Browsing by Author "Pinte, Christophe"

Now showing items 1-20 of 27

    • A dusty filament and turbulent CO spirals in HD 135344B-SAO 206462 
      Casassus, Simon; Christiaens, Valentin; Carcamo, Miguel; Pérez, Sebastián; Weber, Philipp; Ercolano, Barbara; van der Marel, Nienke; Pinte, Christophe; Dong, Ruobing; Baruteau, Clement; Cieza, Lucas; van Dishoeck, Ewine F.; Jordán, Andrés; Price, Daniel J.; Absil, Olivier; Arce Tord, Carla Alessandra; Faramaz, Virginie; Flores, Christian; Reggiani, Maddalena (Oxford, 2021)
      Planet-disc interactions build up local pressure maxima that may halt the radial drift of protoplanetary dust, and pile it up in rings and crescents. ALMA observations of the HD 135344B disc revealed two rings in the thermal ...
    • The accumulation and trapping of grains at planet gaps: Effects of grain growth and fragmentation 
      González, J. F.; Laibe, G.; Maddison, S. T.; Pinte, Christophe; Ménard, Francois (Elsevier, 2015)
      We model the dust evolution in protoplanetary disks with full 3D, Smoothed Particle Hydrodynamics (SPH), two-phase (gas+ dust) hydrodynamical simulations. The gas+ dust dynamics, where aerodynamic drag leads to the vertical ...
    • ALMA images of discs: are all gaps carved by planets? 
      González, J. -F.; Laibe, G.; Maddison, S. T.; Pinte, Christophe; Ménard, Francois (Oxford Univ Press, 2015)
      Protoplanetary discs are now routinely observed and exoplanets, after the numerous indirect discoveries, are starting to be directly imaged. To better understand the planet formation process, the next step is the detection ...
    • Asymmetric features in the protoplanetary disk MWC 758 
      Benisty, Myriam; Juhasz, A.; Boccaletti, A.; Avenhaus, H.; Milli, J.; Thalmann, C.; Dominik, C.; Pinilla, P.; Buenzli, E.; Pohl, A.; Beuzit, J.L.; Birnstiel, T.; Boer, J. de; Bonnefoy, M.; Chauvin, G.; Christiaens, V.; Garufi, A.; Grady, C.; Henning, Thomas; Huelamo, N.; Isella, A.; Langlois, M.; Ménard, Francois; Mouillet, D.; Olofsson, J.; Pantin, E.; Pinte, Christophe; Pueyo, L. (ESO, 2015)
      Context. The study of dynamical processes in protoplanetary disks is essential to understand planet formation. In this context, transition disks are prime targets because they are at an advanced stage of disk clearing and ...
    • Benchmarking the calculation of stochastic heating and emissivity of dust grains in the context of radiative ... 
      Camps, Peter; Misselt, Karl; Bianchi, Simone; Lunttila, Tuomas; Pinte, Christophe; Natale, Giovanni; Juvela, Mika; Fischera, Joerg; Fitzgerald, Michael P.; Gordon, Karl; Baes, Maarten; Steinacker, Jürgen (EDP Sciences, 2015)
      Context. Thermal emission by stochastically heated dust grains (SHGs) plays an important role in the radiative transfer (RT) problem for a dusty medium. It is therefore essential to verify that RT codes properly calculate ...
    • Chemical composition of the circumstellar disk around AB Aurigae 
      Pacheco Vázquez, S.; Fuente, A.; Agúndez, M.; Pinte, Christophe; Alonso Albi, T.; Neri, R.; Cernicharo, J.; Goicoechea, J. R.; Berné, O.; Wiesenfeld, L.; Bachiller, R.; Lefloch, B. (ESO, 2015)
      Aims. Our goal is to determine the molecular composition of the circumstellar disk around AB Aurigae (hereafter, AB Aur). AB Aur is a prototypical Herbig Ae star and the understanding of its disk chemistry is paramount for ...
    • Circumbinary, not transitional: on the spiral arms, cavity, shadows, fast radial flows, streamers, and ... 
      Price, Daniel J.; Cuello, Nicolás; Pinte, Christophe; Mentiplay, Daniel; Casassus Montero, Simón; Christiaens, Valentin; Kennedy, Grant M.; Cuadra, Jorge; Pérez M., Sebastián; Marino, Sebastian; Armitage, Philip J.; Zurlo, Alice; Juhasz, Attila; Ragusa, Enrico; Laibe, Guillaume; Lodato, Giuseppe (Oxford University Press, 2018)
      We present 3D hydrodynamical models of the HD 142527 protoplanetary disc, a bright and well-studied disc that shows spirals and shadows in scattered light around a 100 au gas cavity, a large horseshoe dust structure in mm ...
    • Co gas inside the protoplanetary disk cavity in HD142527: disk structure from ALMA 
      Pérez, S.; Casassus Montero, Simón; Ménard, Francois; Román, P.; Van der Plas, Gerrit; Cieza, L.; Pinte, Christophe; Christiaens, V.; Hales, A. (IOP Pub, 2015)
      Inner cavities and annular gaps in circumstellar disks are possible signposts of giant planet formation. The young star HD142527 hosts a massive protoplanetary disk with a large cavity that extends up to 140 AU from the ...
    • Consistent dust and gas models for protoplanetary disks I. Disk shape, dust settling, opacities, and PAHs 
      Woitke, P.; Min, M.; Pinte, Christophe; Thi, W. F.; Kamp, I.; Rab, C.; Anthonioz, F.; Antonellini, S.; Baldovin Saavedra, C.; Carmona, A.; Dominik, C.; Dionatos, O.; Greaves, J.; Guedel, M.; Ilee, J. D.; Liebhart, A.; Menard, F.; Rigon, L.; Waters, L. B. F. M.; Aresu, G.; Meijerink, R.; Spaans, M. (EDP SCIENCES, 2016)
      We propose a set of standard assumptions for the modelling of Class II and III protoplanetary disks, which includes detailed continuum radiative transfer, thermo-chemical modelling of gas and ice, and line radiative transfer ...
    • Disk evolution study through imaging of nearby young stars (DESTINYS): a panchromatic view of dO Tau’s ... 
      Huang, Jane; Ginski, Christian; Benisty, Myriam; Ren, Bin; Bohn, Alexander J.; Choquet, Élodie; Öberg, Karin I.; Ribas, Álvaro; Bae, Jaehan; Bergin, Edwin A.; Birnstiel, Til; Boehler, Yann; Facchini, Stefano; Harsono, Daniel; Hogerheijde, Michiel; Long, Feng; Manara, Carlo F.; Ménard, Francois; Pinilla, Paola; Pinte, Christophe; Rab, Christian; Williams, Jonathan P.; Zurlo, Alice (IOP, 2022)
      While protoplanetary disks are often treated as isolated systems in planet formation models, observations increasingly suggest that vigorous interactions between Class II disks and their environments are not rare. DO Tau ...
    • Disks around T tauri stars with SPHERE (DARTTS-S). I. SPHERE/IRDIS polarimetric imaging of eight prominent ... 
      Avenhaus, Henning; Quanz, Sascha P.; Garufi, Antonio; Pérez, Sebastián; Casassus Montero, Simón; Pinte, Christophe; Bertrang, Gesa H. -M; Cáceres, Claudio; Benisty, Myriam; Dominik, Carsten (IOP Publishing, 2018)
      We present the first part of our Disks ARound T Tauri Stars with SPHERE (DARTTS-S) survey: observations of eight T Tauri stars that were selected based on their strong (sub)millimeter excesses using SPHERE/IRDIS polarimetric ...
    • Dust and gas in the disk of HL TAURI: surface density, dust settling, and dust-to-gas ratio 
      Pinte, Christophe; Dent, William R. F.; Ménard, Francois; Hales, A.; Hill, T.; Cortes, P.; De Gregorio Monsalvo, Itziar (IOP Publishing, 2016)
      The recent ALMA observations of the disk surrounding HL Tau reveal a very complex dust spatial distribution. We present a radiative transfer model accounting for the observed gaps and bright rings as well as radial changes ...
    • External or internal companion exciting the spiral arms in CQ Tau? 
      Hammond, Iain; Christiaens, Valentin; Price, Daniel J.; Ubeira Gabellini, Maria Giulia; Baird, Jennifer; Calcino, Josh; Benisty, Myriam; Lodato, Giuseppe; Testi, Leonardo; Pinte, Christophe; Toci, Claudia; Fedele, Davide (Oxford Univ Press, 2022)
      We present new high-contrast images in near-infrared wavelengths (lambda(c) = 1.04, 1.24, 1.62, 2.18, and 3.78 mu m) of the young variable star CQ Tau, aiming to constrain the presence of companions in the protoplanetary ...
    • Gas Inside the 97 AU Cavity around the Transition Disk Sz 91 
      Canovas, H.; Schreiber, M. R.; Cáceres, C.; Ménard, Francois; Pinte, Christophe; Mathews, G.; Cieza, L.; Casassus Montero, Simón; Hales, A.; Williams, J. P.; Román, P.; Hardy, A. (The American Astronomical Society, 2015-05-20)
      We present ALMA (Cycle 0) band 6 and band 3 observations of the transition disk Sz 91. The disk inclination and position angle are determined to be i = 49◦ . 5 ± 3◦ . 5°and PA = 18◦ . 2 ± 3◦ . 5 and the dusty and ...
    • A Herschel PACS survey of the dust and gas in Upper Scorpius disks 
      Mathews, Geoffrey S.; Pinte, Christophe; Duchêne, Gaspard; Williams, Jonathan P.; Ménard, Francois (EDP Sciences, 2013)
      We present results of far-infrared photometric observations with Herschel PACS of a sample of Upper Scorpius stars, with a detection rate of previously known disk-bearing K and M stars at 70, 100, and 160 μm of 71%, 56%, ...
    • High-resolution observations of the outer disk around T Chamaeleontis: the view from ALMA 
      Huélamo, N.; De Gregorio Monsalvo, Itziar; Macias, E.; Pinte, Christophe; Ireland, M.; Tuthill, P.; Lacour, S. (EDP Sciences, 2015)
      Context. Transitional disks are circumstellar disks with dust gaps thought to be related in some cases to planet formation. They can shed light on the planet formation process by the analysis of their gas and dust properties. ...
    • 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 ...
    • Nature of the gas and dust around 51 Ophiuchi : Modelling continuum and Herschel line observations 
      Thi, W. F.; Ménard, Francois; Meeus, G.; Carmona, A.; Riviere Marichalar, P.; Augereau, J. C.; Kamp, I.; Woitke, P.; Pinte, Christophe; Mendigutía, I.; Eiroa, C.; Montesinos, B.; Britain, S.; Dent, W. (EDP Sciences, 2013)
      Context. Circumstellar disc evolution is paramount for the understanding of planet formation. The gas in protoplanetary discs large program (GASPS) aims at determining the circumstellar gas and solid mass around ∼250 ...
    • Near-infrared imaging polarimetry of HD142527 
      Canovas, H.; Ménard, Francois; Hales, A.; Jordán, A.; Schreiber, M. R.; Casassus Farran, Simón; Gledhill, T. M.; Pinte, Christophe (EDP Sciences, 2013)
      Context. HD142527 is a pre-transition disk with strong evidence for ongoing planet formation. Recent observations show a disrupted disk with spiral arms, a dust-depleted inner cavity and the possible presence of gas streams ...
    • New constraints on the dust surrounding HR 4796A 
      Milli, J.; Mawet, D.; Pinte, Christophe; Lagrange, Anne Marie; Mouillet, D.; Girard, J. H.; Augereau, J. C.; Boer, J. de; Pueyo, L.; Choquet, É. (ESO, 2015)
      Context. HR 4796A is surrounded by a well-structured and very bright circumstellar disc shaped like an annulus with many interesting features: very sharp inner and outer edges, brightness asymmetries, centre offset, and ...