Small-scale star formation as revealed by VVVX galactic cluster candidates

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dc.contributor.authorBorissova J.
dc.contributor.authorKurtev R.
dc.contributor.authorAmarinho N.
dc.contributor.authorAlonso-García J.
dc.contributor.authorRamírez Alegría S.
dc.contributor.authorBernal S.
dc.contributor.authorMedina N.
dc.contributor.authorChené A.-N.
dc.contributor.authorIvanov V.D.
dc.contributor.authorLucas P.W.
dc.contributor.authorMinniti D.
dc.date.accessioned2021-08-26T19:03:50Z
dc.date.available2021-08-26T19:03:50Z
dc.date.issued2020-12
dc.descriptionIndexación Scopuses
dc.description.abstractWe report a search and analysis of obscured cluster candidates in the 'VISTA Variables in the Via Lactea eXtended (VVVX)' ESO Public Survey area encompassing the region between 229◦.4 < l < 295◦.2 and −4◦.3 < b < 4◦.4 of the southern Galactic disc. We discover and propose 88 new clusters. We improve the completeness of the embedded cluster population in this region, adding small size (linear diameters of 0.2-1.4 pc) and relatively far objects (heliocentric distance between 2 and 4 kpc) to existing catalogues. Nine candidates are proposed to be older open cluster candidates. Three of them (VVVX CL 204, CL 207, CL 208) have sufficient numbers of well-resolved stellar members to allow us to determine some basic cluster parameters. We confirm their nature as older, low-mass open clusters. Photometric analysis of 15 known clusters shows that they have ages above 20 Myr, and masses below 2000 M☉: in general, their proper motions follow the motion of the disc. We outline some groups of clusters, most probably formed within the same dust complex. Broadly, our candidates follow the network of filamentary structure in the remaining dust. Thus, in this part of the southern disc of the Galaxy, we have found recent star formation, producing small size and young clusters, in addition to the well-known, massive young clusters, including NGC 3603, Westerlund 2, and the Carina Nebula Complex. © 2020 The Author(s)es
dc.description.urihttps://academic-oup-com.recursosbiblioteca.unab.cl/mnras/article/499/3/3522/5917430
dc.identifier.citationMonthly Notices of the Royal Astronomical Society, Volume 499, Issue 3, Pages 3522 - 35331 December 2020es
dc.identifier.doi10.1093/mnras/staa3045
dc.identifier.issn00358711
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/19997
dc.language.isoenes
dc.publisherOxford University Presses
dc.subjectOpen Clusterses
dc.subjectMagellanic Cloudses
dc.subjectStar Distributiones
dc.titleSmall-scale star formation as revealed by VVVX galactic cluster candidateses
dc.typeArtículoes
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