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The stellar content of the Hamburg/ESO survey: VI. Metallicity distribution of main-sequence turnoff stars in the Galactic halo

Li, H N; Christlieb, N; Schorck, T; Norris, John; Bessell, Michael; Yong, David; Beers, Timothy C; Lee, Young Sun; Frebel, Anna; Zhao, G


We determine the metallicity distribution function (MDF) of the Galactic halo based on metal-poor main-sequence turnoff-stars (MSTO) which were selected from the Hamburg/ESO objective-prism survey (HES) database. Corresponding follow-up moderate-resolution observations (R∼2000) of 682 stars (among which 617 were accepted program stars) were carried out with the 2.3 m telescope at the Siding Spring Observatory (SSO). Corrections for the survey volume covered by the sample stars were...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201014797


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