Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou

R. Allart, P. -B. Lemée-Joliecoeur, A. Y. Jaziri +31

The metastable helium triplet in the near-infrared (10833Å) is among the most important probes of exoplanet atmospheres. It can trace their extended outer layers and constrain mass…