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Planetary Radii across Five Orders of Magnitude in Mass and Stellar Insolation: Application to Transits
Jonathan J. Fortney, Mark S. Marley, Jason W. Barnes
To aid in the physical interpretation of planetary radii constrained through observations of transiting planets, or eventually direct detections, we compute model radii of pure hyd…
Physical parameters of two very cool T dwarfs
D. Saumon, M. S. Marley, S. K. Leggett +8
We present new infrared spectra of the T8 brown dwarf 2MASS J04151954-0935066: 2.9-4.1 micron spectra obtained with the Infrared Camera and Spectrograph on the Subaru Telescope, an…
3.6-7.9 um Photometry of L and T Dwarfs and the Prevalence of Vertical Mixing in their Atmospheres
S. K. Leggett, D. Saumon, M. S. Marley +4
We present new L' (3.75 um) photometry of six L and T dwarfs, and M' (4.70 um) photometry of ten L and T dwarfs, observed at Gemini Observatory, and new 3.55, 4.49, 5.73 and 7.87 u…
On the Luminosity of Young Jupiters
M. S. Marley, J. J. Fortney, O. Hubickyj +2
Traditional thermal evolution models of giant planets employ arbitrary initial conditions selected more for computational expediency than physical accuracy. Since the initial condi…
The Influence of Atmospheric Dynamics on the Infrared Spectra and Light Curves of Hot Jupiters
J. J. Fortney, C. S. Cooper, A. P. Showman +2
We explore the infrared spectrum of a three-dimensional dynamical model of planet HD209458b as a function of orbital phase. The dynamical model predicts day-side atmospheric pressu…
A Sensitive Search for Variability in Late L Dwarfs: The Quest for Weather
M. Morales-Calderon, J. R. Stauffer, J. Davy Kirkpatrick +10
We have conducted a photometric monitoring program of 3 field late-L brown dwarfs looking for evidence of non-axisymmetric structure or temporal variability in their photospheres.…