Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983afz....19..779s&link_type=abstract
(Astrofizika, vol. 19, Oct.-Dec. 1983, p. 779-790) Astrophysics (ISSN 0571-7132), vol. 19, no. 4, April 1984, p. 441-448. Transl
Astronomy and Astrophysics
Astrophysics
4
Astrometry, Celestial Mechanics, Hydrogen Clouds, Milky Way Galaxy, Stellar Motions, Galactic Rotation, Radial Velocity, Star Distribution
Scientific paper
An account is given of a comparison, for the first time, of high-velocity H I clouds (HVCs) with objects of the spherical subsystem of the Galaxy. The dependence of the radial velocities of the HVCs on galactic longitude is similar to Stromberg's asymmetry. The galactic rotational velocity and the velocity dispersion of the HVCs are the same as for the objects of the spherical subsystem (subdwarfs, RR Lyrae variables, globular clusters). Like the subdwarfs near them, the HVCs do not exhibit a concentration near the center of the Galaxy. There are elongated groups of stars, including Kapteyn's group, that are projected onto (or are in the neighborhood of) C II, the 'Magellanic Stream', and other complexes with the same radial velocities as these HVCs. The distances of the majority of the stars of these groups are on the order of 100 pc.
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