The chemical inhomogeneity of the Sculptor dwarf spheroidal galaxy

Details The chemical inhomogeneity of the Sculptor dwarf spheroidal galaxy The chemical inhomogeneity of the Sculptor dwarf spheroidal galaxy

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...271..113s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 271, Aug. 1, 1983, p. 113-122.

Astronomy and Astrophysics

Astrophysics

20

Cosmochemistry, Dwarf Galaxies, Red Giant Stars, Stellar Spectrophotometry, Calcium, Cyanogen, Globular Clusters, H Lines, K Lines

Scientific paper

Panoramic photometry of red giants in the Sculptor dwarf spheroidal galaxy is reported. By employing a narrow-band filter system designed to measure the absorption at the λ3883 CN band, and the Ca II H and K lines, Sculptor is found to be inhomogeneous with respect to both cyanogen and calcium. Furthermore, the Ca and CN enhancements are correlated, suggesting similarities between the enrichment process in Sculptor and the globular cluster ω Cen and M22.

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