{"id":{"repo_id":"texas","oai_identifier":"oai:repositories.lib.utexas.edu:2152/ETD-UT-2010-12-2522"},"canonical_url":"https://search.dev.ndltd.org/etd/texas/oai:repositories.lib.utexas.edu:2152/ETD-UT-2010-12-2522","repository":{"repo_id":"texas","name":"University of Texas","base_url":"https://repositories.lib.utexas.edu/server/oai/request"},"display":{"title":"Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project : spectroscopic analyses of the first ~80 stars","abstract":"The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project aims to characterize the nature of the early universe through the study of metal-poor stars in the stellar halo of the galaxy. Once completed, this will be the largest set of abundances determined for metal-poor stars from high resolution spectra. In this paper, we present chemical abundances and trends of eleven elements for the first ~80 stars of the ~500 star study. These 80 stars serve as a pilot sample to test the automated stellar parameter and abundance determination pipeline newly developed for the CASH project called CASHCODE. Among the pilot sample, two stars with [Fe/H]<-3.5 were discovered and their abundance analysis is discussed.","abstract_html":"The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project aims to characterize the nature of the early universe through the study of metal-poor stars in the stellar halo of the galaxy. Once completed, this will be the largest set of abundances determined for metal-poor stars from high resolution spectra. In this paper, we present chemical abundances and trends of eleven elements for the first ~80 stars of the ~500 star study. These 80 stars serve as a pilot sample to test the automated stellar parameter and abundance determination pipeline newly developed for the CASH project called CASHCODE. Among the pilot sample, two stars with [Fe/H]<-3.5 were discovered and their abundance analysis is discussed.","abstract_has_math":false,"creators":["Hollek, Julie Ann"],"institution":"University of Texas at Austin","degree_name":"Master of Arts","degree_level":"Masters","degree_discipline":"Astronomy","degree_department":null,"school":null,"contributors":[],"advisors":["Sneden, Christopher"],"committee_chairs":[],"committee_members":["Dinerstein, Harriet"],"year":2010,"date_issued":"2010-12","date_published":"2010-12","updated_at":"2026-07-24T05:00:58Z","subjects":["Metal-poor stars","Abundances","Stellar halo"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2152/ETD-UT-2010-12-2522","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Sneden, Christopher"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Dinerstein, Harriet"]},{"key":"dc:creator","label":"Author","values":["Hollek, Julie Ann"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2011-02-11T19:40:56Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2011-02-11T19:40:56Z","2011-02-11T19:41:07Z"]},{"key":"dc:date.issued","label":"Date","values":["2010-12"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Astronomy"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Arts"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Texas at Austin"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Metal-poor stars","Abundances","Stellar halo"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/2152/ETD-UT-2010-12-2522"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["text"]},{"key":"dc:description.abstract","label":"Abstract","values":["The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project aims to characterize the nature of the early universe through the study of metal-poor stars in the stellar halo of the galaxy. Once completed, this will be the largest set of abundances determined for metal-poor stars from high resolution spectra. In this paper, we present chemical abundances and trends of eleven elements for the first ~80 stars of the ~500 star study. These 80 stars serve as a pilot sample to test the automated stellar parameter and abundance determination pipeline newly developed for the CASH project called CASHCODE. Among the pilot sample, two stars with [Fe/H]<-3.5 were discovered and their abundance analysis is discussed."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project : spectroscopic analyses of the first ~80 stars"]}]}],"canonical_facts":{"dc:contributor.advisor":["Sneden, Christopher"],"dc:contributor.committeemember":["Dinerstein, Harriet"],"dc:creator":["Hollek, Julie Ann"],"dc:date.accessioned":["2011-02-11T19:40:56Z"],"dc:date.available":["2011-02-11T19:40:56Z","2011-02-11T19:41:07Z"],"dc:date.issued":["2010-12"],"dc:description":["text"],"dc:description.abstract":["The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project aims to characterize the nature of the early universe through the study of metal-poor stars in the stellar halo of the galaxy. Once completed, this will be the largest set of abundances determined for metal-poor stars from high resolution spectra. In this paper, we present chemical abundances and trends of eleven elements for the first ~80 stars of the ~500 star study. These 80 stars serve as a pilot sample to test the automated stellar parameter and abundance determination pipeline newly developed for the CASH project called CASHCODE. Among the pilot sample, two stars with [Fe/H]<-3.5 were discovered and their abundance analysis is discussed."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["http://hdl.handle.net/2152/ETD-UT-2010-12-2522"],"dc:language.iso":["eng"],"dc:subject":["Metal-poor stars","Abundances","Stellar halo"],"dc:title":["Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) project : spectroscopic analyses of the first ~80 stars"],"thesis:degree_discipline":["Astronomy"],"thesis:degree_level":["Masters"],"thesis:degree_name":["Master of Arts"],"thesis:institution_name":["University of Texas at Austin"]},"updated_at":"2026-07-24T05:00:58Z"}