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The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy

  • Koch A
  • McWilliam A
  • Grebel E
  • et al.
The Astrophysical Journal (2008) 688(1) L13-L16
DOI: 10.1086/595001
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Abstract

We report on the abundance analysis of two red giants in the faint Hercules dwarf spheroidal (dSph) galaxy. These stars show a remarkable deficiency in the neutron-capture elements, while the hydrostatic alpha-elements (O, Mg) are strongly enhanced. Our data indicate [Ba/Fe] and [Mg/Fe] abundance ratios of

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APA

Koch, A., McWilliam, A., Grebel, E. K., Zucker, D. B., & Belokurov, V. (2008). The Highly Unusual Chemical Composition of the Hercules Dwarf Spheroidal Galaxy. The Astrophysical Journal, 688(1), L13–L16. https://doi.org/10.1086/595001

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