THE 300 km s[superscript -1] STELLAR STREAM NEAR SEGUE 1: INSIGHTS FROM HIGH-RESOLUTION SPECTROSCOPY OF ITS BRIGHTEST STAR

We present a chemical abundance analysis of 300S-1, the brightest likely member star of the 300 km s[superscript -1] stream near the faint satellite galaxy Segue 1. From a high-resolution Magellan/MIKE spectrum, we determine a metallicity of [Fe/H] = -1.46 ± 0.05 ± 0.23 (random and systematic uncert...

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Bibliographic Details
Main Authors: Lunnan, Ragnhild (Author), Casey, Andrew R. (Contributor), Norris, John E. (Author), Wyse, Rosemary F. G. (Author), Gilmore, Gerard (Author), Frebel, Anna L. (Contributor)
Other Authors: Massachusetts Institute of Technology. Department of Physics (Contributor), MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: IOP Publishing, 2015-02-13T19:58:36Z.
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