Abstract
The paper describes the first results of all-sky polarization measurements of the twilight background started in central Russia in the very beginning of summer 2011. Time-frequency data of the sky intensity and polarization over a wide range of sky point zenith distances are used to separate single and multiple scattering and construct the altitude dependence of the scattering coefficient and polarization in the mesosphere (altitudes from 60 to 90 km) at different angles. The undisturbed structure of the mesosphere without noticeable aerosol stratification on observation days makes it possible to estimate the temperature of the atmosphere at these altitudes.
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Ugolnikov, O.S., Maslov, I.A. Optical properties of the undisturbed mesosphere from wide-angle twilight sky polarimetry. Cosmic Res 51, 235–240 (2013). https://doi.org/10.1134/S0010952513040084
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DOI: https://doi.org/10.1134/S0010952513040084