Armchair cartography - A map of the Galactic halo based on observations of local, metal-poor stars

Details Armchair cartography - A map of the Galactic halo based on observations of local, metal-poor stars Armchair cartography - A map of the Galactic halo based on observations of local, metal-poor stars

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.242...10s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 242, Jan. 1, 1990, p. 10-24.

Astronomy and Astrophysics

Astronomy

84

Galactic Evolution, Galactic Structure, Stellar Motions, Stellar Orbits, Astronomical Models, Halos, Solar Neighborhood, Stellar Systems, Velocity Distribution

Scientific paper

The velocity distribution of metal-poor halo stars in the solar neighborhood is studied to extract data on the global spatial and kinematic properties of the Galactic stellar halo. A global model of the solar neighborhood stars is constructed from observed positions and three-dimensional velocity of local, metal-poor halo stars in terms of a discrete sum of orbits. The characteristics of the reconstructed halo are examined and used to study the evolution of the halo subsystems.

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