Antoine_Émile_Henry_Labeyrie
Antoine Émile Henry Labeyrie
French astronomer (born 1943)
Antoine Émile Henry Labeyrie (born 12 May 1943) is a French astronomer, who held the Observational astrophysics chair at the Collège de France between 1991 and 2014, where he is currently professor emeritus.[1][2] He is working with the Hypertelescope Lise association,[3] which aims to develop an extremely large astronomical interferometer with spherical geometry that might theoretically show features on Earth-like worlds around other suns, as its president.[4][5] He is a member of the French Academy of Sciences in the Sciences of the Universe (sciences de l'univers) section.[6] Between 1995 and 1999 he was director of the Haute-Provence Observatory.
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Labeyrie graduated from the "grande école" SupOptique (École supérieure d'optique). He invented speckle interferometry,[7] and works with astronomical interferometers. Labeyrie concentrated particularly on the use of "diluted optics" beam combination or "densified pupils" of a similar type but larger scale than those Michelson used for measuring the diameters of stars in the 1920s, in contrast to other astronomical interferometer researchers who generally switched to pupil-plane beam combination in the 1980s and 1990s.
The main-belt asteroid 8788 Labeyrie (1978 VP2) is named in honor of Antoine Émile Henry Labeyrie and Catherine Labeyrie.[8] In 2000, he was awarded The Benjamin Franklin Medal.