Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983azh....60..251b&link_type=abstract
(Astronomicheskii Zhurnal, vol. 60, Mar.-Apr. 1983, p. 251-256) Soviet Astronomy (ISSN 0038-5301), vol. 27, Mar.-Apr. 1983, p. 1
Astronomy and Astrophysics
Astronomy
Milky Way Galaxy, Solar System, Stellar Motions, Astronomical Catalogs, Dwarf Stars, G Stars, Galactic Nuclei, Giant Stars, K Stars, Star Distribution, Stellar Spectra, Velocity Distribution
Scientific paper
On the basis of the catalog of Wooley et al. of the stars within 25 pc from the sun and FK4 stars with distance r < 150 pc, a study of the motions of the nearby stars in the plane parallel to the galactic plane is made. It is shown that the G, K and M dwarfs take part in the Taurus and Ursa Majoris streams, whereas the G, K and M giants do not take part in these streams. A conclusion is made, with a significance greater than 99.5%, that the elliptical velocity distribution law is unfit for all groups of stars. The most characteristic feature of stellar motion in the solar neighbourhood consists in a greater energy of motion of stars moving towards the galactic centre compared with the stars moving away from it.
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