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Recent Submissions

  • Campos, C.H.; Urbano, B.F.; Torres, C.C.; Alderete, J.A. (HINDAWI PUBLISHING CORP, 2017)
    This contribution reports a novel preparation of gold nanoparticles on polymer/metal oxide hybrid materials (Au/P[VBTACl]-M metal: Al, Ti or Zr) and their use as heterogeneous catalysts in liquid phase hydrogenation of ...
  • 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. (IOP PUBLISHING, 2017-03)
    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 ...
  • Apablaza, G.; Montoya, L.; Morales-Verdejo, C.; Mellado, M.; Cuellar, M.; Lagos, C.F.; Soto-Delgado, J.; Chung, H.; Pessoa-Mahana, C.D.; Mella, J. (MDPI, 2017-03)
    The beta(3) adrenergic receptor is raising as an important drug target for the treatment of pathologies such as diabetes, obesity, depression, and cardiac diseases among others. Several attempts to obtain selective and ...
  • Giraldo, C.; Ferraro, F.; Hadad, C.Z.; Riuz, L.; Tiznado, W.; Osorio, E. (ROYAL SOC CHEMISTRY, 2017)
    New stable hydrogen-rich metallic hydrides are designed by systematic transformations of the stable known Al4H7 − species, carried out by successive isoelectronic substitutions of one aluminum atom by one E-H unit at a ...
  • 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. (OXFORD UNIV PRESS, 2016-11)
    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 ...
  • Buemi, C.S.; Trigilio, C.; Leto, P.; Umana, G.; Ingallinera, A.; Cavallaro, F.; Cerrigone, L.; Agliozzo, C.; Bufano, F.; Riggi, S.; Molinari, S.; Schillirò, F. (OXFORD UNIV PRESS, 2016-12)
    We present a multiwavelength study of the Galactic luminous blue variable HR Carinae, based on new high-resolution mid-infrared (IR) and radio images obtained with the Very Large Telescope (VLT) and the Australia Telescope ...
  • Cohen, R.E.; Bidin, C.M.; Mauro, F.; Bonatto, C.; Geisler, D. (OXFORD UNIV PRESS, 2016-09)
    We present wide-field JHKS photometry of 16 Galactic globular clusters located towards the Galactic bulge, calibrated on the Two Micron All-Sky Survey photometric system. Differential reddening corrections and statistical ...
  • 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. (OXFORD UNIV PRESS, 2016-09)
    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 ...
  • 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. (OXFORD UNIV PRESS, 2017-03)
    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 ...
  • François, P.; Monaco, L.; Bonifacio, P.; Moni Bidin, C.; Geisler, D. (EDP SCIENCES, 2016-04)
    Context. Low-mass dwarf spheroidal galaxies are key objects for our understanding of the chemical evolution of the pristine Universe and the Local Group of galaxies. Abundance ratios in stars of these objects can be used ...
  • Polshaw, J.; Kotak, R.; Dessart, L.; Fraser, M.; Gal-Yam, A.; Inserra, C.; Sim, S. A.; Smartt, S. J.; Sollerman, J.; Baltay, C.; Rabinowitz, D.; Benetti, S.; Botticella, M. T.; Campbell, H.; Chen, T.-W.; Galbany, L.; McKinnon, R.; Nicholl, M.; Smith, K. W.; Sullivan, M.; Takáts, K.; Valenti, S.; Young, D. R. (EDP SCIENCES, 2016-04)
    We present optical imaging and spectroscopy of supernova (SN) LSQ13fn, a type II supernova with several hitherto-unseen properties. Although it initially showed strong symmetric spectral emission features attributable to ...
  • Boulanger, N.; Sundell, P.; Valenzuela, M. (Springer, 2014-02)
    Using Wigner-deformed Heisenberg oscillators, we construct 3D Chern-Simons models consisting of fractional-spin fields coupled to higher-spin gravity and internal nonabelian gauge fields. The gauge algebras consist of ...
  • Sandoval, C.; Arriagada, F.S.; De La Fuente, J.R.; Sanchez, S.A.; Morales, J.; Pizarro, N.; Nonell, S.; Gunther, G. (Sociedade Brasileira de Química, 2016-02)
    Glycolipids are biomolecules composed of a lipid chain (lipophilic) and a monosaccharide or oligosaccharide as hydrophilic group. Their chemical structure and biological role make them undoubtedly good candidates for a ...
  • Rodigas, T.J.; Bergeron, P.; Simon, A.; Arriagada, P.; Faherty, J.K.; Anglada-Escudé, G.; Mamajek, E.E.; Weinberger, A.; Butler, R.P.; Males, J.R.; Morzinski, K.; Close, L.M.; Hinz, P.M.; Bailey, J.; Carter, B.; Jenkins, J.S.; Jones, H.; O'Toole, S.; Tinney, C.G.; Wittenmyer, R.; Debes, J. (IOP PUBLISHING, 2016-11)
    HD 11112 is an old, Sun-like star that has a long-term radial velocity (RV) trend indicative of a massive companion on a wide orbit. Here we present direct images of the source responsible for the trend using the Magellan ...
  • Rodigas, T.J.; Arriagada, P.; Faherty, J.; Anglada-Escudé, G.; Kaib, N.; Butler, R.P.; Shectman, S.; Weinberger, A.; Males, J.R.; Morzinski, K.M.; Close, L.M.; Hinz, P.M.; Crane, J.D.; Thompson, I.; Teske, J.; Diaz, M.; Minniti, D.; Lopez-Morales, M.; Adams, F.C.; Boss, A.P. (IOP PUBLISHING, 2016-02)
    We present high-contrast Magellan adaptive optics images of HD 7449, a Sun-like star with one planet and a long-term radial velocity (RV) trend. We unambiguously detect the source of the long-term trend from 0.6-2.15 mu ...
  • Martín-Ruiz, A.; Cambiaso, M.; Urrutia, L. F. (American Physical Society, 2016-02)
    The Green's function method is used to analyze the boundary effects produced by a Chern-Simons extension to electrodynamics. We consider the electromagnetic field coupled to a theta term that is piecewise constant in ...
  • Baglio, M.C.; D’Avanzo, P.; Campana, S.; Goldoni, P.; Masetti, N.; Muñoz-Darias, T.; Patiño-Álvarez, V.; Chavushyan, V. (EDP SCIENCES, 2016-03)
    Aims. We present a detailed near-infrared/optical/UV study of the transient low-mass X-ray binary 1RXS J180408.9-342058 performed during its 2015 outburst, which is aimed at determining the nature of its companion star. ...
  • Lanza, A. F.; Molaro, P.; Monaco, L.; Haywood, R. D. (EDP SCIENCES, 2016-03)
    Context. Stellar radial velocities play a fundamental role in the discovery of extrasolar planets and the measurement of their physical parameters as well as in the study of stellar physical properties. Aims. We ...
  • Arias, C.; Boulanger, N.; Sundell, P.; Torres-Gomez, A. (Springer, 2015-08)
    We construct a two-dimensional topological sigma model whose target space is endowed with a Poisson algebra for differential forms. The model consists of an equal number of bosonic and fermionic fields of worldsheet form ...
  • Valenti, E.; Zoccali, M.; Gonzalez, O. A.; Minniti, D.; Alonso-García, J.; Marchetti, E.; Hempel, M.; Renzini, A.; Rejkuba, M. (EDP SCIENCES, 2016-03)
    We present the first stellar density profile of the Milky Way bulge that reaches latitude b = 0 degrees. The profile was derived by counting red clump stars within the colour-magnitude diagram that was constructed using ...

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