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The orbital motion, absolute mass and high-altitude winds of exoplanet HD 209458b
TLDR
High-dispersion ground-based spectroscopy of a transit of the extrasolar planet HD 209458b sees a significant wavelength shift in absorption lines from carbon monoxide in the planet’s atmosphere, which is concluded arises from a change in the radial component of the planet's orbital velocity. Expand
An asteroseismic view of the radius valley: stripped cores, not born rocky
Various theoretical models treating the effect of stellar irradiation on planetary envelopes predict the presence of a radius valley, i.e. a bimodal distribution of planet radii, with super-EarthsExpand
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 addressesExpand
The signature of orbital motion from the dayside of the planet τ Boötis b
TLDR
The detection of carbon monoxide absorption in the thermal dayside spectrum of τ Boötis b supports the hypothesis that the absorbing compounds believed to cause such atmospheric inversions are destroyed in τ Bo Ötis b by the ultraviolet emission from the active host star. Expand
Ground-based detection of sodium in the transmission spectrum of exoplanet HD209458b
Context. The first detection of an atmosphere around an extrasolar planet was presented by Charbonneau and collaborators in 2002. In the optical transmission spectrum of the transiting exoplanet HDExpand
Optical to near-infrared transit observations of super-Earth GJ 1214b: water-world or mini-Neptune?
Context. GJ1214b, the 6.55 Earth-mass transiting planet recently discovered by the MEarth team, has a mean density of∼35% of that of the Earth. It is thought that this planet is either a mini-NExpand
Fast spin of the young extrasolar planet β Pictoris b
TLDR
The combined line profile exhibits a rotational broadening of about 25 kilometres per second, meaning that β Pictoris b spins significantly faster than any planet in the Solar System, in line with the extrapolation of the known trend in spin velocity with planet mass. Expand
The fast spin-rotation of a young extrasolar planet
The spin-rotation of a planet arises from the accretion of angular momentum during its formation, but the details of this process are still unclear. In the solar system, the equatorial rotationExpand
The changing phases of extrasolar planet CoRoT-1b
TLDR
Optical photometric data obtained over 36 planetary orbits of the transiting hot Jupiter CoRoT-1b are consistent with the nightside hemisphere of the planet being entirely black, with the dayside flux dominating the optical phase curve. Expand
1608+656: A Quadruple-Lens System Found in the CLASS Gravitational Lens Survey
The first phase of a large gravitational lens survey using the Very Large Array at a wavelength of 3.6 cm has been completed, yielding images for 3258 radio sources. The Cosmic Lens All-Sky SurveyExpand
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