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Updated: Jun 16, 2026

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Published on: May 29, 2019
Atmospheric emission measurements with a balloon-borne michelson interferometer
Abstract:
Astronomical measurements at mid- and far-infrared wavelengths can be made by using aircraft or balloons to carry telescopes above the strongly absorbing lower atmosphere. To measure the atmospheric background radiation present at these altitudes, a Michelson interferometer has been built and flown to a height of 38 km on a balloon. This paper describes the instrument and the methods of data reduction and calibration, and presents initial spectra in the range 100-1000 cm(-1) (10-100 micro) obtained to a mean resolution of 34 cm(-1) during flight.
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