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The GALAH survey: a catalogue of carbon-enhanced stars and CEMP candidates

Cotar, K.; Zwitter, T.; Kos, J.; Munari, U.; Martell, Sarah; Asplund, Martin; Bland-Hawthorn, Joss; Buder, Sven; De Silva, Gayandhi; Freeman, Kenneth; Sharma, Sanjib; Anguiano, Borja; Nordlander, Thomas

Description

Swan bands - characteristic molecular absorption features of the C-2 molecule - are a spectroscopic signature of carbon-enhanced stars. They can also be used to identify carbonenhanced metal-poor (CEMP) stars. The GALAH (GALactic Archaeology with Hermes) is a magnitude-limited survey of stars producing high-resolution, high-signal-to-noise spectra. We used 627 708 GALAH spectra to search for carbon-enhanced stars with a supervised and unsupervised classification algorithm, relying on the...[Show more]

CollectionsANU Research Publications
Date published: 2018-11-22
Type: Journal article
URI: http://hdl.handle.net/1885/232497
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/sty3155
Access Rights: Open Access

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