activity
20072026
most citedThe nature of the TRAPPIST-1 exoplanets

343 citations · 2.1k across the 78 of their papers we have counts for

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Showing 2021 · astro-ph.EPShow all

7 papers · 2 filters

astro-ph.EP2021★ 48 cited

Spi-OPS: Spitzer and CHEOPS confirm the near-polar orbit of MASCARA-1 b and reveal a hint of dayside reflection

M. J. Hooton, S. Hoyer, D. Kitzmann +82

The light curves of tidally locked hot Jupiters transiting fast-rotating, early-type stars are a rich source of information about both the planet and star, with full-phase coverage…

astro-ph.EP2021★ 1 cited

The changing face of AU Mic b: stellar spots, spin-orbit commensurability, and Transit Timing Variations as seen by CHEOPS and TESS

Gy. M. Szabó, D. Gandolfi, A. Brandeker +78

AU Mic is a young planetary system with a resolved debris disc showing signs of planet formation and two transiting warm Neptunes near mean-motion resonances. Here we analyse three…

astro-ph.EP2021

A large sub-Neptune transiting the thick-disk M4V TOI-2406

R. D. Wells, B. V. Rackham, N. Schanche +71

Large sub-Neptunes are uncommon around the coolest stars in the Galaxy and are rarer still around those that are metal-poor. However, owing to the large planet-to-star radius ratio…

astro-ph.EP2021★ 87 cited

Transit detection of the long-period volatile-rich super-Earth Lupi d with

Laetitia Delrez, David Ehrenreich, Yann Alibert +75

Exoplanets transiting bright nearby stars are key objects for advancing our knowledge of planetary formation and evolution. The wealth of photons from the host star gives detailed…

astro-ph.EP2021★ 52 cited

CHEOPS Precision Phase Curve of the Super-Earth 55 Cnc e

B. M. Morris, L. Delrez, A. Brandeker +79

55 Cnc e is a transiting super-Earth (radius and mass ) orbiting a G8V host star on a 17-hour orbit. Spitzer observations of the planet's phase…

astro-ph.EP2021★ 82 cited

CHEOPS observations of the HD 108236 planetary system: A fifth planet, improved ephemerides, and planetary radii

A. Bonfanti, L. Delrez, M. J. Hooton +106

The detection of a super-Earth and three mini-Neptunes transiting the bright ( = 9.2 mag) star HD 108236 (also known as TOI-1233) was recently reported on the basis of TESS and…

astro-ph.EP2021★ 195 cited

Six transiting planets and a chain of Laplace resonances in TOI-178

A. Leleu, Y. Alibert, N. C. Hara +152

Determining the architecture of multi-planetary systems is one of the cornerstones of understanding planet formation and evolution. Resonant systems are especially important as the…