Zeeman–Doppler imaging
Videos
In astrophysics, Zeeman–Doppler imaging is a tomographic technique dedicated to the cartography of stellar magnetic fields, as well as surface brightness or spots and temperature distributions.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman–Doppler Imaging
Bernard Lyot Telescope
Videos
The Bernard Lyot Telescope is a 2-meter Cassegrain telescope operating in the visible domain since 1980. It is located at an elevation of 2,877 meters on the Pic du Midi in the French Pyrenees. Since
Bernard Lyot at sunrise
Underneath mirror inside
Pic du Midi de Bigorre Observatory, with the Bernard Lyot on the far left