Physics
Scientific paper
Sep 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985soph...99..101h&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 99, Sept. 1985, p. 101-109.
Physics
3
Resonance Scattering, Solar Corona, Solar X-Rays, X Ray Scattering, Line Of Sight, Optical Thickness, Radiative Transfer, Stellar Models
Scientific paper
In the solar corona the opacities of some of the prominent X-ray emission lines are on the order of tau of about I over typical coronal path lengths. A particular solution of the radiative transfer problem involving an extended, spherically symmetric coronal shell radiating isotropic, homogeneous emission in which single-scattering also takes place is presented and discussed. Within the context of this simplified model, it is found that scattered radiation is an important contribution to the total emergent resonance line flux and that for the He-like family of resonance (r), intercombination (i), and forbidden (f) lines, the ratio G = (f + i)/r would decrease as a function of optical depth for disk-center emission in an extended spherically symmetric corona.
Claflin Scott E.
Haisch Bernard M.
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