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C. Brinkman

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Preprint Oct 2026

"Mega-Earths"are likely an artifact of stellar activity

Empirical relations and planet formation simulations suggest an upper mass limit for rocky planets of $\sim$10M$_{\oplus}$, as cores above this will almost certainly undergo runaway gas accretion. Nevertheless, a small number of planets appear to have densities consistent with rocky Earth-like compositions above this t...

C. Brinkman, Nicolas B. Cowan · 0 citations
Review Open access Sep 2026

Radial velocity detection of the TRAPPIST-1 planetary system with SPIRou and NIRPS

The system is well known for its seven transiting Earth-sized exoplanets. It has been extensively studied and characterized, notably with transit timing variations (TTVs), to precisely measure the mass of the planets. Using near-infrared spectroscopic observations obtained as part of the SPIRou Legacy Survey and the NI...

A. L'Heureux, R. Doyon, C. Cadieux et al. · 0 citations

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