The VISTA Variables in the Via Lactea survey: A first glance on stellar variability

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dc.catalogadorpau
dc.contributor.authorDekany, I.
dc.contributor.authorCatelan, Marcio
dc.contributor.authorMinniti, D.
dc.contributor.authorthe VVV Collaboration
dc.date.accessioned2024-03-05T15:15:13Z
dc.date.available2024-03-05T15:15:13Z
dc.date.issued2011
dc.description.abstractVISTA Variables in the Via Lactea (VVV) is an ESO public near-infrared variability survey of the Galactic bulge and an adjacent area of the southern mid-plane. It will produce a deep atlas in the ZYJHKs filters, and a Ks-band time-series database of ~10^9 point sources, among which >~10^6 are expected to be variable. One of VVV's immediate scientific goals is to provide accurate light curves of primary distance indicators, such as RR Lyrae stars, and utilize these data to produce a 3-D map of the surveyed area and, ultimately, trace the structure of the inner Galaxy. We give, based on the first ~1.5 years of the 5-yr-long survey, an early assessment on the basic properties and the overall quality of the VVV photometric time-series, and use these data to put an estimate of the fraction of variable stellar sources.
dc.fechaingreso.objetodigital2024-04-22
dc.fuente.origenORCID
dc.identifier.doi10.48550/arXiv.1111.0909
dc.identifier.urihttps://doi.org/10.48550/arXiv.1111.0909
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/84135
dc.information.autorucInstituto de Astrofísica; Catelan , Marcio; 0000-0001-6003-8877; 1001556
dc.language.isoen
dc.nota.accesoContenido completo
dc.rightsacceso abierto
dc.titleThe VISTA Variables in the Via Lactea survey: A first glance on stellar variability
dc.typedocumento de trabajo
sipa.codpersvinculados1001556
sipa.trazabilidadORCID;2024-01-22
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