Search Results - "Hubbard, W. B."
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Comparing Jupiter interior structure models to Juno gravity measurements and the role of a dilute core
Published in Geophysical research letters (28-05-2017)“…The Juno spacecraft has measured Jupiter's low‐order, even gravitational moments, J2–J8, to an unprecedented precision, providing important constraints on the…”
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Jupiter’s atmospheric jet streams extend thousands of kilometres deep
Published in Nature (London) (08-03-2018)“…The determination of Jupiter’s odd gravitational harmonics by the Juno spacecraft reveals that the observed jet streams extend to about three thousand…”
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A suppression of differential rotation in Jupiter’s deep interior
Published in Nature (London) (08-03-2018)“…The determination of Jupiter’s even gravitational moments by the Juno spacecraft reveals that more than three thousand kilometres below the cloud tops,…”
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Possible Solutions to the Radius Anomalies of Transiting Giant Planets
Published in The Astrophysical journal (20-05-2007)“…We calculate the theoretical evolution of the radii of all 14 of the known transiting extrasolar giant planets (EGPs) for a variety of assumptions concerning…”
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Measurement of Jupiter’s asymmetric gravity field
Published in Nature (London) (08-03-2018)“…Precise Doppler tracking of the Juno spacecraft in its polar orbit around Jupiter is used to determine the planet’s gravity harmonics, showing north–south…”
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A Massive Core in Jupiter Predicted from First-Principles Simulations
Published in The Astrophysical journal (20-11-2008)“…Hydrogen-helium mixtures at conditions of Jupiter's interior are studied with first-principles computer simulations. The resulting equation of state (EOS)…”
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CONCENTRIC MACLAURIN SPHEROID MODELS OF ROTATING LIQUID PLANETS
Published in The Astrophysical journal (01-05-2013)“…I present exact expressions for the interior gravitational potential V of a system of N concentric constant-density (Maclaurin) spheroids. I demonstrate an…”
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A Theory for the Radius of the Transiting Giant Planet HD 209458b
Published in The Astrophysical journal (01-09-2003)Get full text
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AB INITIO EQUATION OF STATE FOR HYDROGEN-HELIUM MIXTURES WITH RECALIBRATION OF THE GIANT-PLANET MASS-RADIUS RELATION
Published in The Astrophysical journal (10-09-2013)“…Using density functional molecular dynamics simulations, we determine the equation of state (EOS) for hydrogen-helium mixtures spanning density-temperature…”
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The theory of brown dwarfs and extrasolar giant planets
Published in Reviews of modern physics (01-07-2001)Get full text
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A Nongray Theory of Extrasolar Giant Planets and Brown Dwarfs
Published in The Astrophysical journal (20-12-1997)Get full text
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Models of Saturn's Interior Constructed with an Accelerated Concentric Maclaurin Spheroid Method
Published in The Astrophysical journal (10-07-2019)“…The Cassini spacecraft's Grand Finale orbits provided a unique opportunity to probe Saturn's gravity field and interior structure. Doppler measurements yielded…”
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Effects of Helium Phase Separation on the Evolution of Extrasolar Giant Planets
Published in The Astrophysical journal (20-06-2004)“…We build on recent new evolutionary models of Jupiter and Saturn and here extend our calculations to investigate the evolution of extrasolar giant planets of…”
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A PRELIMINARY JUPITER MODEL
Published in The Astrophysical journal (20-03-2016)“…ABSTRACT In anticipation of new observational results for Jupiter's axial moment of inertia and gravitational zonal harmonic coefficients from the forthcoming…”
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THEORY OF GIANT PLANETS
Published in Annual review of astronomy and astrophysics (01-01-2002)“…Giant planet research has moved from the study of a handful of solar system objects to that of a class of bodies with dozens of known members. Since the…”
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On the Indirect Detection of Sodium in the Atmosphere of the Planetary Companion to HD 209458
Published in The Astrophysical journal (20-05-2003)Get full text
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Effects of mass loss for highly-irradiated giant planets
Published in Icarus (New York, N.Y. 1962) (01-04-2007)“…We present calculations for the evolution and surviving mass of highly-irradiated extrasolar giant planets (EGPs) at orbital semimajor axes ranging from 0.023…”
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A Mass Function Constraint on Extrasolar Giant Planet Evaporation Rates
Published in The Astrophysical journal (20-03-2007)“…The observed mass function for all known extrasolar giant planets (EGPs) varies approximately as M super(-1) for mass M between 60.2 Jupiter masses (M sub(J))…”
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Orbital Evolution and Migration of Giant Planets: Modeling Extrasolar Planets
Published in The Astrophysical journal (10-06-1998)Get full text
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Atmospheric, Evolutionary, and Spectral Models of the Brown Dwarf Gliese 229 B
Published in Science (American Association for the Advancement of Science) (28-06-1996)“…Theoretical spectra and evolutionary models that span the giant planet-brown dwarf continuum have been computed based on the recent discovery of the brown…”
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