New abundances of planetary nebulae in the Galactic Bulge

Details New abundances of planetary nebulae in the Galactic Bulge New abundances of planetary nebulae in the Galactic Bulge

2003-10-20

arxiv.org/abs/astro-ph/0310570v1

Astron.Astrophys.414:211-221,2004

Astronomy and Astrophysics

Astrophysics

12 pages, 9 figures

Scientific paper

10.1051/0004-6361:20031625

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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