Planetary Nebulae in the Magellanic Clouds

Details Planetary Nebulae in the Magellanic Clouds Planetary Nebulae in the Magellanic Clouds

May 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000rmxac...9..227l&link_type=abstract

"Astrophysical Plasmas: Codes, Models, and Observations, Proceedings of the conference held in Mexico City, October 25-29, 1999,

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Scientific paper

We present optical and UV observations of PNe and derive their abundances and the implications for chemical evolution. We observe the HBB reaction and also an oxygen depletion via the ON reaction in the more massive stars, and an oxygen production (like carbon) during the 3rd dredge-up (the effect is efficient at lower metallicity). Oxygen cannot be used to derive the initial composition of the progenitor star, we have to use other elements like sulfur or argon.

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