Solar L-alpha line profile and interstellar-wind dynamics

Details Solar L-alpha line profile and interstellar-wind dynamics Solar L-alpha line profile and interstellar-wind dynamics

Jul 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978kosis..16..603b&link_type=abstract

Kosmicheskie Issledovaniia, vol. 16, July-Aug. 1978, p. 603-608. In Russian.

Physics

Hydrogen Atoms, Line Spectra, Lyman Alpha Radiation, Solar Spectra, Stellar Winds, Abundance, Density (Number/Volume), Particle Density (Concentration), Plasma Dynamics, Radiation Pressure

Scientific paper

An analytical theory is developed for the motion of interstellar hydrogen atoms in the solar L-alpha radiation field. The hydrogen distribution in the solar system is examined taking into account the deviation of the solar L-alpha line 'profile' from a flat curve (i.e., assuming a nonconstant ratio between the forces of solar radiation pressure and gravitational attraction). The effect of a parabolic L-alpha 'profile' on scattered radiation intensity is evaluated. It is shown that the errors associated with the deviation of the solar L-alpha line 'profile' from a flat curve should not exceed 5% in the calculation of scattered radiation intensity.

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