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The GALAH Survey: Classification and Diagnostics with t-SNE Reduction of Spectral Information

Traven, Gregor; Matijevič, Gal; Zwitter, T; Zerjal, M.; Kos, J.; Asplund, Martin; Bland-Hawthorn, J.; Casey , A R; De Silva, Gayandhi; Freeman, Kenneth; lin, jane; Martell, Sarah; Schlesinger, Katharine; Sharma, Sanjib; Simpson, Jeffrey D.; Da Costa, Gary; Duong, Ly; Nataf, David


Galah is an ongoing high-resolution spectroscopic survey with the goal of disentangling the formation history of the Milky Way using the fossil remnants of disrupted star formation sites that are now dispersed around the Galaxy. It is targeting a randomly selected magnitude-limited (V ≤ 14) sample of stars, with the goal of observing one million objects. To date, 300,000 spectra have been obtained. Not all of them are correctly processed by parameter estimation pipelines, and we need to know...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Astrophysical Journal Supplement Series
DOI: 10.3847/1538-4365/228/2/24


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