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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/58552
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dc.creatorJacqueline Carolina Serón Navarretept_BR
dc.creatorAlexandre Roman Lopespt_BR
dc.creatorFábio Pereira Santospt_BR
dc.creatorGabriel Armando Pellegatti Francopt_BR
dc.creatorWilson Reis Juniorpt_BR
dc.date.accessioned2023-09-11T17:14:46Z-
dc.date.available2023-09-11T17:14:46Z-
dc.date.issued2016-
dc.citation.volume462pt_BR
dc.citation.issue2pt_BR
dc.citation.spage2266pt_BR
dc.citation.epage2274pt_BR
dc.identifier.doihttps://doi.org/10.1093/mnras/stw1666pt_BR
dc.identifier.issn1365-2966pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/58552-
dc.description.resumoWe present a polarimetric study of the RCW121 star-forming region to derive the orientation of the sky-projected magnetic field component traced by the polarization vectors, the morphology of which tends to follow the cloud's structure. Individual polarization-angle values are consistent across the different bands, having a broad distribution towards the RCW121 H II region. We estimate the corresponding magnetic field orientation in the H II region to have a mean value of −12° ± 7°. RCW121 shows an elongated shape in the same direction as the magnetic field orientation, which may be evidence that magnetic pressure opposes the H II region expansion. Serkowski's relation was used to determine individual values of the total-to-selective extinction ratio (RV) distribution and a weighted mean value of RV = 3.17 ± 0.05. We derive a foreground component of the polarization degree that is consistent with the literature value for this Galactic region.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICX - DEPARTAMENTO DE FÍSICApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society-
dc.rightsAcesso Abertopt_BR
dc.subjectStarspt_BR
dc.subjectOpticspt_BR
dc.subjectNear-infrared polarimetric studypt_BR
dc.subject.otherPolarimetriapt_BR
dc.subject.otherAstrofísicapt_BR
dc.subject.otherMeio interestelarpt_BR
dc.subject.otherPolarização (Luz)pt_BR
dc.titleOptical and near-infrared polarimetric study of the RCW121 galactic H II regionpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://academic.oup.com/mnras/article/462/2/2266/2589405pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-1379-4204pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-2020-2649pt_BR
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