We describe the public ESO near-IR variability survey (VVV) scanning the Milky Way bulge and an adjacent section of the mid-plane where star formation activity is high. The survey will take 1929 h of observations with the 4-m VISTA telescope during 5 years (2010-2014), covering ∼10 9 point sources across an area of 520 deg 2 , including 33 known globular clusters and ∼350 open clusters. The final product will be a deep near-IR atlas in five passbands (0.9-2.5 μm) and a catalogue of more than 10 6 variable point sources. Unlike single-epoch surveys that, in most cases, only produce 2-D maps, the VVV variable star survey will enable the construction of a 3-D map of the surveyed region using well-understood distance indicators such as RR Lyrae stars, and Cepheids. It will yield important information on the ages of the populations. The observations will be combined with data from MACHO, OGLE, EROS, VST, Spitzer, HST, Chandra, INTEGRAL, WISE, Fermi LAT, XMM-Newton, GAIA and ALMA for a complete understanding of the variable sources in the inner Milky Way. This public survey will provide data available to the whole community and therefore will enable further studies of the history of the Milky Way, its globular cluster evolution, and the population census of the Galactic Bulge and center, as well as the investigations of the star forming regions in the disk. The combined variable star catalogues will have important implications for theoretical investigations of pulsation properties of stars. © 2009 Elsevier B.V. All rights reserved.
Documento: | Artículo |
Título: | VISTA Variables in the Via Lactea (VVV): The public ESO near-IR variability survey of the Milky Way |
Autor: | Minniti, D.; Lucas, P.W.; Emerson, J.P.; Saito, R.K.; Hempel, M.; Pietrukowicz, P.; Ahumada, A.V.; Alonso, M.V.; Alonso-Garcia, J.; Arias, J.I.; Bandyopadhyay, R.M.; Barbá, R.H.; Barbuy, B.; Bedin, L.R.; Bica, E.; Borissova, J.; Bronfman, L.; Carraro, G.; Catelan, M.; Clariá, J.J.; Cross, N.; de Grijs, R.; Dékány, I.; Drew, J.E.; Fariña, C.; Feinstein, C.; Lajús, E.F.; Gamen, R.C.; Geisler, D.; Gieren, W.; Goldman, B.; Gonzalez, O.A.; Gunthardt, G.; Gurovich, S.; Hambly, N.C.; Irwin, M.J.; Ivanov, V.D.; Jordán, A.; Kerins, E.; Kinemuchi, K.; Kurtev, R.; López-Corredoira, M.; Maccarone, T.; Masetti, N.; Merlo, D.; Messineo, M.; Mirabel, I.F.; Monaco, L.; Morelli, L.; Padilla, N.; Palma, T.; Parisi, M.C.; Pignata, G.; Rejkuba, M.; Roman-Lopes, A.; Sale, S.E.; Schreiber, M.R.; Schröder, A.C.; Smith, M.; Jr., L.S.; Soto, M.; Tamura, M.; Tappert, C.; Thompson, M.A.; Toledo, I.; Zoccali, M.; Pietrzynski, G. |
Filiación: | Departamento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Santiago 22, Chile Vatican Observatory, Vatican City State V- 00120, Italy Centre for Astrophysics Research, Science and Technology Research Institute, University of Hertfordshire, Hatfield, AL10 9AB, United Kingdom Astronomy Unit, School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London, E1 4NS, United Kingdom Nicolaus Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warszawa, Poland Observatorio Astronómico de Córdoba, Universidad Nacional de Córdoba, Laprida 854, 5000 Córdoba, Argentina European Southern Observatory, Av. Alonso Cordova 3107, Casilla 19, Santiago, 19001, Chile Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Rivadavia 1917, CP C1033AAJ Buenos Aires, Argentina Department of Astronomy, University of Michigan, Ann Arbor, MI 48109-1090, United States Departamento de Física, Universidad de La Serena, Benavente 980, La Serena, Chile Department of Astronomy, University of Florida, 211 Bryant Space Science Center, P.O. Box 112055, Gainesville, FL 32611-2055, United States Universidade de São Paulo, IAG, Rua do Matao 1226, Cidade Universitaria, São Paulo, 05508-900, Brazil Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, United States Universidade Federal do Rio Grande do Sul, IF, CP 15051, Porto Alegre 91501-970, RS, Brazil Departamento de Física y Astronomía, Facultad de Ciencias, Universidad de Valparaíso, Ave. Gran Bretaña 1111, Playa Ancha, Valparaíso, Chile Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile Institute for Astronomy, The University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh, EH9 3HJ, United Kingdom The Department of Physics and Astronomy, University of Sheffield, Hick Building, Hounsfield Road, Sheffield, S3 7RH, United Kingdom National Astronomical Observatories, Chinese Academy of Sciences, 20A, Datun Road, Chaoyang District, Beijing, 100021, China Konkoly Observatory, the Hungarian Academy of Sciences, P.O. Box 67, H-1525 Budapest, Hungary Astrophysics Group, Imperial College London, Blackett Laboratory, Prince Consort Road, London, SW7 2AZ, United Kingdom Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Instituto de Astrofísica La Plata, Paseo del Bosque S/N, B1900FWA La Plata, Argentina Departmento de Astronomía, Universidad de Concepción, Casilla 160-C, Concepción, Chile Max Planck Institute for Astronomy, Königstuhl 17, 69117 Heidelberg, Germany European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching, Germany Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, United Kingdom Jodrell Bank Centre for Astrophysics, The University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom Instituto de Astrofísica de Canarias, Via Lactea s/n, E38205 - La Laguna, Tenerife, Spain School of Physics and Astronomy, University of Southampton, Highfield, Southampton, SO17 1BJ, United Kingdom Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna, via Gobetti 101, 40129 Bologna, Italy Chester F. Carlson Centre for Imaging Science, Rochester Institute of Technology, 54 Lomb Memorial Drive, Rochester, NY 14623, United States The Astrophysics and Fundamental Physics Missions Division, Research and Scientific Support Department, Directorate of Science and Robotic Exploration, Postbus 299, 2200 AG Noordwijk, Netherlands Service d'Astrophysique - IRFU, CEA-Saclay, 91191 Gif sur Yvette, France Instituto de Astronomía y Física del Espacio, Casilla de Correo 67, Sucursal 28, Buenos Aires, Argentina Dipartimento di Astronomia, Universitá di Padova, vicolo dell'Osservatorio 3, 35122 Padova, Italy Departamento de Ciencias Fisicas, Universidad Andres Bello, Av. República, 252, Santiago, Chile Department of Physics and Astronomy, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom Hartebeesthoek Radio Astronomy Observatory, PO Box 443, Krugersdorp, 1740, South Africa The University of Kent, Canterbury, Kent CT2 7NZ, United Kingdom Division of Optical and Infrared Astronomy, National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588, Japan |
Palabras clave: | 95.80.+p; 97.30.-b; 98.35.Jk; 98.35.Ln; Galaxy: bulge; Galaxy: disk; Stars: variables: general; Surveys |
Año: | 2010 |
Volumen: | 15 |
Número: | 5 |
Página de inicio: | 433 |
Página de fin: | 443 |
DOI: | http://dx.doi.org/10.1016/j.newast.2009.12.002 |
Título revista: | New Astronomy |
Título revista abreviado: | New Astron |
ISSN: | 13841076 |
CODEN: | NEWAS |
Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_13841076_v15_n5_p433_Minniti |