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Accelerated fitting of Stellar spectra

Ting, Yuan; Conroy, Charlie; Rix, Hans-Walter

Description

Stellar spectra are often modeled and fitted by interpolating within a rectilinear grid of synthetic spectra to derive the stars' labels: stellar parameters and elemental abundances. However, the number of synthetic spectra needed for a rectilinear grid grows exponentially with the label space dimensions, precluding the simultaneous and self-consistent fitting of more than a few elemental abundances. Shortcuts such as fitting subsets of labels separately can introduce unknown systematics and do...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/152175
Source: The Astrophysical Journal
DOI: 10.3847/0004-637X/826/1/83
Access Rights: Open Access

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