Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...256..551p&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 256, no. 2, p. 551-571.
Astronomy and Astrophysics
Astrophysics
225
Giant Stars, M Stars, Opacity, Stellar Atmospheres, Stellar Models, Astronomical Spectroscopy, Computerized Simulation, Radiation Pressure, Radiative Transfer, Supergiant Stars
Scientific paper
We present a new code for the calculation of static, spherically symmetric, opacity-sampling model atmospheres in local thermodynamic equilibrium for cool giants and supergiants of spectral type M. Up-to-date data for line opacities have been included, with new calculated line lists for the TiO, VO, and H2O molecules. This is the first time both sphericity and a realistic description (opacity sampling) of all opacity sources are used simultaneously for the calculation of cool stellar atmospheres and this results in a better agreement between calculated and observed fluxes and colors.
Brett John M.
Nordlund Åke
Plez Bertrand
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