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Conferences > AOLT > 1992 > AMD > AMD2

An experiment to investigate the isoplanatic angle of the atmosphere in the near infrared

Daniel R. Neal, Robert B. Michie, Jack Drummond, Don McCarthy, Julian Christou, and T. Stewart McKechnie

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Abstract

Recently there has been considerable discussion of the properties of atmospheric turbulence. The size of the outer scale (L0), and the scaling of the isoplanatic angle with wavelength have been questioned[1]. In order to address these questions, we conducted an experiment to make correlation measurements of the intensities in widely separated binary stars (~ 30 arc sec) as a function of separation.

© 1992 Optical Society of America

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