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arXiv · astro-ph/0310570

New abundances of planetary nebulae in the Galactic Bulge

A. V. Escudero·R. D. D. Costa·W. J. Maciel
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Abstract

New observations and derived chemical abundances are reported for a sample of 57 bulge planetary nebulae (PN). Together with our previous results, a total of over a hundred objects have been analyzed, which constitute one of the largest samples of bulge nebulae studied under homogeneous conditions, including equipment and reduction procedures. In general, our data show a good agreement with some recent results in the literature, in the sense that the average abundances of bulge PN are similar to those from disk objects, however showing a larger dispersion.

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A. V. Escudero, R. D. D. Costa, W. J. Maciel. 2003-10-20. New abundances of planetary nebulae in the Galactic Bulge. https://doi.org/10.1051/0004-6361%3A20031625

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