Search Results - "Pierens, A."

Fast migration of low-mass planets in radiative discs by Pierens, A.

“…Low-mass planets are known to undergo Type I migration and this process must have played a key role during the evolution of planetary systems. Analytical…”
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Orbital alignment of circumbinary planets that form in misaligned circumbinary discs: the case of Kepler-413b by Pierens, A, Nelson, R P

“…Abstract Although most of the circumbinary planets detected by the Kepler spacecraft are on orbits that are closely aligned with the binary orbital plane, the…”
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Vortex instabilities triggered by low-mass planets in pebble-rich, inviscid protoplanetary discs by Pierens, A, Lin, M-K, Raymond, S N

“…Abstract In the innermost regions of protoplanerary discs, the solid-to-gas ratio can be increased considerably by a number of processes, including…”
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Migration of Accreting Planets in Radiative Discs From Dynamical Torques by Pierens, A, Raymond, S N

“…We present the results of hydrodynamical simulations of the orbital evolution of planets undergoing runaway gas accretion in radiative discs. We consider…”
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Disruption of co-orbital (1:1) planetary resonances during gas-driven orbital migration by Pierens, A., Raymond, S. N.

“…Planets close to their stars are thought to form farther out and migrate inwards due to angular momentum exchange with gaseous protoplanetary discs. This…”
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Protoplanetary migration in non-isothermal discs with turbulence driven by stochastic forcing by Pierens, A., Baruteau, C., Hersant, F.

“…Low-mass objects embedded in isothermal protoplanetary discs are known to suffer rapid inwards Type I migration. In non-isothermal discs, recent work has shown…”
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Breaking the chains: hot super-Earth systems from migration and disruption of compact resonant chains by Izidoro, Andre, Ogihara, Masahiro, Raymond, Sean N., Morbidelli, Alessandro, Pierens, Arnaud, Bitsch, Bertram, Cossou, Christophe, Hersant, Franck

“…Abstract ‘Hot super-Earths’ (or ‘mini-Neptunes’) between one and four times Earth's size with period shorter than 100 d orbit 30–50 per cent of Sun-like stars…”
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On the evolution of vortices in massive protoplanetary discs by Pierens, Arnaud, Lin, Min-Kai

“…It is expected that a pressure bump can be formed at the inner edge of a dead-zone, and where vortices can develop through the Rossby Wave Instability (RWI)…”
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Vortex survival in 3D self-gravitating accretion discs by Lin, Min-Kai, Pierens, Arnaud

“…ABSTRACT Large-scale, dust-trapping vortices may account for observations of asymmetric protoplanetary discs. Disc vortices are also potential sites for…”
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The role of disc self-gravity in circumbinary planet systems – II. Planet evolution by Mutter, Matthew M., Pierens, Arnaud, Nelson, Richard P.

“…Abstract We present the results of hydrodynamic simulations examining migration and growth of planets embedded in self-gravitating circumbinary discs. The…”
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The role of disc self-gravity in circumbinary planet systems – I. Disc structure and evolution by Mutter, Matthew M, Pierens, Arnaud, Nelson, Richard P

“…We present the results of two-dimensional hydrodynamic simulations of self-gravitating circumbinary discs around binaries whose parameters match those of the…”
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THE ASTEROID BELT AS A RELIC FROM A CHAOTIC EARLY SOLAR SYSTEM by Izidoro, André, Raymond, Sean N., Pierens, Arnaud, Morbidelli, Alessandro, Winter, Othon C., Nesvorny, David

“…ABSTRACT The orbital structure of the asteroid belt holds a record of the solar system's dynamical history. The current belt only contains ∼10−3 Earth masses…”
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Possible planet formation in the young, low-mass, multiple stellar system GG Tau A by Dutrey, Anne, Di Folco, Emmanuel, Guilloteau, Stéphane, Boehler, Yann, Bary, Jeff, Beck, Tracy, Beust, Hervé, Chapillon, Edwige, Gueth, Fredéric, Huré, Jean-Marc, Pierens, Arnaud, Piétu, Vincent, Simon, Michal, Tang, Ya-Wen

“…Investigation of the triple stellar system GG Tau A reveals gas fragments within the central cavity between the Keplerian outer ring orbiting the entire system…”
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Protoplanetary migration in non-isothermal discs with turbulence driven by stochastic forcing by Pierens, A., Baruteau, C., Hersant, F.

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Protoplanetary migration in non-isothermal discs with turbulence driven by stochastic forcing: Protoplanetary migration in non-isothermal discs by Pierens, A., Baruteau, C., Hersant, F.

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MAPPING CO GAS IN THE GG TAURI A TRIPLE SYSTEM WITH 50 au SPATIAL RESOLUTION by Tang, Ya-Wen, Dutrey, Anne, Guilloteau, Stéphane, Chapillon, Edwige, Pietu, Vincent, Di Folco, Emmanuel, Bary, Jeff, Beck, Tracy, Beust, Hervé, Boehler, Yann, Gueth, Fréderic, Huré, Jean-Marc, Pierens, Arnaud, Simon, Michal

“…ABSTRACT We aim to unveil the observational imprint of physical mechanisms that govern planetary formation in the young, multiple system GG Tau A. We present…”
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Accurate Numerical Potential and Field in Razor-thin, Axisymmetric Disks by Huré, Jean-Marc, Pierens, Arnaud

“…We demonstrate the high accuracy of the density splitting method to compute the gravitational potential and field in the plane of razor-thin, axisymmetric…”
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Rotation Curves of Galactic Disks for Arbitrary Surface Density Profiles: A Simple and Efficient Recipe by Pierens, Arnaud, Huré, Jean-Marc

“…There is apparently a widespread belief that the gravitational field (and subsequently the rotation curve) "inside" razor-thin, axially symmetric disks cannot…”
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Influence of planetary gas accretion on the shape and depth of gaps in protoplanetary discs by Bergez-Casalou, C, Bitsch, B, Pierens, A, Crida, A, Raymond, S. N

“…A&A 643, A133 (2020) It is widely known that giant planets have the capacity to open deep gaps in their natal gaseous protoplanetary discs. It is unclear,…”
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Protoplanetary migration in non-isothermal discs with turbulence driven by stochastic forcing by Pierens, A, Baruteau, C, Hersant, F

“…Low-mass objects embedded in isothermal protoplanetary discs are known to suffer rapid inward Type I migration. In non-isothermal discs, recent work has shown…”
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