{"paper":{"title":"Very Metal-poor Stars in the Outer Galactic Bulge Found by the Apogee Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Ana E. Garc\\'ia P\\'erez, Annie C. Robin, Audrey Simmonsand, Carlos Allende Prieto, Daniel J. Eisenstein, Daniel Oravetz, David Nidever, Dmitry Bizyaev, Donald P. Schneider, Elena Malanushenko, Fred R. Hearty, Gail Zasowski, Garrett Ebelke, Jennifer A. Johnson, John C. Wilson, Jon Holtzman, Kaike Pan, Katia Cunha, L\\'eo Girardi, Mathias Schultheis, Matthew Shetrone, Michael F. Skrutskie, Peter M. Frinchaboy, Ricardo P. Schiavon, Robert W. O'Connel, Steven R. Majewski, Szabolcs Meszaros, Timothy C. Beers, Verne V. Smith, Viktor Malanushenko","submitted_at":"2013-01-07T23:05:38Z","abstract_excerpt":"Despite its importance for understanding the nature of early stellar generations and for constraining Galactic bulge formation models, at present little is known about the metal-poor stellar content of the central Milky Way. This is a consequence of the great distances involved and intervening dust obscuration, which challenge optical studies. However, the Apache Point Observatory Galactic Evolution Experiment (APOGEE), a wide-area, multifiber, high-resolution spectroscopic survey within Sloan Digital Sky Survey III (SDSS-III), is exploring the chemistry of all Galactic stellar populations at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1367","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}