium
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Are Ly α emitters segregated in protoclusters regions?
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2021-07-01T15:00:29Z
dc.journal.volume
499
dc.journal.number
2
dc.journal.pagination
2104-2115
dc.journal.pais
Reino Unido
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dc.description.fil
Fil: Hough, Tomas. 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: Gurung López, Siddhartha. Department Of Physics, Missouri University Of Science; Estados Unidos
dc.description.fil
Fil: Orsi, Álvaro. Centro de Estudios de Física del Cosmos de Aragón; España
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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
dc.description.fil
Fil: Lacey, Cedric G. Institute For Computational Cosmology; Reino Unido
dc.description.fil
Fil: Baugh, Carlton M. Institute For Computational Cosmology; Reino Unido
dc.journal.title
Monthly Notices of the Royal Astronomical Society
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/499/2/2104/5917099
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