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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 1929h of observations with the 4-m VISTA telescope during 5 years (2010–2014), covering ∼10 9 point sources across an area of 520deg 2 , including 33 known globular clusters and ∼350 open clusters...
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