Abundances of the planetary nebula Hu 1-2

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Ism: Abundances, Planetary Nebulae: Individual: Hu 1-2, Infrared: Ism, Ism: Lines And Bands

Scientific paper

The ISO and IUE spectra of the ``elliptical'' nebula Hu 1-2 are presented. These spectra are combined with new, high resolution spectra in the visual wavelength region to obtain a complete, extinction corrected, spectrum. The chemical composition of the nebula is then calculated and compared to previous determinations. The abundances determined are the lowest yet found in the analysis of ISO data. The evolutionary significance is discussed.
Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) and with the participation of ISAS and NASA.

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