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24 April 2024

» arxiv » astro-ph/0605083

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New Planerary Nebulae towards the Galactic bulge
P. Boumis ; S. Akras ; P. A. M. van Hoof ; G. C. Van de Steene ; J. Papamastorakis ; J. A. Lopez ;
Date:	3 May 2006
Abstract:	New Planetary Nebulae (PNe) were discovered through an [O III] 5007 A emission line survey in the Galactic bulge region with l>0 deg. We detected 240 objects, including 44 new PNe. Deep Halpha+[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.
Source:	arXiv, astro-ph/0605083
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