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New Planetary Nebulae towards the Galactic bulge

Published online by Cambridge University Press:  15 December 2006

P. Boumis
Affiliation:
Institute of Astronomy & Astrophysics, National Observatory of Athens, I. Metaxa & V. Pavlou, GR-152 36 P. Penteli, Athens, Greece
S. Akras
Affiliation:
Institute of Astronomy & Astrophysics, National Observatory of Athens, I. Metaxa & V. Pavlou, GR-152 36 P. Penteli, Athens, Greece
P. A. M. van Hoof
Affiliation:
Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
G. C. Van de Steene
Affiliation:
Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
J. Papamastorakis
Affiliation:
Department of Physics, University of Crete, GR-710 03 Heraklion, Crete, Greece
J. A. López
Affiliation:
Instituto de Astronomía, UNAM, Apdo. Postal 877, Ensenada, BC 22800, Mexico
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Abstract

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New Planetary Nebulae (PNe) were discovered through an [O III] 5007 Å emission line survey in the Galactic bulge region with $l >$ 0$^{\circ}$. We detected 240 objects, including 44 new PNe. Deep H$\alpha +$[N II] CCD images as well as low resolution spectra were obtained for the new PNe in order to study them in detail. Preliminary photo–ionization models of the new PNe with Cloudy resulted in first estimates of the physical parameters and abundances. They are compared to the abundances of Galactic PNe.

Type
Contributed Papers
Copyright
© 2006 International Astronomical Union
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