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arxiv: 1305.4211 · v1 · pith:FOG6EVB2new · submitted 2013-05-18 · 🌌 astro-ph.GA

Weak and Extended H2 Emission in NGC 6369

classification 🌌 astro-ph.GA
keywords shellbipolaremissionimagesinnermid-iropticalspectra
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NGC 6369 is a double-shell PN with a filamentary outer shell or envelope and faint bipolar extensions. We have used ground- and space-based narrowband optical and near-IR images, broadband mid-IR images, optical long-slit echelle spectra, and mid-IR spectra to investigate its physical structure. The observations confirm a bipolar structure for the inner shell of NGC 6369, but they also reveal evidence for H2 and strong polycyclic aromatic hydrocarbons (PAHs) emission from a photo-dissociation region (PDR) with molecular inclusions located outside the bright inner shell.

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