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Article 2016-09

Autor: Kurtev, R. Gromadzki, M. Beamín, J.C. Folkes, S.L. Pena Ramirez, K. Ivanov, V.D. Borissova, J. Villanueva, V. Minniti, D. Mendez, R. Lucas, P.W. Smith, L.C. Pinfield, D.J. Kuhn, M.A. Jones, H.R.A. Antonova, A. Yip, A.K.P.

Knowledge of the stellar content near the Sun is important for a broad range of topics ranging from the search for planets to the study of Milky Way (MW) structure. The most powerful method for identifying potentially nearby stars is proper motion (PM) surveys. All old optical surveys avoid, or a...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/4243

Repositorio Universidad Andrés Bello
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Kurtev, R. ,  Gromadzki, M. ,  Beamín, J.C. ,  Folkes, S.L. ,  Pena Ramirez, K. ,  Ivanov, V.D. ,  Borissova, J. ,  Villanueva, V. ,  Minniti, D. ,  Mendez, R. ,  Lucas, P.W. ,  Smith, L.C. ,  Pinfield, D.J. ,  Kuhn, M.A. ,  Jones, H.R.A. ,  Antonova, A. ,  Yip, A.K.P. ,  [VVV high proper motion stars – I. The catalogue of bright KS ≤ 13.5 stars] ,  VVV high proper motion stars – I. The catalogue of bright KS ≤ 13.5 stars
Article 2018-09

Autor: Medina, N. Borissova, J. Bayo, A. Kurtev, R. Navarro Molina, C. Kuhn, M. Kumar, N. Lucas, P.W. Catelan, M. Minniti, D. Smith, L.C.

Time-varying phenomena are one of the most substantial sources of astrophysical information, and their study has led to many fundamental discoveries in modern astronomy. We have developed an automated tool to search for and analyze variable sources in the near-infrared K s band using the data fro...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/11126

Repositorio Universidad Andrés Bello
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Medina, N. ,  Borissova, J. ,  Bayo, A. ,  Kurtev, R. ,  Navarro Molina, C. ,  Kuhn, M. ,  Kumar, N. ,  Lucas, P.W. ,  Catelan, M. ,  Minniti, D. ,  Smith, L.C. ,  [An Automated Tool to Detect Variable Sources in the Vista Variables in the Vía Láctea Survey: The VVV Variables (V4) Catalog of Tiles d001 and d002] ,  An Automated Tool to Detect Variable Sources in the Vista Variables in the Vía Láctea Survey: The VVV Variables (V4) Catalog of Tiles d001 and d002
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 2016-10

Autor: Carballo-Bello, Julio A. Ramírez Alegría, S. Borissova, J. Smith, L. C. Kurtev, R. Lucas, P. W. Moni Bidin, Ch. Alonso-García, J. Minniti, D. Palma, T. Dékány, I. Medina, N. Moyano, M. Villanueva, V. Kuhn, M. A.

We present deep near-infrared photometry and spectroscopy of the globular cluster 2MASS-GC 03 projected in the Galactic disc using MMT and Magellan Infrared Spectrograph on the Clay Telescope (Las Campanas Observatory) and VISTA Variables in the Via Lactea Survey data. Most probable cluster membe...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/2965

Repositorio Universidad Andrés Bello
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Carballo-Bello, Julio A. ,  Ramírez Alegría, S. ,  Borissova, J. ,  Smith, L. C. ,  Kurtev, R. ,  Lucas, P. W. ,  Moni Bidin, Ch. ,  Alonso-García, J. ,  Minniti, D. ,  Palma, T. ,  Dékány, I. ,  Medina, N. ,  Moyano, M. ,  Villanueva, V. ,  Kuhn, M. A. ,  [Near-infrared photometry and spectroscopy of the low Galactic latitude globular cluster 2MASS-GC 03] ,  Near-infrared photometry and spectroscopy of the low Galactic latitude globular cluster 2MASS-GC 03
Article 2016-09

Autor: Borissova, J. Ramírez Alegría, S. Alonso, J. Lucas, P. W. Kurtev, R. Medina, N. Navarro, C. Kuhn, M. Gromadzki, M. Retamales, G. Fernandez, M. A. Agurto-Gangas, C. Chené, A.-N. Minniti, D. Contreras Pena, C. Catelan, M. Decany, I. Thompson, M. A. Morales, E. F. E. Amigo, P.

The purpose of this research is to study the connections of the global properties of eight young stellar clusters projected in the Vista Variables in the Via Lactea (VVV) ESO Large Public Survey disk area and their young stellar object (YSO) populations. The analysis is based on the combination o...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/2968

Repositorio Universidad Andrés Bello
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Borissova, J. ,  Ramírez Alegría, S. ,  Alonso, J. ,  Lucas, P. W. ,  Kurtev, R. ,  Medina, N. ,  Navarro, C. ,  Kuhn, M. ,  Gromadzki, M. ,  Retamales, G. ,  Fernandez, M. A. ,  Agurto-Gangas, C. ,  Chené, A.-N. ,  Minniti, D. ,  Contreras Pena, C. ,  Catelan, M. ,  Decany, I. ,  Thompson, M. A. ,  Morales, E. F. E. ,  Amigo, P. ,  [YOUNG STELLAR CLUSTERS CONTAINING MASSIVE YOUNG STELLAR OBJECTS IN THE VVV SURVEY] ,  YOUNG STELLAR CLUSTERS CONTAINING MASSIVE YOUNG STELLAR OBJECTS IN THE VVV SURVEY
Article 2017

Autor: Ivanov, V.D. Piatti, A.E. Beamín, J.-C. Minniti, D. Borissova, J. Kurtev, R. Hempel, M. Saito, R.K.

This paper is based on observations made with ESO telescopes at the La Silla Paranal Observatory under program ID 092.B-0104(A). We have made extensive use of the SIMBAD Database at CDS (Centre de Données astronomiques) Strasbourg, the NASA/IPAC Extragalactic Database (NED), which is operated by ...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/4472

Repositorio Universidad Andrés Bello
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Ivanov, V.D. ,  Piatti, A.E. ,  Beamín, J.-C. ,  Minniti, D. ,  Borissova, J. ,  Kurtev, R. ,  Hempel, M. ,  Saito, R.K. ,  [Candidate star clusters toward the inner Milky Way discovered on deep-stacked KS-band images from the VVV Survey] ,  Candidate star clusters toward the inner Milky Way discovered on deep-stacked KS-band images from the VVV Survey
Article 2018-03

Autor: Roman-Lopes, A. Román-Zúñiga, C. Tapia, M. Chojnowski, D. Gómez Maqueo Chew, Y. García-Hernández, D.A. Borissova, J. Minniti, D. Covey, K.R. Longa-Peña, P. Fernandez-Trincado, J.G. Zamora, O. Nitschelm, C.

In this work, we make use of DR14 APOGEE spectroscopic data to study a sample of 92 known OB stars. We developed a near-infrared semi-empirical spectral classification method that was successfully used in case of four new exemplars, previously classified as later B-type stars. Our results agree w...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/7045

Repositorio Universidad Andrés Bello
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Roman-Lopes, A. ,  Román-Zúñiga, C. ,  Tapia, M. ,  Chojnowski, D. ,  Gómez Maqueo Chew, Y. ,  García-Hernández, D.A. ,  Borissova, J. ,  Minniti, D. ,  Covey, K.R. ,  Longa-Peña, P. ,  Fernandez-Trincado, J.G. ,  Zamora, O. ,  Nitschelm, C. ,  [Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars] ,  Massive stars in the SDSS-IV/APOGEE SURVEY. I. OB stars
Article 2017-11

Autor: Minniti, D. Saito, R.K. Forster, F. Pignata, G. Ivanov, V.D. Lucas, P.W. Beamin, J.C. Borissova, J. Catelan, M. Gonzalez, O.A. Hempel, M. Hsiao, E. Kurtev, R. Majaess, D. Masetti, N. Morrell, N.I. Phillips, M.M. Pullen, J.B. Rejkuba, M. Smith, L. Surot, F. Valenti, E. Zoccali, M.

We report the discovery of an enigmatic large-amplitude (ΔKs >10.5 mag) transient event in near-IR data obtained by the VISTA Variables in the Via Lactea (VVV) ESO Public Survey. The object (designated VVV-WIT- 06) is located at R.A.=17:07:18.917, decl.=-39:06:26.45 (J2000), corresponding to Gala...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/5908

Repositorio Universidad Andrés Bello
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Minniti, D. ,  Saito, R.K. ,  Forster, F. ,  Pignata, G. ,  Ivanov, V.D. ,  Lucas, P.W. ,  Beamin, J.C. ,  Borissova, J. ,  Catelan, M. ,  Gonzalez, O.A. ,  Hempel, M. ,  Hsiao, E. ,  Kurtev, R. ,  Majaess, D. ,  Masetti, N. ,  Morrell, N.I. ,  Phillips, M.M. ,  Pullen, J.B. ,  Rejkuba, M. ,  Smith, L. ,  Surot, F. ,  Valenti, E. ,  Zoccali, M. ,  [The Emergence of the Infrared Transient VVV-WIT-06] ,  The Emergence of the Infrared Transient VVV-WIT-06
Article 2016-11

Autor: Contreras Peña, C. Lucas, P.W. Minniti, D. Kurtev, R. Stimson, W. Navarro Molina, C. Borissova, J. Kumar, M.S.N. Thompson, M.A. Gledhill, T. Terzi, R. Froebrich, D. Caratti o Garatti, A.

We present the discovery of 816 high-amplitude infrared variable stars (ΔKs > 1 mag) in 119 deg2 of the Galactic mid-plane covered by the VISTA Variables in the Via Lactea (VVV) survey. Almost all are new discoveries and about 50 per cent are young stellar objects (YSOs). This provides further ev...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/4246

Repositorio Universidad Andrés Bello
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Contreras Peña, C. ,  Lucas, P.W. ,  Minniti, D. ,  Kurtev, R. ,  Stimson, W. ,  Navarro Molina, C. ,  Borissova, J. ,  Kumar, M.S.N. ,  Thompson, M.A. ,  Gledhill, T. ,  Terzi, R. ,  Froebrich, D. ,  Caratti o Garatti, A. ,  [A population of eruptive variable protostars in VVV] ,  A population of eruptive variable protostars in VVV
Article 2017-03

Autor: Contreras Peña, C. Lucas, P.W. Kurtev, R. Minniti, D. Caratti o Garatti, A. Marocco, F. Thompson, M.A. Froebrich, D. Kumar, M. Stimson, W. Navarro Molina, C. Borissova, J. Gledhill, T. Terzi, R.

In a companion work (Paper I), we detected a large population of highly variable Young Stellar Objects (YSOs) in the Vista Variables in the Via Lactea (VVV) survey, typically with class I or flat spectrum spectral energy distributions and diverse light-curve types. Here we present infrared spectr...

Enlace original: http://repositorio.unab.cl/xmlui/handle/ria/4242

Repositorio Universidad Andrés Bello
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Contreras Peña, C. ,  Lucas, P.W. ,  Kurtev, R. ,  Minniti, D. ,  Caratti o Garatti, A. ,  Marocco, F. ,  Thompson, M.A. ,  Froebrich, D. ,  Kumar, M. ,  Stimson, W. ,  Navarro Molina, C. ,  Borissova, J. ,  Gledhill, T. ,  Terzi, R. ,  [Infrared spectroscopy of eruptive variable protostars from VVV] ,  Infrared spectroscopy of eruptive variable protostars from VVV

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