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dc.contributor.author
Botan, E.  
dc.contributor.author
Saito, Roberto  
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Minniti, D.  
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Kanaan, A.  
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Contreras Ramos, R.  
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Ferreira, T. S.  
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Gramajo, Luciana Veronica  
dc.contributor.author
Navarro, M. G.  
dc.date.available
2022-02-25T13:41:41Z  
dc.date.issued
2021-06  
dc.identifier.citation
Botan, E.; Saito, Roberto; Minniti, D.; Kanaan, A.; Contreras Ramos, R.; et al.; Unveiling short-period binaries in the inner VVV bulge; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 504; 1; 6-2021; 654-666  
dc.identifier.issn
0035-8711  
dc.identifier.uri
http://hdl.handle.net/11336/152733  
dc.description.abstract
Most of our knowledge of the structure of the Milky Way has come from the study of variable stars. Among these variables, mimicking the periodic variation of pulsating stars, are eclipsing binaries. These stars are important in astrophysics because they allow us to directly measure the radii and masses of the components, as well as the distance to the system, thus being useful in studies of Galactic structure alongside pulsating RR Lyrae and Cepheids. Using the distinguishing features of their light curves, one can identify them using a semi-automated process. In this work, we present a strategy to search for eclipsing variables in the inner VVV bulge across an area of 13.4 deg2 within 1.68° < l < 7.53° and-3.73° < b <-1.44°, corresponding to the VVV tiles b293-b296 and b307-b310. We accurately classify 212 previously unknown eclipsing binaries, including six very reddened sources. A preliminary analysis suggests that these eclipsing binaries are located in the most obscured regions of the foreground disc and bulge of the Galaxy. This search is therefore complementary to other variable-star searches carried out at optical wavelengths.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Wiley Blackwell Publishing, Inc  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/  
dc.subject
BINARIES: ECLIPSING  
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GALAXY: BULGE  
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GALAXY: DISC  
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GALAXY: STELLAR CONTENT  
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SURVEYS  
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Astronomía  
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Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Unveiling short-period binaries in the inner VVV bulge  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2022-02-22T15:53:56Z  
dc.identifier.eissn
1365-2966  
dc.journal.volume
504  
dc.journal.number
1  
dc.journal.pagination
654-666  
dc.journal.pais
Reino Unido  
dc.journal.ciudad
Londres  
dc.description.fil
Fil: Botan, E.. Universidade Federal de Santa Catarina; Brasil. Universidade Federal de Mato Grosso; Brasil  
dc.description.fil
Fil: Saito, Roberto. Universidade Federal de Santa Catarina; Brasil  
dc.description.fil
Fil: Minniti, D.. Universidad Andrés Bello; Chile. Vatican Observatory; Italia  
dc.description.fil
Fil: Kanaan, A.. Universidade Federal de Santa Catarina; Brasil  
dc.description.fil
Fil: Contreras Ramos, R.. Pontificia Universidad Católica de Chile; Chile. Instituto Milenio de Astrofísica; Chile  
dc.description.fil
Fil: Ferreira, T. S.. Universidade Federal de Santa Catarina; Brasil  
dc.description.fil
Fil: Gramajo, Luciana Veronica. Universidad Nacional de Córdoba. Observatorio Astronómico de Córdoba. Departamento de Astrofísica Estelar; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba; Argentina  
dc.description.fil
Fil: Navarro, M. G.. Universidad Andrés Bello; Chile. Università degli Studi di Roma "La Sapienza"; Italia. Instituto Milenio de Astrofísica; Chile  
dc.journal.title
Monthly Notices of the Royal Astronomical Society  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/504/1/654/6239328  
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info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/mnras/stab888  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/2103.16023