Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..696k&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, July-Aug. 1987, p. 696-707. In Russian.
Astronomy and Astrophysics
Astronomy
3
Density Distribution, Hertzsprung-Russell Diagram, Spatial Distribution, Star Distribution, Stellar Evolution, Astronomical Catalogs, Spectrum Analysis, Stellar Luminosity
Scientific paper
Space densities and parameters of z-distribution for ten stellar groups in the Hertzsprung-Russell diagram (A - KIII, A - GIV, A - GV) were determined. Data from the Abastumani two-dimensional spectral classification catalogue, and a statistical procedure of data processing, allowing to take into account uncertainties of observational data as well as the catalogue selection effect, were used. The study of the space distributions allowed to carry out an independent estimation of the luminosity dispersion for different sequences in the Hertzsprung-Russell diagram.
Bartaia R. A.
Dluzhnevskaia O. B.
Kharadze E. K.
Pavlovskaia E. D.
Piskunov Anatoly E.
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