In the article “ATLAS Space Shuttle Studies Earth's Atmosphere and Solar Input,” by Timothy L. Miller, Steven A. Smith, and Jack. A. Kaye [Eos, July 19, 1994], the authors state that “The mission procured the first spacebased measurements of OH in the atmosphere.” This was in reference to the ATLAS-1 mission that flew in the spring of 1992.
We wish to correct this statement. CIRRIS 1A measured the vibrational and rotational spectral distribution of OH in the infrared onboard STS-39, April 29–30,1991. The results of these measurements have been published [Smith et al., 1992; Dodd et al., 1993]. In fact, our organization, Optical Environment, Phillips Laboratory/Geophysics Directorate, has measured the 2.7 pm OH emission in the upper atmosphere for over 20 years.
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