On the abundance gradient in the galactic halo

Details On the abundance gradient in the galactic halo On the abundance gradient in the galactic halo

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...231l..19h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 231, July 1, 1979, p. L19-L23.

Astronomy and Astrophysics

Astrophysics

72

Abundance, Globular Clusters, Heavy Elements, Milky Way Galaxy, Radial Distribution, Astronomical Catalogs, Astronomical Spectroscopy, Halos, Hydrogen, Metals

Scientific paper

The problem of the radial gradient of heavy-element abundance in the galactic halo is investigated by considering all recent abundance measurements of globular clusters. A compilation of high-quality metallicity values for 78 clusters at all galactocentric distances supports the picture that the mean and maximum metallicities in the halo decrease continuously with increasing distance, in contrast to the statements of Searle and Zinn (1978).

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