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A seven-planet resonant chain in TRAPPIST-1
- R. Luger, M. Sestovic, D. Queloz
- Physics, Geology
- 12 March 2017
The TRAPPIST-1 system is the first transiting planet system found orbiting an ultra-cool dwarf star. At least seven planets similar to Earth in radius and in mass were previously found to transit…
The PLATO 2.0 mission
PLATO 2.0 has recently been selected for ESA’s M3 launch opportunity (2022/24). Providing accurate key planet parameters (radius, mass, density and age) in statistical numbers, it addresses…
The nature of the TRAPPIST-1 exoplanets.
Context. The TRAPPIST-1 system hosts seven Earth-sized, temperate exoplanets orbiting an ultra-cool dwarf star. As such, it represents a remarkable setting to study the formation and evolution of…
Planet Hunters IX. KIC 8462852-where's the flux?
- T. Boyajian, D. LaCourse, A. Szewczyk
- Physics
- 11 September 2015
TSB acknowledges support provided through NASA grant ADAP12-0172 and ADAP14-0245. MCW and GMK acknowledge the support of the European Union through ERC grant number 279973. The authors acknowledge…
A map of the large day–night temperature gradient of a super-Earth exoplanet
TLDR
Atmospheric circulation of tidally locked exoplanets: a suite of benchmark tests for dynamical solvers
- K. Heng, K. Menou, P. Phillipps
- Geology, Physics
- 6 October 2010
The rapid pace of extrasolar planet discovery and characterization is legitimizing the study of their atmospheres via three-dimensional numerical simulations. The complexity of atmospheric modelling…
Spatial Structure and Collisionless Electron Heating in Balmer-dominated Shocks
- M. Adelsberg, K. Heng, R. McCray, J. Raymond
- Physics
- 18 March 2008
Balmer-dominated shocks in supernova remnants (SNRs) produce strong hydrogen lines with a two-component profile composed of a narrow contribution from cold upstream hydrogen atoms and abroad…
The Deep Blue Color of HD 189733b: Albedo Measurements with Hubble Space Telescope/Space Telescope Imaging Spectrograph at Visible Wavelengths
- T. Evans, F. Pont, A. D. Etangs
- Physics, Geology
- 11 July 2013
We present a secondary eclipse observation for the hot Jupiter HD 189733b across the wavelength range 290-570 nm made using the Space Telescope Imaging Spectrograph on the Hubble Space Telescope. We…
Inference of Inhomogeneous Clouds in an Exoplanet Atmosphere
We present new visible and infrared observations of the hot Jupiter Kepler-7b to determine its atmospheric properties. Our analysis allows us to (1) refine Kepler-7b's relatively large geometric…
The Dependence of Brown Dwarf Radii on Atmospheric Metallicity and Clouds: Theory and Comparison with Observations
- A. Burrows, K. Heng, Thane Nampaisarn
- Physics, Geology
- 18 February 2011
Employing realistic and consistent atmosphere boundary conditions, we have generated evolutionary models for brown dwarfs and very low mass stars (VLMs) for different atmospheric metallicities…
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