Interstellar magnesium abundances

Details Interstellar magnesium abundances Interstellar magnesium abundances

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...282..481m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 282, July 15, 1984, p. 481-484. Research supported by the Department of Edu

Astronomy and Astrophysics

Astrophysics

39

Abundance, Astronomical Spectroscopy, Interstellar Matter, Line Spectra, Magnesium, Interstellar Extinction, Microwave Spectra, Ultraviolet Spectra

Scientific paper

An improved evaluation of the Mg II 1240 A doublet oscillator strength is used in conjunction with recently published Copernicus observations to derive accurate Mg II column densities toward 74 stars. These imply an average of 40 percent of interstellar magnesium is in the gaseous phase. Magnesium depletion is examined as a function of various interstellar extinction and density parameters, and the results are briefly discussed in terms of current depletion theories.

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