Diagnosis of extended atmospheres - Physical and geometrical parameters of the line-formation region

Details Diagnosis of extended atmospheres - Physical and geometrical parameters of the line-formation region Diagnosis of extended atmospheres - Physical and geometrical parameters of the line-formation region

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..417c&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, April 1989, p. 417-430.

Astronomy and Astrophysics

Astronomy

19

Emission Spectra, Line Spectra, Normal Density Functions, Stellar Atmospheres, Absorption Spectra, Atmospheric Models, Stellar Envelopes

Scientific paper

A method that relates parameters of the observed Gaussian absorption profile formed in an extended atmosphere with local parameters such as excitation temperature, atom columns, and distance from the central star to the line-forming region is presented. It also allows a diagnosis of the extended atmosphere to be made through line-intensity variations, profile of the saturated lines, or variations in the extent of the emission wings.

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