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Title:
A database of high and medium-resolution stellar spectra
Authors:
Prugniel, Ph.; Soubiran, C.
Affiliation:
AA(CRAL-Observatoire de Lyon, CNRS UMR 142, 69561 Saint-Genis Laval, France), AB(Observatoire de Bordeaux, CNRS UMR 5804, BP 89, 33270 Floirac, France)
Publication:
Astronomy and Astrophysics, v.369, p.1048-1057 (2001) (A&A Homepage)
Publication Date:
04/2001
Origin:
A&A
A&A Keywords:
ATLASES, STARS: ABUNDANCES, STARS: ATMOSPHERES, STARS: FUNDAMENTAL PARAMETERS, GALAXY: STELLAR CONTENT
DOI:
10.1051/0004-6361:20010163
Bibliographic Code:
2001A&A...369.1048P

Abstract

We present a database of 908 spectra of 709 stars obtained with the ELODIE spectrograph at the Observatoire de Haute-Provence. 52 orders of the echelle spectra have been carefully fitted together to provide continuous, high-resolution spectra in the wavelength range lambda lambda = 410-680 nm. The archive provides a large coverage of the space of atmospheric parameters: T_eff from 3700 K to 13 600 K, log g from 0.03 to 5.86 and [Fe/H] from -2.8 to +0.7. At the nominal resolution, R=42 000, the mean signal-to-noise ratio is 150 per pixel. The spectra given at this resolution are normalized to their pseudo-continuum and are intended to serve for abundance studies, spectral classification and tests of stellar atmosphere models. A lower resolution version of the archive, at R=10 000, is calibrated in physical flux with a broad-band photometric precision of 2.5% and narrow-band precision of 0.5%. It is well suited to stellar population synthesis of galaxies and clusters, and to kinematical investigations of stellar systems. The archive is distributed in FITS format through the HYPERCAT and CDS databases. Based on observations made on the 193 cm telescope at the Haute-Provence Observatory, France. Table 1 is only available in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/369/1048

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