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IMF and [Na/Fe] abundance ratios from optical and NIR spectral features in early-type galaxies

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We present a joint analysis of the four most prominent sodium-sensitive features (Na D, Na i λ8190Å, Na i λ1.14 μm, and Na i λ2.21 μm), in the optical and near-infrared spectral ranges, of two nearby, massive (σ ∼ 300  km s−1), early-type galaxies (named XSG1 and XSG2). Our analysis relies on deep...

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Main Authors: La Barbera, Francesco (Author) , Pasquali, Anna (Author)
Format: Article (Journal)
Language:English
Published: 22 September 2016
In: Monthly notices of the Royal Astronomical Society
Year: 2017, Volume: 464, Issue: 3, Pages: 3597-3616
ISSN:1365-2966
DOI:10.1093/mnras/stw2407
Online Access:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1093/mnras/stw2407
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Author Notes:F. La Barbera, A. Vazdekis, I. Ferreras, A. Pasquali, C. Allende Prieto, B. Röck, D.S. Aguado, and R.F. Peletier
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IMF and [Na/Fe] abundance ratios from optical and NIR spectral features in early-type galaxies by La Barbera, Francesco (Author) , Pasquali, Anna (Author) ,


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