Browsing by Title Facultad de Ciencias Físicas y Matemáticas

Now showing items 9227-9246 of 20437

    • Exploratory X-Ray monitoring of luminous radio-quiet quasars at high redshift: extended time-series analyses ... 
      Thomas, Marcus O.; Shemmer, Ohad; Brandt, W. N.; Paolillo, Maurizio; Kaspi, Shai; Vignali, Cristian; Lira Teillery, Paulina Maria; Schneider, Donald P. (IOP, 2021)
      The Astrophysical Journal The American Astronomical Society, find out more The Institute of Physics, find out more Exploratory X-Ray Monitoring of Luminous Radio-quiet Quasars at High Redshift: Extended ...
    • Exploratory X-ray monitoring of luminous radio-quiet quasars at high redshift: initial results 
      Shemmer, Ohad; Brandt, W. N.; Paolillo, Maurizio; Kaspi, Shai; Vignali, Cristian; Stein, Matthew S.; Lira Teillery, Paulina; Schneider, Donald P.; Gibson, Robert R. (The American Astronomical Society, 2014)
      We present initial results from an exploratory X-ray monitoring project of two groups of comparably luminous radio-quiet quasars (RQQs). The first consists of four sources at 4.10 z 4.35, monitored by Chandra, and ...
    • Exploratory x-ray monitoring of luminous radio-quiet quasars at high redshift: initial results 
      Shemmer, Ohad; Brandt, W. N.; Paolillo, Maurizio; Kaspi, Shai; Vignali, Cristian; Stein, Matthew S.; Lira Teillery, Paulina; Schneider, Donald P.; Gibson, Robert R. (The Astrophysical Journal, 2014-03-10)
      We present initial results from an exploratory X-ray monitoring project of two groups of comparably luminous radio-quiet quasars (RQQs). The first consists of four sources at 4.10 z 4.35, monitored by Chandra, and ...
    • Exploring Chilean seventh grade students’ conceptions of Earth dynamics before and after model- and ... 
      Vergara-Díaz C., Bustamante K., Pinto L., Cofré H. (Bellwether Publishing, Ltd.customerservice@taylorandfrancis.com, 2020)
    • Exploring collaboration in the realm of virtual museums 
      Baloian Tataryan, Nelson; Luther, Wolfram; Biella, Daniel; Karapetyan, Nare; Pino Urtubia, José; Schreck, Tobías; Ferrada, Andrés; Hitschfeld, Nancy (Springer, 2017)
      Virtual museums have been very popular since the early days of the World Wide Web and many scientific works have been published on this topic. Although the rich variety of possibilities for supporting collaboration among ...
    • Exploring dust around HD 142527 down to 0.025 (4au) using SPHERE/ZIMPOL 
      Avenhaus, H.; Quanz, S. P.; Schmid, H. M.; Dominik, C.; Stolker, T.; Ginski, C.; de Boer, J.; Szulagyi, J.; Garufi, A.; Zurlo, A.; Hagelberg, J.; Benisty, Myriam; Henning, Thomas; Menard, F.; Meyer, M. R. (IOP Publishing Ltd., 2017)
      We have observed the protoplanetary disk of the well-known young Herbig star HD 142527 using ZIMPOL polarimetric differential imaging with the very broad band (similar to 600-900 nm) filter. We obtained two data sets in ...
    • Exploring new hydrated delta type vanadium oxides for lithium intercalation 
      Orive Gómez De Segura, Joseba; Fernández de Luis, Roberto; Larrea, Edurne S.; Martínez Amesti, Ana; Altomare, Angela; Rizzi, Rosanna; Lezama, Luis; Arriortua, María I.; Gómez Cámer, Juan Luis; Jauregui, María; Casas Cabanas, Montse; Lisoni, Judit (Royal Society of Chemistry, 2020)
      Three hydrated double layered vanadium oxides, namely Na(0.35)V(2)O(5)0.8(H2O), K-0.36(H3O)(0.15)V2O5 and (NH4)(0.37)V(2)O(5)0.15(H2O), were obtained by using mild hydrothermal conditions. Their delta type structural ...
    • Exploring sulfate and metals removal from Andean acid mine drainage using CaCO3-rich residues from agri-food ... 
      Larraguibel, Alfonso; Navarrete Calvo, Álvaro; García, Sebastián; Armijos, Víctor F.; Caraballo Monge, Manuel (Elsevier, 2020)
      Dispersed alkaline substrate (DAS) is a matured passive remediation technology that has shown very high performances treating acid mine drainages (AMD). However, this remediation approach needs to improve its environmental ...
    • Exploring the concept of hosting capacity from an electricity market perspective 
      Valenzuela E., Moreno R., Papadaskalopoulos D., Muñoz F.D., Ye Y. (Springer International Publishing, 2020)
    • Exploring the outer solar system with the ESSENCE Supernova Survey 
      Becker, A. C.; Arraki, K.; Kaib, N. A.; Wood-Vasey, W. M.; Aguilera, C.; Blackman, J. W.; Blondin, S.; Challis, P.; Clocchiatti, A.; Covarrubias, R.; Damke, G.; Davis, Tamara M.; Filippenko, Alexei V.; Foley, Ryan J.; Garg, A.; Garnavich, Peter M.; Hicken, M.; Jha, S.; Kirshner, Robert P.; Krisciunas, Kevin; Leibundgut, B.; Li, Weidong; Matheson, Thomas; Miceli, A.; Miknaitis, G.; Narayan, G.; Pignata Libralato, Giuliano; Prieto, J. L.; Rest, A.; Riess, A. G.; Salvo, M. E.; Schmidt, Brian P.; Smith, R. C.; Sollerman, J.; Spyromilio, J.; Stubbs, C. W.; Suntzeff, Nicholas B.; Tonry, J. L.; Zenteno, A. (UNIV CHICAGO PRESS, 2008-07-20)
      We report the discovery and orbital determination of 14 trans-Neptunian objects (TNOs) from the ESSENCE Supernova Survey difference imaging data set. Two additional objects discovered in a similar search of the SDSS-II ...
    • Exploring the prominence of Romeo and Juliet's characters using weighted centrality measures 
      Masías, Víctor Hugo; Baldwin, Paula; Laengle Scarlazetta, Sigifredo; Vargas, Augusto; Crespo, Fernando A. (Oxford University, 2017)
      Why are Romeo and Juliet prominent characters in Shakespeare’s play of the samename? Contrary to what common sense might suggest, the academic literature does notprovide a unique answer to this question. Indeed, ...
    • Exploring the R CrA environment with SPHERE: Discovery of a new stellar companion 
      Mesa, D.; Bonnefoy, M.; Gratton, R.; Van Der Plas, G.; D'Orazi, V.; Sissa, E.; Zurlo, A.; Rigliaco, E.; Schmidt, T.; Langlois, M.; Vigan, A.; Ubeira Gabellini, M. G.; Desidera, S.; Antoniucci, S.; Barbieri, M.; Benisty, Myriam; Boccaletti, A.; Claudi, R.; Fedele, D.; Gasparri, (EDP Sciences, 2019)
      Aims. R Coronae Australis (R CrA) is the brightest star of the Coronet nebula of the Corona Australis (CrA) star forming region. This star is very red in color, probably due to dust absorption, and is strongly variable. ...
    • Exploring the shallow geothermal resources in the Chilean Southern Volcanic Zone: Insight from the Liquine ... 
      Daniele, Linda; Taucare Toro, Matías; Viguier, Benoît; Arancibia Hernández, Gloria; Aravena Noemi, Diego; Roquer, Tomás; Sepúlveda Araya, Josefa; Molina, Eduardo; Delgado, Antonio; Muñoz Díaz, Mauricio; Morata Céspedes, Diego (Elsevier, 2020)
      Southern Volcanic Zone (SVZ) hosts numerous thermal springs (25-85 degrees C), related to Liquine-Ofqui Fault System (LOFS) and Andean Transverse Faults (ATFs), suggesting the feasibility of low- to high-enthalpy geothermal ...
    • Exploring the structural controls on helium, nitrogen and carbon isotope signatures in hydrothermal fluids ... 
      Tardani, Daniele; Reich Morales, Martín; Roulleau, Emilie; Takahata, Naoto; Sano, Yuji; Pérez Flores, Pamela; Sánchez Alfaro, Pablo; Cembrano, José; Arancibia, Gloria (Elsevier, 2016)
      There is a general agreement that fault-fracture meshes exert a primary control on fluid flow in both volcanic/magmatic and geothermal/hydrothermal systems. For example, in geothermal systems and epithermal gold deposits, ...
    • Exploring the Very Extended Low-surface-brightness Stellar Populations of the Large Magellanic Cloud with SMASH 
      Nidever, David L.; Olsen, Knut; Choi, Yumi; Boer, Thomas J. L. De; Blum, Robert D.; Bell, Eric F.; Zaritsky, Dennis; Martín, Nicolás F.; Saha, Abhijit; Conn, Blair C.; Besla, Gurtina; Marel, Roeland P. Van Der; Noël, Noelia E. D.; Monachesi, Antonela; Stringfellow, Guy S.; Massana, Pol; Cioni, María Rosa L.; Gallart, Carme; Monelli, Matteo; Martínez Delgado, David; Muñoz Vidal, Ricardo Rodrigo; Majewski, Steven R.; Vivas, A. Katherina; Walker, Alistair R.; Kaleida, Catherine; Chu, You-Hua (Institute of Physics Publishing, 2019)
      We present the detection of very extended stellar populations around the Large Magellanic Cloud (LMC) out to R ∼ 21°, or ∼18.5 kpc at the LMC distance of 50 kpc, as detected in the Survey of the Magellanic Stellar History ...
    • Exploring topsoil geochemistry from the CoDA (Compositional Data Analysis) perspective: The multi-element ... 
      Buccianti, A.; Lima, A.; Albanese, S.; Cannatelli, Claudia; Esposito, R.; De Vivo, B. (Elsevier, 2015)
      Soil geochemistry is often investigated by considering a large number of variables, including major, minor and trace elements. Some of the variables are usually highly correlated due to coherent geochemical behaviour, but ...
    • Exploring various flux vector splittings for the magneto hydrodynamic system 
      Balsara, Dinshaw S.; Montecino, Gino; Toro, Eleuterio (Elsevier, 2016)
      In this paper we explore flux vector splittings for the MHD system of equations. Our approach follows the strategy that was initially put forward in Toro and Vazquez-Cendon (2012) [55]. We split the flux vector into an ...
    • Exploring “moral performance” in Chilean prisons and its potential in reinsertion Explorando el “desempeño ... 
      Sanhueza, Guillermo; Pérez, Francisca (Universidad Nacional Autonoma de Mexico, 2019)
      Establishing a mechanism of observation of the prison environment is crucial to know what life is like inside, and also to promote processes of social reintegration. This study used a version adapted to Chile from the ...
    • Explosion of red supergiant stars: influence of the atmospheric structure on shock breakout and early time ... 
      Dessart, Luc; Hillier, D. John; Audit, Edouard (EDP Sciences, 2017)
      Early-time observations of Type II supernovae (SNe) 2013cu and 2013fs have revealed an interaction of ejecta with material near the star surface. Unlike Type IIn SN 2010jl, which interacts with a dense wind for similar to ...
    • Explotación de geometrías interiores que permiten flujo helicoidal dentro de tubos receptores de concentración ... 
      Rubio Flores, Diego Alejandro (Universidad de Chile, 2023)
      Las tecnologías de concentración solar de potencia (CSP) son plantas de generación eléctrica que emplean un arreglo de espejos y lentes, con el fin de concentrar la radiación solar en una pequeña superficie. Para producir ...