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Article 2018-08

Autor: 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.

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 ...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/10908

Repositorio Universidad Andrés Bello
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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
Article 2018-10

Autor: Lemasle, B. Hajdu, G. Kovtyukh, V. Inno, L. Grebel, E.K. Catelan, M. Bono, G. François, P. Kniazev, A. Da Silva, R. Storm, J.

Context. The ratio of the first overtone (1O)/fundamental (F) periods of mixed-mode Cepheids that pulsate simultaneously in these two modes (F/1O) is metallicity-dependent. It can therefore be used to characterize the systems that host such variable stars. Aims. We want to take advantage of the F...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11499

Repositorio Universidad Andrés Bello
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Lemasle, B. ,  Hajdu, G. ,  Kovtyukh, V. ,  Inno, L. ,  Grebel, E.K. ,  Catelan, M. ,  Bono, G. ,  François, P. ,  Kniazev, A. ,  Da Silva, R. ,  Storm, J. ,  [Milky Way metallicity gradient from Gaia DR2 F/1O double-mode Cepheids] ,  Milky Way metallicity gradient from Gaia DR2 F/1O double-mode Cepheids
Article 2018-09

Autor: Magrini, L. Spina, L. Randich, S. Friel, E. Kordopatis, G. Worley, C. Pancino, E. Bragaglia, A. Donati, P. Tautvaišienė, G. Bagdonas, V. Delgado-Mena, E. Adibekyan, V. Sousa, S.G. Jiménez-Esteban, F.M. Sanna, N. Roccatagliata, V. Bonito, R. Sbordone, L. Duffau, S. Gilmore, G. Feltzing, S. Jeffries, R.D. Vallenari, A. Alfaro, E.J. Bensby, T. Francois, P. Koposov, S. Korn, A.J. Recio-Blanco, A. Smiljanic, R. Bayo, A. Carraro, G. Casey, A.R. Costado, M.T. Damiani, F. Franciosini, E. Frasca, A. Hourihane, A. Jofré, P. De Laverny, P. Lewis, J. Masseron, T. Monaco, L. Morbidelli, L. Prisinzano, L. Sacco, G. Zaggia, S.

Context. Several works have found an increase of the abundances of the s-process neutron-capture elements in the youngest Galactic stellar populations. These trends provide important constraints on stellar and Galactic evolution and they need to be confirmed with large and statistically significa...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11307

Repositorio Universidad Andrés Bello
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Magrini, L. ,  Spina, L. ,  Randich, S. ,  Friel, E. ,  Kordopatis, G. ,  Worley, C. ,  Pancino, E. ,  Bragaglia, A. ,  Donati, P. ,  Tautvaišienė, G. ,  Bagdonas, V. ,  Delgado-Mena, E. ,  Adibekyan, V. ,  Sousa, S.G. ,  Jiménez-Esteban, F.M. ,  Sanna, N. ,  Roccatagliata, V. ,  Bonito, R. ,  Sbordone, L. ,  Duffau, S. ,  Gilmore, G. ,  Feltzing, S. ,  Jeffries, R.D. ,  Vallenari, A. ,  Alfaro, E.J. ,  Bensby, T. ,  Francois, P. ,  Koposov, S. ,  Korn, A.J. ,  Recio-Blanco, A. ,  Smiljanic, R. ,  Bayo, A. ,  Carraro, G. ,  Casey, A.R. ,  Costado, M.T. ,  Damiani, F. ,  Franciosini, E. ,  Frasca, A. ,  Hourihane, A. ,  Jofré, P. ,  De Laverny, P. ,  Lewis, J. ,  Masseron, T. ,  Monaco, L. ,  Morbidelli, L. ,  Prisinzano, L. ,  Sacco, G. ,  Zaggia, S. ,  [The Gaia -ESO Survey: The origin and evolution of s -process elements] ,  The Gaia -ESO Survey: The origin and evolution of s -process elements
Article 2018-12

Autor: Borissova, J. Ivanov, V.D. Lucas, P.W. Kurtev, R. Alonso-Garcia, J. Ramírez Alegría, S. Minniti, D. Froebrich, D. Hempel, M. Medina, N. Chené, A.-N. Kuhn, M.A.

The 'VISTA Variables in the Vía Láctea eXtended (VVVX)' ESO Public Survey is a nearinfrared photometric sky survey that covers nearly 1700 deg2 towards the Galactic disc and bulge. It is well-suited to search for newopen clusters, hidden behind dust and gas. The pipeline processed and calibrated ...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11344

Repositorio Universidad Andrés Bello
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Borissova, J. ,  Ivanov, V.D. ,  Lucas, P.W. ,  Kurtev, R. ,  Alonso-Garcia, J. ,  Ramírez Alegría, S. ,  Minniti, D. ,  Froebrich, D. ,  Hempel, M. ,  Medina, N. ,  Chené, A.-N. ,  Kuhn, M.A. ,  [New Galactic star clusters discovered in the disc area of the VVVX survey] ,  New Galactic star clusters discovered in the disc area of the VVVX survey
Article 2018-11

Autor: 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.

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...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11489

Repositorio Universidad Andrés Bello
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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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