Kinematics of metal-poor stars in the galaxy

Details Kinematics of metal-poor stars in the galaxy Kinematics of metal-poor stars in the galaxy

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apjs...96..175b&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 96, no. 1, p. 175-221

Astronomy and Astrophysics

Astrophysics

148

Abundance, Astronomical Models, Kinematics, Metallicity, Milky Way Galaxy, Radial Velocity, Star Distribution, Stellar Spectrophotometry, Mass Spectroscopy, Maximum Likelihood Estimates

Scientific paper

We discuss the kinematic properties of a sample of 1936 Galactic stars, selected without kinematic bias, and with abundances (Fe/H) is less than or equal to -0.6. The stars selected for this study all have measured radial velocities, and the majority have abundances determined from spectroscopic or narrow-/intermediate-band photometric techniques. In contrast to previous examinations of the kinematics of the metal-poor stars in the Galaxy, our sample contains large numbers of stars that are located at distances in excess of 1 kpc from the Galactic plane. Thus, a much clearer picture of the nature of the metal-deficient populations in the Galaxy can now be drawn.

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