Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...76..469f&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 76, no. 3, Dec. 1988, p. 469-476. Research supported by SNSF
Astronomy and Astrophysics
Astrophysics
9
Astronomical Models, Astronomical Photometry, Galactic Structure, Dwarf Stars, Histograms, Space Density, Stellar Luminosity
Scientific paper
Early Basle RGU-three-colour photometric observations in the directions to SA 57 (Fenkart, 1967) and to SA 141 (Fenkart, 1969) have been re-reduced with the purpose of providing space density gradients to be confronted with the gradients predicted for these crucial (polar) directions by different representative models, using the same comparison method which has been systematically and homogeneously applied to four previous investigations (1987, 1988). Again the (Gilmore-Wyse four-component) model which includes a thick disk population component turns out to be the best-fitting model.
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