Search Results - "Raymond, S. N"
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Water loss from terrestrial planets orbiting ultracool dwarfs: implications for the planets of TRAPPIST-1
Published in Monthly notices of the Royal Astronomical Society (01-01-2017)“…Ultracool dwarfs (UCD; T^sub eff^ < ~3000 K) cool to settle on the main sequence after ~1 Gyr. For brown dwarfs, this cooling never stops. Their habitable…”
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Populating the asteroid belt from two parent source regions due to the migration of giant planets-"The Grand Tack"
Published in Meteoritics & planetary science (01-12-2012)“…– The asteroid belt is found today in a dramatically different state than that immediately following its formation. It is estimated that it has been depleted…”
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Dry late accretion inferred from Venus’s coupled atmosphere and internal evolution
Published in Nature geoscience (01-04-2020)“…It remains contentious whether the meteoritic material delivered to the terrestrial planets after the end of core formation was rich or poor in water and other…”
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Building Terrestrial Planets
Published in Annual review of earth and planetary sciences (01-01-2012)“…This article reviews our current understanding of terrestrial planet formation. The focus is on computer simulations of the dynamical aspects of the accretion…”
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No evidence for interstellar planetesimals trapped in the Solar system
Published in Monthly notices of the Royal Astronomical Society. Letters (01-09-2020)“…ABSTRACT In two recent papers published in MNRAS, Namouni and Morais claimed evidence for the interstellar origin of some small Solar system bodies, including:…”
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A record of the final phase of giant planet migration fossilized in the asteroid belt’s orbital structure
Published in Monthly notices of the Royal Astronomical Society. Letters (11-02-2020)“…ABSTRACT The asteroid belt is characterized by an extreme low total mass of material on dynamically excited orbits. The Nice model explains many peculiar…”
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Vortex instabilities triggered by low-mass planets in pebble-rich, inviscid protoplanetary discs
Published in Monthly notices of the Royal Astronomical Society (01-09-2019)“…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
Published in Monthly notices of the Royal Astronomical Society (11-11-2016)“…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
Published in Monthly notices of the Royal Astronomical Society (11-08-2014)“…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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Planetesimal-driven migration as an explanation for observations of high levels of warm, exozodiacal dust
Published in Monthly notices of the Royal Astronomical Society (01-07-2014)“…High levels of exozodiacal dust have been observed in the inner regions of a large fraction of main-sequence stars. Given the short lifetime of the observed…”
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The extreme physical properties of the CoRoT-7b super-Earth
Published in Icarus (New York, N.Y. 1962) (01-05-2011)“…► We discuss the extreme physical properties possible for CoRoT-7b and Kepler-10b. ► We make the working hypothesis that the planets are rocky, with no…”
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Making other earths: dynamical simulations of terrestrial planet formation and water delivery
Published in Icarus (New York, N.Y. 1962) (01-03-2004)“…We present results from 44 simulations of late stage planetary accretion, focusing on the delivery of volatiles (primarily water) to the terrestrial planets…”
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Terrestrial Planet Formation in Disks with Varying Surface Density Profiles
Published in The Astrophysical journal (10-10-2005)“…The minimum-mass solar nebula (MMSN) model estimates the surface density distribution of the protoplanetary disk by assuming the planets to have formed in…”
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Predicting Planets in Known Extrasolar Planetary Systems. I. Test Particle Simulations
Published in The Astrophysical journal (10-12-2004)“…Recent work has suggested that many planetary systems lie near instability. If all systems are near instability, then at least one additional planet must exist…”
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Predicting Planets in Known Extrasolar Planetary Systems. II. Testing for Saturn Mass Planets
Published in The Astrophysical journal (20-01-2005)“…Recent results have shown that many of the known extrasolar planetary systems contain regions that are stable for massless test particles. We examine the…”
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The effect of collisional erosion on the composition of Earth-analog planets in Grand Tack models: Implications for the formation of the Earth
Published 21-10-2022“…Impact-induced erosion of the Earth's early crust during accretion of terrestrial bodies can significantly modify the primordial chemical composition of the…”
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Influence of planetary gas accretion on the shape and depth of gaps in protoplanetary discs
Published 29-11-2020“…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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The effect of collisional erosion on the composition of Earth-analog planets in Grand Tack models: Implications for the formation of the Earth
Published in Icarus (New York, N.Y. 1962) (01-02-2023)“…Impact-induced erosion of the Earth’s early crust during accretion of terrestrial bodies can significantly modify the primordial chemical composition of the…”
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Dry Late Accretion inferred from Venus' coupled atmosphere and internal evolution
Published 14-10-2020“…Nature Geoscience, 13(4), 265-269 (2020) The composition of meteoritic material delivered to the terrestrial planets after the end of core formation as late…”
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TOI-4336 A b: A temperate sub-Neptune ripe for atmospheric characterization in a nearby triple M-dwarf system
Published 19-04-2024“…A&A 687, A48 (2024) Small planets transiting bright nearby stars are essential to our understanding of the formation and evolution of exoplanetary systems…”
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