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A Fourier transform technique is developed by which it is possible to distinguish between microturbulence, macroturbulence, and rotation. The method is applied to photoelectric observations of the Fe I A6065 line in six stars. It is found that microturbulence can be used to give a quantitatively consistent interpretation of the observations. Subject headings: atmospheres, stellar - rotation, stellar - turbulence
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David F. Gray (1973) studied this question.
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