2002/02/06 by S. Schmeja, S. Kimeswenger
Physics and Astronomy · #astro-ph
published as IAU Symp. 209 (2003) 47 · 2 pages, 1 figure; Proceedings of IAU Symposium 209 "Planetary Nebulae: Their Evolution and Role in the Universe", in press
arxiv created 2002/02/06 · arxiv updated 2009/12/01
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.