Studying Stellar Populations at High Spectral Resolution

Astronomy and Astrophysics – Astronomy

Scientific paper

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Galaxies: Evolution, Galaxies: Stellar Content

Scientific paper

I describe very briefly the new libraries of empirical spectra of stars covering wide ranges of values of the atmospheric parameters T_{eff}, log g, [Fe/H], as well as spectral type, that have become available in the recent past, among them the HNGSL, MILES, UVES-POP, ELODIE, and the IndoUS libraries. These libraries are complementary in spectral resolution and wavelength coverage, and will prove extremely useful to describe spectral features expected in galaxy spectra from the NUV to the NIR. The fits to observed galaxy spectra using stellar population models are discussed.

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