Electron density in two H II regions, DR 21 and W3, from Stark-broadened radio recombination lines

Details Electron density in two H II regions, DR 21 and W3, from Stark-broadened radio recombination lines Electron density in two H II regions, DR 21 and W3, from Stark-broadened radio recombination lines

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11...17s&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Jan. 1985, p. 17-26) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Jan.-Feb.

Astronomy and Astrophysics

Astronomy

1

Electron Density (Concentration), H Ii Regions, Orion Nebula, Planetary Nebulae, Stark Effect, Astronomical Models, Quantum Numbers, Radio Spectra

Scientific paper

21 recombination line profiles (56 ≤ n ≤ 156, Δn ≥ 1) were measured for the H II regions DR21 and W3. Stark broadening of the high n line profiles was extracted. Observed properties of the profiles were explained by two-component models with essentially different densities of the components. The electron densities of compact features of DR21 and shell-like structures of W3A and W3B were estimated.

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