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Aims. The windows of low extinction in the Milky Way (MW) plane are rare but important because they enable us to place structural constraints on the opposite side of the Galaxy, which has hither to been done rarely. Methods. We use the near-infrared (near-IR) images of the VISTA Variables in the ...


Minniti, D.Saito, R.K.Gonzalez, O.A.Alonso-García, J.Rejkuba, M.Barbá, R.Irwin, M.Kammers, R.Lucas, P.W.Majaess, D.Valenti, E.[A new near-IR window of low extinction in the Galactic plane]A new near-IR window of low extinction in the Galactic plane

Deep near-IR images from the VISTA Variables in the Via Lactea (VVV) Survey were used to search for RR Lyrae stars in the Southern Galactic plane. A sizable sample of 404 RR Lyrae of type ab stars was identified across a thin slice of the fourth Galactic quadrant (295 degrees < l < 350 degrees, -...


Minniti, D.Dékány, I.Majaess, D.Palma, T.Pullen, J.Rejkuba, M.Alonso-García, J.Catelan, M.Contreras Ramos, R.Gonzalez, O.A.Hempel, M.Irwin, M.lLucas, P.W.Saito, R.K.Tissera, P.Valenti, E.Zoccali, M.[Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane]Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane

Context. The inner regions of the Galaxy are severely affected by extinction, which limits our capability to study the stellar populations present there. The Vista Variables in the Vía Láctea (VVV) ESO Public Survey has observed this zone at near-infrared wavelengths where reddening is highly dim...


Alonso-García, J.Saito, R.K.Hempel, M.Minniti, D.Pullen, J.Catelan, M.Ramos, R.C.Cross, N.J.G.Gonzalez, O.A.Lucas, P.W.Palma, T.Valenti, E.Zoccali, M.[Milky Way demographics with the VVV survey: IV. PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk]Milky Way demographics with the VVV survey: IV. PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk

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