The infrared and radio spectrum of early type stars with mass loss. II - Tables of theoretical curves of growth for IR and radio excess and gaunt factors

Details The infrared and radio spectrum of early type stars with mass loss. II - Tables of theoretical curves of growth for IR and radio excess and gaunt factors The infrared and radio spectrum of early type stars with mass loss. II - Tables of theoretical curves of growth for IR and radio excess and gaunt factors

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26as...57..327w&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 57, Sept. 1984, p. 327-352.

Astronomy and Astrophysics

Astrophysics

23

Early Stars, Infrared Spectra, Radio Spectra, Stellar Mass Ejection, Stellar Spectra, Electron Scattering, Stellar Models, Stellar Winds

Scientific paper

The authors present an extensive grid of theoretical curves of growth for the IR and radio excess of early type stars with mass loss. The curve of growth for IR and radio excess is a relation between the measured flux normalized to the expected photospheric flux, and the wavelength, and has been introduced by Lamers and Waters (1984, Paper I). Comparison of observed curves of growth with theoretical ones yields information on the mass loss rate and shape of the velocity law. Also, the authors present an extensive grid of bound-free and bound-free + free-free gaunt factors for a large range of temperatures (8000 - 106K) for a gas consisting of H, He and CNO. Finally, the dependence of excess flux on model parameters is illustrated by means of a difference table.

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