Space motions of galactic G- and K-type stars.
Abstract
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.
- Publication:
-
Monthly Notices of the Royal Astronomical Society
- Pub Date:
- April 1977
- DOI:
- 10.1093/mnras/179.1.81
- Bibcode:
- 1977MNRAS.179...81W
- Keywords:
-
- Astronomical Spectroscopy;
- G Stars;
- Giant Stars;
- K Stars;
- Stellar Motions;
- Stellar Spectra;
- Astronomical Catalogs;
- Galactic Rotation;
- Radial Velocity;
- Spectrum Analysis;
- Ubv Spectra;
- Astrophysics