The depletion of interstellar gaseous iron

Details The depletion of interstellar gaseous iron The depletion of interstellar gaseous iron

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...229..136s&link_type=abstract

Astrophysical Journal, Part 1, vol. 229, Apr. 1, 1979, p. 136-146.

Astronomy and Astrophysics

Astrophysics

116

Astronomical Spectroscopy, Interstellar Gas, Iron, Metallic Stars, Abundance, Chemical Clouds, H I Regions, Supernova Remnants

Scientific paper

The Copernicus UV telescope was used to measure equivalent widths of interstellar Fe II resonance lines toward 55 early-type stars; the measurements permit the determination of Fe II column densities. The depletion of interstellar gaseous iron was obtained by combining these measurements with the results from a previous atomic and molecular hydrogen survey program; the derived depletions refer mostly to matter in H I regions. As an example, the nearly normal gaseous iron abundance in the distant high-latitude intermediate-velocity cloud toward HD 93521 is consistent with the idea that these clouds are produced by galactic supernova explosions.

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