Figure 4 from A Unique Star in the Outer Halo of the Milky Way

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A Unique Star in the Outer Halo of the Milky Way

Authors: David K. Lai, Constance M. Rockosi, Michael Bolte, Jennifer A. Johnson, Timothy C. Beers, Young Sun Lee, Carlos Allende Prieto, and Brian Yanny

LAI et al. 2009 The Astrophysical Journal 697 L63.

Provider: AAS Journals

Caption: Figure 4.

In terms of [Mg/Ca], SDSS J234723.64+010833.4 is unique. The symbols are as in the previous figure. It is clear from this figure that most stars that exhibit anomalous α-abundance ratios have either a normal or high [Mg/Ca], not the very low value exhibited by SDSS J234723.64+010833.4.

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