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The GALAH survey: Relative throughputs of the 2dF fibre positioner and the HERMES spectrograph from stellar targets

Simpson, Jeffrey D.; De Silva, Gayandhi; Bland-Hawthorn, Jonathan; Freeman, Kenneth; Martell, Sarah; Schlesinger, Katharine; Sharma, S; Zucker, Daniel; Zwitter, T; Kos, J.; Anguiano, B; Nataf, David; Reid, W; Wittenmyer, Robert

Description

We present an analysis of the relative throughputs of the 3.9-m Anglo-Australian Telescope’s 2dF/HERMES (High Efficiency and Resolution Multi-Element Spectrograph) system, based upon spectra acquired during the first two years of the Galactic Archaeology with HERMES survey. Averaged spectral fluxes of stars were compared to their photometry to determine the relative throughputs of fibres for a range of fibre position and atmospheric conditions.We find that overall the throughputs of the 771...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152545
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stw746
Access Rights: Open Access

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