A solar abundance of nickel independent of line broadening parameters

Details A solar abundance of nickel independent of line broadening parameters A solar abundance of nickel independent of line broadening parameters

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....87..242b&link_type=abstract

Astronomy and Astrophysics, vol. 87, no. 1-2, July 1980, p. 242-244. Research supported by the Fonds de la Recherche Fondamenta

Astronomy and Astrophysics

Astrophysics

6

Abundance, Nickel, Solar Spectra, Spectral Line Width, Chondrites, Line Spectra, Titanium Isotopes

Scientific paper

The solar abundance of nickel is determined on the basis of two recent sets of accurate f values independent of line broadening parameters. Solar equivalent widths of 12 very weak neutral nickel lines between 3946.200 and 7062.978 A for which accurate oscillator strengths were available were measured on spectra of the center of the solar disk, and solar profiles were computed by the direct integration of profiles using two different empirical solar models in the LTE hypothesis. A photospheric nickel abundance of 6.22 plus or minus 0.13 is obtained, in reasonable agreement with coronal values and in excellent agreement with the abundance of Ni in chondritic meteorites.

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