The abundance of carbon in HU 2-1

Astronomy and Astrophysics – Astronomy

Scientific paper

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Abundance, Carbon, Planetary Nebulae, Ultraviolet Astronomy, Electron Energy, Iue, Oxygen, Ultraviolet Spectra

Scientific paper

A logarithmic carbon abundance of 8.61 + or - 0.3 is derived for the planetary nebula Hu 2-1 using data taken with the International Ultraviolet Explorer satellite. This value is close to the logarithmic carbon abundance of 8.67 + or - 0.1, found for the sun by other investigators. The carbon abundance of Hu 2-1 is compared to those of other planetary nebulae and to the predictions of stellar evolution calculations.

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