The VISCACHA survey - IV. The SMC West Halo in 8D

dc.creatorBruno Moreira de Souza Dias
dc.creatorDavid Sanmartim
dc.creatorBruno Corrêa Quint
dc.creatorLuciano Fraga
dc.creatorBeatriz Leonor Silveira Barbuy
dc.creatorEduardo Luiz Damiani Bica
dc.creatorOrlando José Katime Santrich
dc.creatorJosé Andrés Hernandez Jimenez
dc.creatorDouglas Paul Geisler
dc.creatorDante Minniti del Barco
dc.creatorBruno Javier De Bórtoli
dc.creatorMaria Celeste Parisi
dc.creatorLilia Patricia Bassino
dc.creatorJ. P. Rocha
dc.creatorMateus de Souza Angelo
dc.creatorFrancisco Ferreira de Souza Maia
dc.creatorRaphael Augusto Pereira de Oliveira
dc.creatorStefano Oliveira de Souza
dc.creatorLeandro de Oliveira Kerber
dc.creatorJoão Francisco Coelho dos Santos Junior
dc.creatorMaria de los Angeles Perez Villegas
dc.date.accessioned2024-03-04T19:15:51Z
dc.date.accessioned2025-09-09T00:09:58Z
dc.date.available2024-03-04T19:15:51Z
dc.date.issued2022
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1093/mnras/stac259
dc.identifier.issn1365-2966
dc.identifier.urihttps://hdl.handle.net/1843/65138
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.rightsAcesso Aberto
dc.subjectGaláxias
dc.subjectAglomerado de estrelas
dc.subject.otherGalaxies
dc.subject.otherMagellanic clouds
dc.subject.otherStar clusters
dc.titleThe VISCACHA survey - IV. The SMC West Halo in 8D
dc.typeArtigo de periódico
local.citation.epage4351
local.citation.issue3
local.citation.spage4334
local.citation.volume512
local.description.resumoThe structure of the Small Magellanic Cloud (SMC) is very complex, in particular in the periphery that suffers more from the interactions with the Large Magellanic Cloud (LMC). A wealth of observational evidence has been accumulated revealing tidal tails and bridges made up of gas, stars, and star clusters. Nevertheless, a full picture of the SMC outskirts is only recently starting to emerge with a 6D phase-space map plus age and metallicity using star clusters as tracers. In this work, we continue our analysis of another outer region of the SMC, the so-called West Halo, and combined it with the previously analysed Northern Bridge. We use both structures to define the Bridge and Counter-bridge trailing and leading tidal tails. These two structures are moving away from each other, roughly in the SMC–LMC direction. The West Halo form a ring around the SMC inner regions that goes up to the background of the Northern Bridge shaping an extended layer of the Counter-bridge. Four old Bridge clusters were identified at distances larger than 8 kpc from the SMC centre moving towards the LMC, which is consistent with the SMC–LMC closest distance of 7.5 kpc when the Magellanic Bridge was formed about 150Myr ago; this shows that the Magellanic Bridge was not formed only by pulled gas, but it also removed older stars from the SMC during its formation. We also found age and metallicity radial gradients using projected distances on sky, which are vanished when we use the real 3D distances.
local.identifier.orcidhttps://orcid.org/0000-0003-4254-7111
local.identifier.orcidhttps://orcid.org/0000-0002-9238-9521
local.identifier.orcidhttps://orcid.org/0000-0002-1557-3560
local.identifier.orcidhttps://orcid.org/0000-0003-0680-1979
local.identifier.orcidhttps://orcid.org/0000-0001-9264-4417
local.identifier.orcidhttps://orcid.org/0000-0003-0439-2331
local.identifier.orcidhttps://orcid.org/0000-0002-2925-1861
local.identifier.orcidhttps://orcid.org/0000-0002-7064-099X
local.identifier.orcidhttps://orcid.org/0000-0002-1005-3080
local.identifier.orcidhttps://orcid.org/0000-0001-5172-1586
local.identifier.orcidhttps://orcid.org/0000-0003-3152-6497
local.identifier.orcidhttps://orcid.org/0000-0001-6138-0674
local.identifier.orcidhttps://orcid.org/0000-0002-2569-4032
local.identifier.orcidhttps://orcid.org/0000-0002-4778-9243
local.identifier.orcidhttps://orcid.org/0000-0001-8052-969X
local.identifier.orcidhttps://orcid.org/0000-0002-7435-8748
local.identifier.orcidhttps://orcid.org/0000-0003-1794-6356
local.publisher.countryBrasil
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://academic.oup.com/mnras/article/512/3/4334/6528379

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