Astrophysical determination of optical oscillator strengths for Ti II | Zendy

T. Ryabchikova | Zendy; G. Hill | Zendy; J. D. Landstreet | Zendy; N. Piskunov | Zendy; T. A. A. Sigut | Zendy

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Astrophysical determination of optical oscillator strengths for Ti II

Author(s) -

T. Ryabchikova,

G. Hill,

J. D. Landstreet,

N. Piskunov,

T. A. A. Sigut

Publication year - 1994

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/267.3.697

Subject(s) - physics , normalization (sociology) , absolute scale , oscillator strength , spectral line , stars , astrophysics , astronomical spectroscopy , atomic physics , computational physics , astronomy , sociology , anthropology

An internally consistent set of relative oscillator strengths for 109 spectral lines of Ti II in the range 3800-5500 A has been derived. These oscillator strengths have been obtained by combining available laboratory data and theoretical calculations with new astrophysical oscillator strengths determined from both published photographic equivalent width lists and spectral synthesis of a number of available Reticon spectra of several sharp-lined stars. The accuracy of our astrophysical oscillator strengths has been tested by determining astrophysical gf-values for a number of lines of Fe II by the same methods

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