Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975s%26w....14...79g&link_type=abstract
Sterne und Weltraum, vol. 14, Mar. 1975, p. 79-83. In German.
Astronomy and Astrophysics
Astronomy
Light Curve, Stellar Evolution, Stellar Luminosity, Stellar Motions, Ubv Spectra, Astronomical Catalogs, Binary Stars, Extrasolar Planets, Hertzsprung-Russell Diagram, Milky Way Galaxy, Radial Velocity, Variable Stars
Scientific paper
Observations of stars within approximately 20 parsecs are discussed. Certain connections with the Hertzsprung-Russell spectrum-brightness diagram are considered. The 'flare stars' found in conjunction with dwarfs are briefly described, the relationship between age and speed of stars is explained, and the luminosity functions of Luyten and Jahreiss-Wielen are presented.
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