STELIB: a library of stellar spectra at R~2000

TL;DR

STELIB is a comprehensive stellar spectral library with 249 spectra at intermediate resolution, covering a wide range of stellar types and metallicities, significantly improving previous resources for population synthesis.

Contribution

This paper introduces STELIB, a new homogeneous stellar spectral library with broad spectral and stellar type coverage at intermediate resolution.

Findings

Contains 249 stellar spectra in the visible range

Achieves 3% absolute photometric accuracy

Represents a substantial improvement over previous libraries

Abstract

We present STELIB, a new spectroscopic stellar library, available at http://webast.ast.obs-mip.fr/stelib . STELIB consists of an homogeneous library of 249 stellar spectra in the visible range (3200 to 9500A), with an intermediate spectral resolution (~3A) and sampling (1A). This library includes stars of various spectral types and luminosity classes, spanning a relatively wide range in metallicity. The spectral resolution, wavelength and spectral type coverage of this library represents a substantial improvement over previous libraries used in population synthesis models. The overall absolute photometric uncertainty is 3%.