Bernard Lyot Telescope

Bernard Lyot Telescope

Bernard Lyot at sunrise
Alternative names	TBL
Named after	Bernard Lyot
Location(s)	France
Coordinates	42°54′47″N 0°11′48″W
Altitude	2,877 m (9,439 ft)
Telescope style	laboratory optical telescope
Diameter	2 m (6 ft 7 in)
Website	www.tbl.obs-mip.fr
Location of Bernard Lyot Telescope
Related media on Commons

Underneath mirror inside

Pic du Midi de Bigorre Observatory, with the Bernard Lyot on the far left

The Bernard Lyot Telescope (Téléscope Bernard Lyot, or TBL) is a 2-meter Cassegraintelescope 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 2007, the Bernard Lyot Telescope has housed an echelle spectropolarimeter, NARVAL, which allows astronomers to probe stellar magnetic fields with exquisite sensitivity.

See also

• Observatoire Midi-Pyrénées
• List of largest optical telescopes in the 20th century

External links

• Media related to Bernard Lyot Telescope at Wikimedia Commons