Research Interests:

Atmosphere of the hottest exoplanet

A clear and strong Hα line absorption detected in KELT-9b -- the hottest exoplanet
(Published on Nature Astronomy)

Model RM+CLV effect

Modelling stellar line profile change due to Rossiter-McLaughlin effect and CLV effect
(Important for transmission spectrum)

Lunar eclipses

Observing the Earth transiting the Sun using lunar eclipses
(Earth as an exo-Earth)

CLV effect

Stellar line's centre-to-limb variation during exoplanet transit


Fei Yan

Max-Planck-Institut für Astronomie

Königstuhl 17, 69117 Heidelberg, Germany