METAL-POOR STARS OBSERVED WITH THE MAGELLAN TELESCOPE. III. NEW EXTREMELY AND ULTRA METAL-POOR STARS FROM SDSS/SEGUE AND INSIGHTS ON THE FORMATION OF ULTRA METAL-POOR STARS

We report the discovery of one extremely metal-poor (EMP; [Fe/H] < -3) and one ultra metal-poor (UMP; [Fe/H] < -4) star selected from the Sloan Digital Sky Survey/Sloan Extension for Galactic Understanding and Exploration survey. These stars were identified as EMP candidates based on their med...

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Bibliographic Details
Main Authors: Placco, Vinicius M., Lee, Young Sun, Beers, Timothy C., Pena, Jose M., Chan, Conrad, Heger, Alexander, Frebel, Anna L., Jacobson, Heather
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: IOP Publishing 2015
Online Access:http://hdl.handle.net/1721.1/100039
https://orcid.org/0000-0001-7727-1640
https://orcid.org/0000-0002-2139-7145