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Stellar activity can mimic misaligned exoplanets
The occultation of stellar active regions during the planetary transit can lead to inaccurate estimates of the characteristics of these exoplanets, especially the spin-orbit tilt angle. This was the conclusion of... read more ❯
Half of Kepler’s giant exoplanet candidates are false positives
An international team led by Alexandre Santerne from Instituto de Astrofísica e Ciências do Espaço (IA), made a 5-year radial velocity1 campaign of Kepler’s giant exoplanet candidates, using the SOPHIE... read more ❯
Rocky exoplanet with atmosphere detected in the neighborhood of the Solar System
Nuno Cardoso Santos, from the Instituto de Astrofísica e Ciências do Espaço (IA), participated in the discovery of the “exoVenus” GJ 1132b, announced today in Nature.
Learn more » (only in... read more ❯
Stellar atmosphere can be used to predict the composition of rocky exoplanets
In two recently published articles1,2, researchers from Instituto de Astrofísica e Ciências do Espaço (IA) show that the ratio of some heavy elements in a star, like Magnesium (Mg), Silicon... read more ❯
