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Gaia Data Release 2

The internal analysis of the data shows that the photometric calibrations can reach a precision as low as 2 mmag on individual CCD measurements, and other tests show that systematic effects are present in the data at the 10 mmag level.
arXiv (opens in a new tab)

Gaia Data Release 3. Summary of the content and survey properties

We present the third data release of the European Space Agency's Gaia mission, GDR3. The GDR3 catalogue is the outcome of the processing of raw data collected with the Gaia instruments during the…
arXiv (opens in a new tab)

Gaia Early Data Release 3: Structure and properties of the Magellanic Clouds

We compare the Gaia DR2 and Gaia EDR3 performances in the study of the Magellanic Clouds and show the clear improvements in precision and accuracy in the new release. We also show that the…
arXiv (opens in a new tab)

WASP-44b, WASP-45b and WASP-46b: three short-period, transiting extrasolar planets

We report the discovery of three extrasolar planets that transit their moderately bright (mV= 12–13) host stars. WASP-44b is a 0.89-MJup planet in a 2.42-day orbit around a G8V star. WASP-45b is a…
arXiv (opens in a new tab)

New insights on the AU-scale circumstellar structure of FU Orionis

We report new near-infrared, long-baseline interferometric observations at the AU scale of the pre-main-sequence star FU Orionis with the PTI, IOTA and VLTI interferometers. This young stellar object…
arXiv (opens in a new tab)

A temperate exo-Earth around a quiet M dwarf at 3.4 parsec

The combination of high-contrast imaging and high-dispersion spectroscopy, which has successfully been use to detect the atmosphere of a giant planet, is one of the most promising potential probes of…
arXiv (opens in a new tab)

Spin-orbit angle measurements for six southern transiting planets: New insights into the dynamical origins of hot Jupiters

The goal is to measure the degree of alignment between planetary orbits and stellar spin axes, to search for potential correlations with eccentricity or other planetary parameters and to measure long term radial velocity variability indicating the presence of other bodies in the system.
arXiv (opens in a new tab)

TESS Discovery of an Ultra-short-period Planet around the Nearby M Dwarf LHS 3844

Data from the newly commissioned Transiting Exoplanet Survey Satellite has revealed a “hot Earth” around LHS 3844, an M dwarf located 15 pc away. The planet has a radius of R⊕ and orbits the star…
IOP Publishing (opens in a new tab)

From Dense Hot Jupiter to Low Density Neptune: The Discovery of WASP-127b, WASP-136b and WASP-138b

We report three newly discovered exoplanets from the SuperWASP survey. WASP-127b is a heavily inflated super-Neptune of mass 0.18±0.02 M J and radius 1.37±0.04 R J . This is one of the least massive…
arXiv (opens in a new tab)

The SOPHIE search for northern extrasolar planets

We present the detection of a warm Neptune orbiting the M dwarf Gl 378, using radial velocity measurements obtained with the SOPHIE spectrograph at the Observatoire de Haute-Provence. The star was…
arXiv (opens in a new tab)
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