Interstellar abundances in the Magellanic Clouds-GHRS observations of the SMC Star Sk 108

Details Interstellar abundances in the Magellanic Clouds-GHRS observations of the SMC Star Sk 108 Interstellar abundances in the Magellanic Clouds-GHRS observations of the SMC Star Sk 108

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..408..144l&link_type=abstract

The ultraviolet universe at low and high redshift. AIP Conference Proceedings, Volume 408, pp. 144-148 (1997).

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Magellanic Clouds And Other Irregular Galaxies, Atomic, Molecular, Chemical, And Grain Processes, Ultraviolet

Scientific paper

We present an analysis of HST GHRS echelle-B and G160M spectra of the O7 Ia+WN3 binary Sk 108 located in the Small Magellanic Cloud. We find that the relative gas-phase abundances (and inferred depletions) for Si II, Cr II, Mn II, Fe II, Ni II, and Zn II found for the SMC components along this line-of-sight are similar to those found for interstellar clouds in the Galactic halo. We discuss some implications of these results for understanding the abundances found for QSO absorption-line systems, and conclude that both nucleosynthetic and depletion effects contribute to the observed abundances.

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