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Does SEGUE/SDSS indicate a dual galactic halo?

Schonrich, Ralph; Asplund, Martin; Casagrande, Luca

Description

We re-examine recent claims of observational evidence for a dual Galactic halo in SEGUE/SDSS data, and trace them back to improper error treatment and neglect of selection effects. In particular, the detection of a vertical abundance gradient in the halo

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/70133
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/786/1/7

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