Mid-Infrared Observations of Planetary Nebulae detected in the GLIMPSE 3D Survey

Details Mid-Infrared Observations of Planetary Nebulae detected in the GLIMPSE 3D Survey Mid-Infrared Observations of Planetary Nebulae detected in the GLIMPSE 3D Survey

2010-12-13

arxiv.org/abs/1012.2904v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

35 pages, 28 figures, Accepted for publication in Revista Mexicana de Astronomia y Astrofisica (RevMexAA). 61 pages in arXiv

Scientific paper

We present mapping, profiles and photometry for 24 planetary nebulae (PNe) detected in the GLIMPSE 3D mid-infrared (MIR) survey of the Galactic plane. The PNe show many of the properties observed in previous studies of these sources, including evidence for longer wave emission from outside of the ionised zones, a likely consequence of emission from polycyclic aromatic hydrocarbons (PAHs) within the nebular photo-dissociation regimes (PDRs). We also note variations in 5.8/4.5 and 8.0/4.5 microns flux ratios with distance from the nuclei; present evidence for enhanced MIR emission in the halos of the sources; and note evidence for variations in colour with nebular evolution.

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