Spectrophotometry of the earth from the piloted Soyuz 13 spacecraft

Details Spectrophotometry of the earth from the piloted Soyuz 13 spacecraft Spectrophotometry of the earth from the piloted Soyuz 13 spacecraft

Apr 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975dossr.221.1310b&link_type=abstract

Akademiia Nauk SSSR, Doklady, vol. 221, Apr. 21, 1975, p. 1310-1313. In Russian.

Physics

1

Atmospheric Radiation, Earth Surface, Sky Brightness, Soyuz Spacecraft, Spectrophotometry, Dayglow, Ozonosphere, Twilight Glow

Scientific paper

The paper describes the spectrophotometric experiment carried out aboard the manned Soyuz 13 spacecraft, in which the spectral brightness of the twilight and daytime horizons of the earth were recorded at various perigee altitudes of the line of sight. An example of the analysis of the data shows that at a line-of-sight perigee altitude of 22.6 km, the maximum of the spectral brightness of the twilight aureole was at the 450-nm wavelength. As altitude decreases the maximum shifts toward longer wavelengths. Brightness minimum occurs at 570-600 nm, due to absorption of ozone in the Chappius band. The depth of this minimum depends on the height of the atmospheric layer under consideration. This presents the possibility of using spectra of the twilight aureole for global studies of the vertical ozone distribution.

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