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The prevalence of dust on the exoplanet HD 189733b from Hubble and Spitzer observations
F. Pont, D. K. Sing, N. P. Gibson +3
The hot Jupiter HD189733b is the most extensively observed exoplanet. Its atmosphere has been detected and characterised in transmission and eclipse spectroscopy, and its phase cur…
GTC OSIRIS transiting exoplanet atmospheric survey: detection of sodium in XO-2b from differential long-slit spectroscopy
D. K. Sing, C. M. Huitson, M. Lopez-Morales +8
We present two transits of the hot-Jupiter exoplanet XO-2b using the Gran Telescopio Canarias (GTC). The time series observations were performed using long-slit spectroscopy of XO-…
Circumstellar disks and planets. Science cases for next-generation optical/infrared long-baseline interferometers
Sebastian Wolf, Fabien Malbet, Richard Alexander +10
We present a review of the interplay between the evolution of circumstellar disks and the formation of planets, both from the perspective of theoretical models and dedicated observ…
Observational constraints on tidal effects using orbital eccentricities
Nawal Husnoo, Frédéric Pont, Tsevi Mazeh +4
We have analysed radial velocity measurements for known transiting exoplanets to study the empirical signature of tidal orbital evolution for close-in planets. Compared to standard…
Temperature-Pressure Profile of the hot Jupiter HD 189733b from HST Sodium Observations: Detection of Upper Atmospheric Heating
Catherine M. Huitson, David K. Sing, Alfred Vidal-Madjar +4
We present transmission spectra of the hot Jupiter HD 189733b taken with the Space Telescope Imaging Spectrograph aboard HST. The spectra cover the wavelength range 5808-6380 Ang w…
The Effects of Irradiation on Hot Jovian Atmospheres: Heat Redistribution and Energy Dissipation
Rosalba Perna, Kevin Heng, Frederic Pont
Hot Jupiters, due to the proximity to their parent stars, are subjected to a strong irradiating flux which governs their radiative and dynamical properties. We compute a suite of 3…