Ultraviolet spectroscopy of planetary nebulae in the Magellanic Clouds

Details Ultraviolet spectroscopy of planetary nebulae in the Magellanic Clouds Ultraviolet spectroscopy of planetary nebulae in the Magellanic Clouds

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...253l..43m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 253, Feb. 1, 1982, p. L43-L47.

Astronomy and Astrophysics

Astrophysics

28

Abundance, Astronomical Spectroscopy, Carbon, Magellanic Clouds, Planetary Nebulae, Ultraviolet Spectra, Chemical Composition, Forbidden Transitions, Intergalactic Media, Interstellar Matter, Iue, Milky Way Galaxy, Planetary Evolution, Spectrum Analysis

Scientific paper

Ultraviolet spectra of the high excitation planetary nebulas LMC P40, SMC N2, and SMC N5 are presented in an investigation of their chemical composition in an effort to make reliable estimates of the carbon abundance in extragalactic planetary nebulas. The carbon abundance is found to be almost 40 times more abundant in the SMC planetaries than in the SMC interstellar medium, and is about 6 times more abundant in the LMC planetary than in the LMC interstellar medium. The net result of carbon synthesis and convective dredgeup in the progenitors of planetary nebulas as reflected in the nebular carbon abundance is roughly the same in the Galaxy, the LMC, and the SMC.

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