High resolution spectroscopy over lambda lambda 8500-8750 Å for GAIA. I. Mapping the MKK classification system

Details High resolution spectroscopy over lambda lambda 8500-8750 Å for GAIA. I. Mapping the MKK classification system High resolution spectroscopy over lambda lambda 8500-8750 Å for GAIA. I. Mapping the MKK classification system

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26as..137..521m&link_type=abstract

Astronomy and Astrophysics Supplement, v.137, p.521-528

Astronomy and Astrophysics

Astrophysics

46

Atlases, Standards, Stars: Fundamental Parameters

Scientific paper

We present an Echelle+CCD high resolution spectroscopic atlas (0.25 Ä/pix dispersion, 0.43 Ä FWHM resolution and 20 000 resolving power) mapping the MKK classification system over the interval lambda lambda 8500-8750 Ä. The wavelength interval is remarkably free from telluric lines and it is centered on the near-IR triplet of Ca II, the head of hydrogen Paschen series and several strong metallic lines. The spectra of 131 stars of types between O4 and M8 and luminosity classes I through V are included in the atlas. Special care was put in maintaining the highest instrumental homogeneity over the whole set of data. The capability to derive accurate MKK spectral types from high resolution observations over the interval lambda lambda 8500-8750 Ä is discussed. The observations have been performed as part of an evaluation study of possible spectroscopic performances for the astrometric mission GAIA planned by ESA.
Tables 3 and 4 are 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/ Abstract.html
The spectra of the stars listed in Table~2 are also available in electronic form at the CDS or via the personal HomePage http://ulisse.pd.astro.it/Astro/Atlases/
Figures 3--28 are only available in electronic form at http://www.edpsciences.com

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