Determining Atmospheric Transmittance from the Brightness of the Twilight Sky

  • V. K. Pyldmaa


In order to interpret data on photometry of the twilight sky, one must know the spectral transmittance of the atmosphere. During twilight, however, it cannot be determined with the aid of either the sun, which is already below the horizon, or the stars, which are not yet bright enough against the background of the twilight sky. G. V. Rozenberg [1] has proposed a method of determining atmospheric transmittance from the brightness distribution of the twilight sky on the meridian perpendicular to the solar vertical circle.


Nauk SSSR Lower Layer English Translation Multiple Scattering Optical Thickness 
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Literature Cited

  1. 1.
    G. V. Rozenberg, Twilight [in Russian], Fizmatgiz (1963) [English translation, Plenum Press, New York (1966)].Google Scholar
  2. 2.
    V. K. Pyldmaa, Izv. Akad. Nauk Est. SSR, Seriya Fiz.-matem. i tekhn. nauk, Vol. 13, No. 3, p. 192 (1964).Google Scholar
  3. 3.
    J. V. Dave, Proc. Ind. Acad. Sci., Vol. 43, Section A, No. 6, p. 336 (1956).Google Scholar
  4. 4.
    V. K. Pyldmaa, Izv. Akad. Nauk SSSR, seriya fizika atmosfery i okeana, Vol. 1, No. 11, p. 1168 (1965).Google Scholar

Copyright information

© Consultants Bureau, New York 1970

Authors and Affiliations

  • V. K. Pyldmaa

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