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Simpson, Jeffrey D

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Add  A Broad perspective on multiple abundance populations in the globular cluster NGC 1851
Authors: Simpson, Jeffrey D | Martell, Sarah L | Navin, Colin A
Date: 2017
Subject Keyword: globular clusters | individual | NGC 1851
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1207287
Description: We present an analysis of the multiple stellar populations of the globular cluster NGC 1851. We used lower resolution spectra of giant stars to measure CN, CH, and calcium H & K spectral indices, and ... More
Reviewed: Reviewed
Add  The GALAH survey : relative throughputs of the 2dF fibre positioner and the HERMES spectrograph from stellar targets
Authors: Simpson, Jeffrey D | De Silva, G. M | Anguiano, Borja | Nataf, David M | Reid, Warren | Wittenmyer, Robert A | Bland-Hawthorn, J | Freeman, K. C | Martell, S. L | Schlesinger, Katharine J | Sharma, Sanjib | Zucker, D. B | Zwitter, T | Kos, J
Date: 2016
Subject Keyword: instrumentation: spectrographs | techniques: spectroscopic
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1199915
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 ... More
Reviewed: Reviewed
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