SEGUE 1: AN UNEVOLVED FOSSIL GALAXY FROM THE EARLY UNIVERSE

We present Magellan/MIKE and Keck/HIRES high-resolution spectra of six red giant stars in the dwarf galaxy Segue 1. Including one additional Segue 1 star observed by Norris et al., high-resolution spectra have now been obtained for every red giant in Segue 1. Remarkably, three of these seven stars h...

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Bibliographic Details
Main Authors: Simon, Joshua D., Kirby, Evan N., Frebel, Anna L.
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: IOP Publishing 2015
Online Access:http://hdl.handle.net/1721.1/94556
https://orcid.org/0000-0002-2139-7145