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The VMC survey - x. cepheids, RR lyrae stars and binaries as probes of the magellanic system's structure

Moretti, M I; Clementini, G; Muraveva, T.; Ripepi, V; Marquette, J B; Cioni, M R; Marconi, M; Girardi, L; Rubele, S; Tisserand, Patrick; de Grijs, Richard

Description

The VISTA near-infrared Y, J, Ks survey of the Magellanic System (VMC) survey is obtaining multi-epoch photometry in the Ks band of theMagellanic System down to a limiting magnitude of Ks ~ 19.3 for individual epoch data. The observations are spaced in time such as to provide optimal sampling of the light curves for RR Lyrae stars and for Cepheids with periods up to 20-30 d.We present examples of the Ks-band light curves of Classical Cepheids and RR Lyrae stars we are obtaining from the VMC...[Show more]

dc.contributor.authorMoretti, M I
dc.contributor.authorClementini, G
dc.contributor.authorMuraveva, T.
dc.contributor.authorRipepi, V
dc.contributor.authorMarquette, J B
dc.contributor.authorCioni, M R
dc.contributor.authorMarconi, M
dc.contributor.authorGirardi, L
dc.contributor.authorRubele, S
dc.contributor.authorTisserand, Patrick
dc.contributor.authorde Grijs, Richard
dc.date.accessioned2015-12-10T23:31:38Z
dc.identifier.issn0035-8711
dc.identifier.urihttp://hdl.handle.net/1885/68723
dc.description.abstractThe VISTA near-infrared Y, J, Ks survey of the Magellanic System (VMC) survey is obtaining multi-epoch photometry in the Ks band of theMagellanic System down to a limiting magnitude of Ks ~ 19.3 for individual epoch data. The observations are spaced in time such as to provide optimal sampling of the light curves for RR Lyrae stars and for Cepheids with periods up to 20-30 d.We present examples of the Ks-band light curves of Classical Cepheids and RR Lyrae stars we are obtaining from the VMC data and outline the strategy we put in place to measure distances and infer the System three-dimensional geometry from the variable stars. For this purpose, the near-infrared Period-Luminosity, Period-Wesenheit and Period-Luminosity- Colour relations of the system RR Lyrae stars and Cepheids are used. We extensively exploit the catalogues of the Magellanic Clouds' variable stars provided by the EROS-2 and OGLE III/IV microlensing surveys. By combining these surveys, we present the currently widest-area view of the Large Magellanic Cloud as captured by the galaxy Cepheids, RR Lyrae stars and binaries. This reveals the full extent of the main structures (bar/s - spiral arms) that have only been vaguely guessed before. Our work strengthens the case for a detailed study of the Large Magellanic Cloud three-dimensional geometry.
dc.publisherBlackwell Publishing Ltd
dc.sourceMonthly Notices of the Royal Astronomical Society
dc.titleThe VMC survey - x. cepheids, RR lyrae stars and binaries as probes of the magellanic system's structure
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume437
dc.date.issued2014
local.identifier.absfor020100 - ASTRONOMICAL AND SPACE SCIENCES
local.identifier.ariespublicationU3488905xPUB1808
local.type.statusPublished Version
local.contributor.affiliationMoretti, M I, University of Bologna
local.contributor.affiliationClementini, G, INAF, Osservatorio Astronomico di Bologna
local.contributor.affiliationMuraveva, T., INAF-Osservatorio Astronomico di Bologna
local.contributor.affiliationRipepi, V, Osservatorio Astronomico di Capodimonte
local.contributor.affiliationMarquette, J B, Universite Pierre & Marie Curie
local.contributor.affiliationCioni, M R, University of Hertfordshire
local.contributor.affiliationMarconi, M, INAF - Osservatorio Astronomico di Capodimonte
local.contributor.affiliationGirardi, L, INAF-Osservatorio Astrofisicio di Padova
local.contributor.affiliationRubele, S, Osservatorio Astronomico di Padova
local.contributor.affiliationTisserand, Patrick, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationde Grijs, Richard, Peking University
local.description.embargo2037-12-31
local.bibliographicCitation.issue3
local.bibliographicCitation.startpage2702
local.bibliographicCitation.lastpage2719
local.identifier.doi10.1093/mnras/stt2081
dc.date.updated2015-12-10T11:15:35Z
local.identifier.scopusID2-s2.0-84891370601
local.identifier.thomsonID000329158900052
CollectionsANU Research Publications

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