Absorption and emission by hydrogen at low electron temperatures

Details Absorption and emission by hydrogen at low electron temperatures Absorption and emission by hydrogen at low electron temperatures

Dec 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975mnras.173..513s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 173, Dec. 1975, p. 513-521. Research supported by the Science Research C

Astronomy and Astrophysics

Astrophysics

1

Absorptivity, Astrophysics, Electron Energy, Hydrogen Ions, Ionized Gases, Electromagnetic Absorption, Quantum Mechanics, Tables (Data)

Scientific paper

The absorption and emission coefficients of ionized hydrogen are computed by exact evaluation of a known classical expression. The result is compared with quantum mechanical calculations for temperatures and frequencies of astrophysical interest, and the agreement is found to be very good. Several analytical approximation formulae suitable for different physical conditions are presented. A table of a function of one variable, from which the absorption and emission coefficients can be computed, is provided in a form suitable for interpolation.

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