Limb darkening coefficients from line blanketed model atmospheres

Details Limb darkening coefficients from line blanketed model atmospheres Limb darkening coefficients from line blanketed model atmospheres

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...35..253m&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 35, Feb. 1979, p. 253-255. Research supported by the Oesterreichischer Fonds

Astronomy and Astrophysics

Astronomy

2

Eclipsing Binary Stars, Limb Darkening, Line Spectra, Stellar Atmospheres, Stellar Models, Abundance, Metals, Stellar Temperature, Tables (Data), Ultraviolet Astronomy

Scientific paper

Limb-darkening coefficients are calculated for line-blanketed model atmospheres with effective temperatures ranging from 9000 to 16,000 K and log g equal to 2 or 4. The models include the effects of blanketing by some 900,000 spectral lines; one model is representative of an Ap star with line broadening by a 1-kG magnetic field. The models with log g 4 assume a microturbulence of 2 km/s, while those with log g 2 assume 8 or 16 km/s, in order to account for the increase in microturbulence in the atmospheres of giant stars. Results are presented for 250-A spectral intervals centered at wavelengths of 1625 to 6875 A and are compared with previous calculations.

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