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dc.contributor.author
Piatti, Andres Eduardo
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dc.contributor.author
Salinas, Ricardo
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dc.contributor.author
Grebel, Eva K.
dc.date.available
2021-02-01T19:52:08Z
dc.date.issued
2018-10-12
dc.identifier.citation
Piatti, Andres Eduardo; Salinas, Ricardo; Grebel, Eva K.; A likely runaway star cluster in the outer disc of the Large Magellanic Cloud; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 482; 1; 12-10-2018; 980-987
dc.identifier.issn
0035-8711
dc.identifier.uri
http://hdl.handle.net/11336/124428
dc.description.abstract
We present results from photometric and spectroscopic data obtained with SOAR and Gemini observatory facilities in the field of a recently discovered star cluster. The cluster, projected towards the Eastern side of the outer disc of the Large Magellanic Cloud (LMC),was originally placed nearly 10 kpc behind the LMC with an age and metallicity typical of the innermost LMC star cluster population.We assigned radial velocity (RV) memberships to stars observed spectroscopically, and derived the cluster age and distance from theoretical isochrone fitting to the cluster colour-magnitude diagram. The new object turned out to be a 0.9 Gyr old outer LMC disc cluster, which possibly reached the present position after being scattered from the innermost LMC regions where it might have been born. We arrived at this conclusion by examining the spatial distribution of LMC star clusters of similar age, by comparing the derived spectroscopic metallicity with that expected for an outside-in galaxy formation scenario, by considering the cluster internal dynamical stage as inferred from its derived structural parameters and by estimating the circular velocity of a disc that rotates with the corresponding star cluster radial velocity at the cluster's deprojected distance, which resulted to be nearly 60 per cent higher than that of most of the outer LMC disc clusters.
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
GALAXIES: INDIVIDUAL: LMC
dc.subject
GALAXIES: STAR CLUSTERS: GENERAL
dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
Otras Ciencias Naturales y Exactas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
A likely runaway star cluster in the outer disc of the Large Magellanic Cloud
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-11T19:25:00Z
dc.identifier.eissn
1365-2966
dc.journal.volume
482
dc.journal.number
1
dc.journal.pagination
980-987
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Piatti, Andres Eduardo. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina
dc.description.fil
Fil: Salinas, Ricardo. Gemini Observatorysouthern Operations Center; Chile
dc.description.fil
Fil: Grebel, Eva K.. Ruprecht Karls Universitat Heidelberg. Fakultat Fur Physik And Astronomie.; Alemania
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/482/1/980/5128516?login=true
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1093/mnras/sty2761
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