Allende Prieto, C.; Koesterke, L.; Hubeny, I.; Bautista, M. A.; Barklem, P. S.; Nahar, S. N.
Referencia bibliográfica
Astronomy and Astrophysics, Volume 618, id.A25, 7 pp.
Fecha de publicación:
10
2018
Revista
Número de citas
56
Número de citas referidas
52
Descripción
Context. Models of stellar spectra are necessary for interpreting light
from individual stars, planets, integrated stellar populations, nebulae,
and the interstellar medium. Aims: We provide a comprehensive and
homogeneous collection of synthetic spectra for a wide range of
atmospheric parameters and chemical compositions. Methods: We
compile atomic and molecular data from the literature. We adopt the
largest and most recent set of ATLAS9 model atmospheres, and use the
radiative code ASSɛT. Results: The resulting collection
of spectra is made publicly available at medium and high-resolution (R
≡ λ/δλ = 10 000, 100 000 and 300 000) spectral
grids, which include variations in effective temperature between 3500 K
and 30 000 K, surface gravity (0 ≤ log g ≤ 5), and metallicity (-5
≤ [Fe/H] ≤ +0:5), spanning the wavelength interval 120-6500 nm. A
second set of denser grids with additional dimensions, [α/Fe] and
micro-turbulence, are also provided (covering 200-2500 nm). We compare
models with observations for a few representative cases.
Data files are only available at the CDS via anonymous ftp to http://cdsarc.u-strasbg.fr
(ftp://130.79.128.5) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/618/A25
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