Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...249..277b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 249, no. 1, Sept. 1991, p. 277-283. Research supported by SERC and Association
Astronomy and Astrophysics
Astrophysics
29
Nonuniform Plasmas, Plasma Density, Plasma Diagnostics, Plasma Temperature, Solar Atmosphere, X Ray Spectroscopy, Density Distribution, Inhomogeneity, Optical Thickness, Pressure Distribution
Scientific paper
The formulation of the problem of inferring density structure in inhomogeneous nonisothermal plasmas is generalized here to cases where both the density n and temperature T are inhomogeneous. It is shown how the concepts of emission measure differential in T and n can be extended to arbitrary plasmas. It is demonstrated how in the special degenerate case where surfaces of constant T and constant n coincide it is possible to utilize jointly data on temperature and density-sensitive line ratios to draw conclusions concerning the plasma pressure distribution.
Almleaky Y. M.
Brown John C.
Dwivedi Bhola N.
Sweet P. A.
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