Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997balta...6..358k&link_type=abstract
Baltic Astronomy, vol. 6, p. 358
Astronomy and Astrophysics
Astronomy
1
Interstellar Extinction, Star Distribution, Interstellar Matter, Open Clusters, Globular Clusters, Astronomical Models, Computer Programming, Milky Way Galaxy, Mathematical Models, Star Clusters
Scientific paper
Over the last 50 years, many models have been proposed to describe the behavior of interstellar extinction in different parts of the sky. In this paper various observational data are used to compare about half a dozen of the most common models. The data for field stars and for open and globular clusters are used to select the most adequate models at different distances and for different parts of the sky. Consequently, a synthetic model is proposed. The results of our work make it possible to calculate interstellar extinction in the Galaxy over a wide range of wavelengths for all directions and all distances. A computer program for calculating the interstellar extinction in accordance with recommendations given in this paper has been developed. Variations in the ratio of visual extinction to color excess for different directions in the sky are discussed, together with possible applications and future developments of the resulting model. (Abstract only).
Kil'pio Yu. E.
Malkov Oleg Yu.
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