Dependence of the velocity ellipsoid for nearby stars upon metallicity and spectral type

Details Dependence of the velocity ellipsoid for nearby stars upon metallicity and spectral type Dependence of the velocity ellipsoid for nearby stars upon metallicity and spectral type

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9...44s&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 9, Jan. 1983, p. 44-47) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, Jan.-Feb. 19

Astronomy and Astrophysics

Astronomy

1

Abundance, Dwarf Stars, Metallicity, Stellar Rotation, Stellar Spectra, Velocity Distribution, Astronomical Coordinates, Axes Of Rotation, Chemical Composition, Ellipsoids, Galactic Evolution, Milky Way Galaxy, Stellar Evolution, Stellar Mass

Scientific paper

For nearby dwarf stars the ratios of the dispersions in the velocity components along the axes of a rectangular galactic coordinate system depend on spectral type and chemical composition (metal abundance). Relationships are established which could provide clues to such problems as whether the component populations of the Galaxy are relaxing to a steady state and how stars come to be formed with differing mass at different times.

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