Bernard Lyot Telescope

Bernard Lyot Telescope

Bernard Lyot at sunrise
Coordinates	42°54′47″N 0°11′48″W / 42.9131°N 0.1967°W / 42.9131; -0.1967Coordinates: 42°54′47″N 0°11′48″W / 42.9131°N 0.1967°W / 42.9131; -0.1967
Altitude	2,877 m (9,439 ft)
Telescope style	optical telescope
Diameter	2 m (6 ft 7 in)
Website	www.tbl.obs-mip.fr
Location of Bernard Lyot Telescope in Earth.
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The Bernard Lyot Telescope (Téléscope Bernard Lyot, or TBL) is a 2 m Cassegrain telescope operating in the visible domain, since 1980. It is located at 2877 m elevation on the Pic du Midi in the French Pyrenees. Since 2007, the Bernard Lyot Telescope is housing an echelle spectropolarimeter NARVAL, allowing astronomers to probe stellar magnetic fields to an exquisite sensitivity.