Astronomy and Astrophysics – Astrophysics – Earth and Planetary Astrophysics
Scientific paper
2011-08-13
Astronomy and Astrophysics
Astrophysics
Earth and Planetary Astrophysics
9 pages, 8 figures
Scientific paper
The paper describes the first results of all-sky polarization measurements of twilight background started in central Russia in the very beginning of summer 2011. Time-frequent data of sky intensity and polarization over the wide range of sky point zenith distances is used to separate the multiple scattering and to build the altitude dependency of scattering coefficient and polarization in the mesosphere (altitudes from 60 to 90 km) at different angles. Undisturbed structure of the mesosphere without the noticeable aerosol stratification during the observation days allows to estimate the atmosphere temperature at these altitudes.
Maslov Igor A.
Ugolnikov Oleg S.
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