Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26as..100..593d&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 100, no. 3, p. 593, 594.
Astronomy and Astrophysics
Astrophysics
2
Abundance, Palladium, Spectral Bands, Stellar Atmospheres, Stellar Spectra, Emission Spectra, Particle Interactions, Spectral Line Width, Stark Effect
Scientific paper
A semiclassical approach is used to calculate electron-, proton-, and ionized-helium-impact line widths and shifts for three neutral palladium multiplets, observed in stellar and solar spectra. Results are shown for a perturber density of 10 exp 17/cu cm and temperatures from 3000 to 100,000 K. An estimate is provided for the maximum perturber density for which the line may be treated as isolated, when it is divided by 2W.
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