Effect of uncertainty in the state of ionization gas on the cooling function

Details Effect of uncertainty in the state of ionization gas on the cooling function Effect of uncertainty in the state of ionization gas on the cooling function

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993azh....70..492b&link_type=abstract

Astronomicheskij Zhurnal (ISSN 0004-6299), vol. 70, no. 3, p. 492-496.

Other

Chemical Elements, Cooling, Cosmic Plasma, Ion Density (Concentration), Ionized Gases, Plasma Cooling, Ion Recombination, Photoionization, Temperature Dependence

Scientific paper

The difference in the cooling rate of the ions of a single chemical element is studied, with the chemical elements O, Si, and Fe used as examples. This difference does not exceed 0.5 on the logarithmic scale within the temperature range where the stationary ion concentration is not too small (not less than 0.001). This indicates stability of the total cooling function in relation to large (by a factor of tens) errors in the determination of the ionization state. The exceptions are H- and H-like ions, whose cooling functions can differ from those of other isoelectron sequences (from (Li) to (C)) by several orders of magnitude.

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