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.l
,
Lucas, P.W.
,
Saito, R.K.
,
Tissera, P.
,
Valenti, E.
,
Zoccali, M.
,
[Characterization of the VVV Survey RR Lyrae Population across the Southern Galactic Plane]
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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]
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Milky Way demographics with the VVV survey: IV. PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk
Deep near-IR images from the VISTA Variables in the V a L ctea (VVV) Survey were used to search for RR Lyrae stars within 100 arcmin from the Galactic Center. A large sample of 960 RR Lyrae of type ab (RRab) stars were discovered. A catalog is presented featuring the positions, magnitudes, colors...
Contreras Ramos, R.
,
Minniti, D.
,
Gran, F.
,
Zoccali, M.
,
Alonso-Garcia, J.
,
Huijse, P.
,
Navarro, M.G.
,
Rojas-Arriagada, A.
,
Valenti, E.
,
[The VVV Survey RR Lyrae Population in the Galactic Center Region]
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The VVV Survey RR Lyrae Population in the Galactic Center Region
Context. The VISTA Variables in the Vía Láctea (VVV) is a near-IR time-domain survey of the Galactic bulge and southern plane. One of the main goals of this survey is to reveal the 3D structure of the Milky Way through their variable stars. In particular, enormous numbers of RR Lyrae stars have b...
Gran, F.
,
Minniti, D.
,
Saito, R. K.
,
Zoccali, M.
,
Gonzalez, O. A.
,
Navarrete, C.
,
Catelan, M.
,
Contreras Ramos, R.
,
Elorrieta, F.
,
Eyheramendy, S.
,
Jordán, A.
,
[Mapping the outer bulge with RRab stars from the VVV Survey]
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Mapping the outer bulge with RRab stars from the VVV Survey