Space motions of galactic G- and K-type stars

Details Space motions of galactic G- and K-type stars Space motions of galactic G- and K-type stars

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.179...81w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 179, Apr. 1977, p. 81-87.

Astronomy and Astrophysics

Astronomy

16

Astronomical Spectroscopy, G Stars, Giant Stars, K Stars, Stellar Motions, Stellar Spectra, Astronomical Catalogs, Galactic Rotation, Radial Velocity, Spectrum Analysis, Ubv Spectra

Scientific paper

Spectra of 912 G- and K-type stars in six galactic directions have been secured. The relevant space motions of the stars, subdivided into distance groups, have been derived; these show no significant departures from the mean motion of nearby stars. The velocity dispersions, in general, indicate that these (mainly giant) stars are moderately old. The dispersion in u is lower than that for nearby stars, and the significance of this result is discussed.

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