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        Stellar variability in the VVV survey : Overview and first results

        Author
        Catelan, M.
        Minniti, D.
        Lucas, P.W.
        Dékány, I.
        Saito, R. K.
        Angeloni, R.
        Alonso-García, J.
        Hempel, M.
        Hełminiak, K.
        Jordán, A.
        Ramos, R. Contreras
        Navarrete, C.
        Beamín, J. C.
        Rojas, A. F.
        Gran, F.
        Lopes, C. E Ferreira
        Peña, C. Contreras
        Kerins, E.
        Huckvale, L.
        Rejkuba, M.
        Cohen, R.
        Mauro, F.
        Borissova, J.
        Amigo, P.
        Eyheramendy, S.
        Pichara, K.
        Espinoza, N.
        Navarro, C.
        Hajdu, G.
        Espinoza, D. N Calderón
        Muro, G. A.
        Andrews, H.
        Motta, V.
        Kurtev, R.
        Emerson, J.P.
        Bidin, C. Moni
        Chené, A.-N.
        Attention
        2299/14710
        Abstract
        The Vista Variables in the Vía Láctea (VVV) ESO Public Survey is an ongoing time-series, near-infrared (IR) survey of the Galactic bulge and an adjacent portion of the inner disk, covering 562 square degrees of the sky, using ESO's VISTA telescope. The survey has provided superb multi-color photometry in 5 broadband filters (Z, Y, J, H, and Ks), leading to the best map of the inner Milky Way ever obtained, particularly in the near-IR. The main part of the survey, which is focused on the variability in the Ks-band, is currently underway, with bulge fields observed between 34 and 73 times, and disk fields between 34 and 36 times. When the survey is complete, bulge (disk) fields will have been observed up to a total of 100 (60) times, providing unprecedented depth and time coverage in the near-IR. Here we provide a first overview of stellar variability in the VVV data.
        Publication date
        2014-03-03
        Published in
        Precision Asteroseismology
        Published version
        https://doi.org/10.1017/S1743921313014725
        Other links
        http://hdl.handle.net/2299/14710
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