CAOSP abstracts, Volume: 31, No.: 2, year: 2001
- Author(s): MIKULASEK, Z.; PAPOUSEK, J.; TREMKO, J.; ZIZNOVSKY, J.
- Journal: Contributions of the Astronomical Observatory Skalnate Pleso, vol. 31, no. 2, p. 90-118.
- Date: 10/2001
- Title: Atmospheric extinction at the Brno and Skalnate Pleso Observatories. II. Interpretation of observations. Models of extinction. Long-term and seasonal variations. Prediction.
- Keyword(s): EXTINCTION: ATMOSPHERIC
- Pages: 90 -- 118
Abstract:
The behaviour of atmospheric extinction at the Skalnate Pleso Observatory
can be satisfactorily described by a standard two-component model consisting
of a more or less constant component given namely by Rayleigh scattering and
a variable one caused by the scattering of light on dust particles. In order to
explain the properties of Brno extinction we introduce an additional,
variable "particular component" acting mainly in the U and B colours.
Long-term and seasonal variations of both variable components of extinction
in the B colour have been thoroughly investigated. The proposed
extinction models are confronted with observations in all colours
of the UBV system. Trends of the UBVRI extinctions are discussed.
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