CAOSP abstracts, Volume: 27, No.: 3, year: 1998
- Author(s): DIMITRIJEVIC, M.S.; TANKOSIC, D.
- Journal: Contributions of the Astronomical Observatory Skalnate Pleso,
vol. 27, no. 3, p. 335-337.
- Date: 04/1998
- Title: Stark broadening parameter regularities and interpolation and critical evaluation of data for CP star atmospheres research: Stark line shifts
- Keyword(s): LINE PROFILE, ATOMIC DATA
- Pages: 335 -- 337
Abstract:
In order to find out if regularities and systematic trends found to be
apparent among experimental Stark line shifts allow the accurate
interpolation of new data and critical evaluation of experimental results,
the exceptions to the established regularities are analysed on the basis
of critical reviews of experimental data, and reasons for such exceptions
are discussed. We found that such exceptions are mostly due to the situations
when: (i) the energy gap between atomic energy levels within a supermultiplet
is equal or comparable to the energy gap to the nearest perturbing levels;
(ii) the most important perturbing level is embedded between the energy levels
of the supermultiplet; (iii) the forbidden transitions have influence on
Stark line shifts.
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