Browsing by Author "Rojo Rubke, Patricio"

Now showing items 1-20 of 25

    • A search of massive companions around young stars with VLT/NaCo 
      Jorquera Contreras, Sebastián Andrés (Universidad de Chile, 2021)
      En los últimos años, observaciones obtenidas con el Telescopio ALMA han revelado una alta abundancia y ubicuidad de subestructuras en discos de formación planetaria, siendo los más comunes una combinación de anillos ...
    • Análisis espectral de la Región Parga, Venus: ¿evidencia de volcanismo? 
      Flores Palma, Laura Alejandra (Universidad de Chile, 2017)
      Venus juega un papel fundamental para entender la evolución de los planetas terrestres. Temáticas como la dinámica atmosférica, evolución geológica y actividad volcánica han sido materia de debate los últimos años gracias ...
    • CE 315: a new interacting double-degenerate binary star 
      Ruiz González, María Teresa; Rojo Rubke, Patricio; Garay Brignardello, Guido; Maza Sancho, José (UNIV CHICAGO PRESS, 2001-05-10)
      We present spectroscopic observations of object CE 315 revealing a blue continuum with strong emission lines. Most of the detected lines are identified with He I or He II in emission, with a handful of faint lines of ...
    • Characterizing substructures and interactions in the disks around multiple stellar systems 
      Troncoso Kurtovic, Nicolás Gustavo (Universidad de Chile, 2019)
      Para caracterizar las subestructuras inducidas en discos protoplanetarios por la interacción entre estrellas en sistemas multiples, estudiamos la emisión de continuo en $1.25\,$mm y la linea de emisión molecular $^{12}$CO(J:2-1) ...
    • Detection and characterization of single and double stellar/planetary systems 
      Soto Vásquez, Maritza Gabriela (Universidad de Chile, 2018)
      El crecimiento exponencial del número de exoplanetas descubiertos en los últimos años ha derivado en un mayor entendimiento de los planetas en la galaxia, de los cuales la Tierra es miembro; pero aún nos queda un gran ...
    • Discovery and spectroscopy of the young jovian planet 51 Eri b with the Gemini Planet Imager 
      Macintosh, B.; Graham, J. R.; Barman, T.; Rosa, R. De; Konopacky, Q.; Marley, M.; Marois, C.; Nielsen, E.; Pueyo, L.; Rajan, A.; Rameau, J.; Saumon, D.; Wang, J.; Patience, J.; Ammons, M.; Arriaga, P.; Artigau, E.; Beckwith, S.; Brewster, J.; Bruzzone, S.; Bulger, J.; Burningham, B.; Burrows, A.; Chen, C.; Chiang, E.; Chilcote, J. K.; Dawson, R.; Dong, R.; Doyon, R.; Draper, Z.; Duchêne, G.; Esposito, T.; Fabrycky, Daniel; Fitzgerald, M.; Follette, K.; Fortney, J.; Gerard, B.; Goodsell, S.; Greenbaum, A.; Hibon, P.; Hinkley, S.; Cotten, T.; Hung, L.; Ingraham, P.; Johnson-Groh, M.; Kalas, P.; Lafreniere, D.; Larkin, J.; Lee, J.; Line, M.; Long, D.; Maire, J.; Marchis, F.; Matthews, B.; Max, C.; Metchev, S.; Millar-Blanchaer, M.; Mittal, T.; Morley, C.; Morzinski, K.; Murray, R.; Oppenheimer, R.; Palmer, D.; Patel, R.; Perrin, M.; Poyneer, L.; Rafikov, R.; Rantakyrö, F.; Rice, E.; Rojo Rubke, Patricio; Rudy, A.; Ruffio, J.; Ruiz González, María Teresa; Sadakuni, N.; Saddlemyer, L.; Salama, M.; Savransky, D.; Schneider, A.; Sivaramakrishnan, A.; Song, I.; Soummer, R.; Thomas, S.; Vasisht, G.; Wallace, J.; Ward, K.; Wiktorowicz, S.; Wolff, S.; Zuckerman, B. (American Association for the Advancement of Science, 2015-10-02)
      Directly detecting thermal emission from young extrasolar planets allows measurement of their atmospheric compositions and luminosities, which are influenced by their formation mechanisms. Using the Gemini Planet Imager, ...
    • Espectroscopia de transmisión con telescopios terrestres: El caso de HD209458B 
      Astudillo Defru, Nicola (Universidad de Chile, 2011)
      Este trabajo de investigaci on se enmarca en el t opico de planetas extrasolares y la caracterizaci on de sus atm osferas. A la fecha, m as de 600 exoplanetas han sido descubiertos mediante distintas t ecnicas, siendo la ...
    • Exoplanet detection and characterization using bayesian formalisms 
      Vines López, José Ignacio (Universidad de Chile, 2023)
      Esta tesis se basa en cuatro artículos científicos de primer autor. Primero, describo el descubrimiento de un exoplaneta tipo Júpiter caliente con un período orbital ultra-corto alrededor de la estrella tipo K NGTS-6, ...
    • FADRA : A CPU-GPU framework for astronomical data reduction and Analysis 
      Concha Ramírez, Francisca Andrea (Universidad de Chile, 2016)
      Esta tesis establece las bases de FADRA: Framework for Astronomical Data Reduction and Analysis. El framework FADRA fue diseñado para ser eficiente, simple de usar, modular, expandible, y open source. Hoy en día, la ...
    • Giant planets around two intermediate-mass evolved stars and confirmation of the planetary nature of HIP 67851c 
      Jones, M. I.; Jenkins, James Stewart; Rojo Rubke, Patricio; Melo, C. H. F. (EDP Sciences, 2015)
      Context. Precision radial velocities are required to discover and characterize exoplanets. Optical spectra that exhibit many hundreds of absorption lines can allow the m s(-1) precision levels required for this work. After ...
    • The HARPS search for southern extra-solar planets XXXVI. Planetary systems and stellar activity of the M ... 
      Astudillo Defru, N.; Bonfils, X.; Delfosse, X.; Ségransan, D.; Forveille, T.; Bouchy, F.; Gillon, M.; Lovis, C.; Mayor, M.; Neves, V.; Pepe, F.; Perrier, C.; Queloz, D.; Rojo Rubke, Patricio; Santos, N. C.; Udry, S. (2015)
      Context. Planetary companions of a fixed mass induce reflex motions with a larger amplitude around lower-mass stars, which adds to making M dwarfs excellent targets for extra-solar planet searches. The most recent ...
    • A HARPS view on K2-3 
      Almenara, J. M.; Astudillo Defru, N.; Bonfils, X.; Forveille, T.; Santerne, A.; Albrecht, S.; Barros, S. C. C.; Bouchy, F.; Delfosse, X.; Demangeon, O.; Diaz, R. F.; Hébrard, G.; Mayor, M.; Neves, V.; Rojo Rubke, Patricio; Santos, N. C.; Wünsche, A. (EDP Sciences, 2015)
      K2 space observations recently found that three super-Earths transit the nearby M dwarf K2-3. The apparent brightness and the small physical radius of their host star rank these planets amongst the most favourable for ...
    • A library of near-infrared integral field spectra of young M–L dwarfs 
      Bonnefoy, M.; Chauvin, G.; Lagrange, Anne Marie; Rojo Rubke, Patricio; Allard, F.; Pinte, Christophe; Dumas, C.; Homeier, D. (EDP Sciences, 2014)
      Context. At young ages, low surface gravity a ects the atmospheric properties of ultracool dwarfs. The impact on medium-resolution near-infrared (NIR) spectra has only been slightly investigated at the M–L transition so ...
    • New constraints on the formation and settling of dust in the atmospheres of young M and L dwarfs 
      Manjacavas, E.; Bonnefoy, M.; Schlieder, J. E.; Allard, F.; Rojo Rubke, Patricio; Goldman, B.; Chauvin, G.; Homeier, D.; Lodieu, N.; Henning, Thomas (2014-04)
      Context. Gravity modifies the spectral features of young brown dwarfs (BDs). A proper characterization of these objects is crucial for the identification of the least massive and latest-type objects in star-forming regions, ...
    • A planetary system and a highly eccentric brown dwarf around the giant stars HIP 67851 and HIP 97233 
      Jones, M. I.; Jenkins, James Stewart; Rojo Rubke, Patricio; Melo, C.; Bluhm, P. (EDP Sciences, 2015)
      Context. So far more than 60 substellar companions have been discovered around giant stars. These systems present physical and orbital properties that contrast with those detected orbiting less evolved stars. Aims. We are ...
    • Precision radial velocities of 15 M5–M9 dwarfs 
      Barnes, J. R.; Jenkins, James Stewart; Jones, H.R.A.; Jeffers, S. V.; Rojo Rubke, Patricio; Arriagada, P.; Jordán, A.; Minniti, D.; Tuomi, M.; Pinfield, D. J.; Anglada Escudé, Guillem (Royal Astronomical Society, 2014-02-20)
      We present radial velocity measurements of a sample of M5V–M9V stars from our Red-Optical Planet Survey, operating at 0.652–1.025 µm. Radial velocities for 15 stars, with rms precision down to 2.5 m s−1 over a week-long ...
    • The properties of planets around giant stars 
      Jones, M. I.; Jenkins, James Stewart; Bluhm, P.; Rojo Rubke, Patricio; Melo, H. F. (2014-12-23)
      Context. More than 50 exoplanets have been found around giant stars, revealing different properties when compared to planets orbiting solar-type stars. In particular, they are super-Jupiters and are not found orbiting ...
    • Resolved carbon monoxide observations of protoplanetary discs in ophiuchus 
      Antilén Romero, Juanita Andrea (Universidad de Chile, 2022)
      The $^{12}$CO rotational lines in protoplanetary discs are good tracers of the total spatial extension of the gas component and potentially planet-disc interactions. This work analyses ALMA long-baseline observations of ...
    • Safari: bridging the Gap between radial velocity and direct imaging 
      Pantoja, Blake M (Universidad de Chile, 2019)
      El método de velocidades radiales ha sido muy productivo en la búsqueda de exoplanetas, comenzando con el descubrimiento de 51 Peg b en 1995 hasta los aproximadamente 800 planetas detectados por este método al día de hoy. ...
    • Stellar activity as a tracer of moving groups 
      Murgas, F.; Jenkins, James Stewart; Rojo Rubke, Patricio; Jones, H. R.; Pinfield, D. J. (EDP Sciences, 2013)
      We present the results of a study of the stellar activity in the solar neighborhood using complete kinematics (galactocentric velocities U, V, W) and the chromospheric activity index log R0 HK. We analyzed the average ...