NEW ABUNDANCES OF PLANETARY NEBULAE IN THE GALACTIC BULGE
A. V. Escudero, R. D. D. Costa, W.J. Maciel
Astronomy and Astrophysics 414, 211-221 (2004)
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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