DENIS Survey Data Probing Different Types of PNe
S. Schmeja, S. Kimeswenger
Abstract
We present near-infrared photometry of a large sample of planetary nebulae (PNe) and show that the IJK colours are a good tool to distinguish different classes of PNe, like nebulae around symbiotic Miras or IR-[WC] PNe from genuine PNe.
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