New subgiant-star observations of the C-19 stream confirm its extremely low metallicity and velocity dispersion, and suggest an intrinsic magnesium spread consistent with a disrupted globular cluster.
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The Pristine survey. XXVI. Chemical abundances of subgiant stars of the extremelymetal-poor stream C-19
New subgiant-star observations of the C-19 stream confirm its extremely low metallicity and velocity dispersion, and suggest an intrinsic magnesium spread consistent with a disrupted globular cluster.