Spectrosocopy of NGC 7009
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https://b2find.eudat.eu/dataset/aa911371-6d9f-5879-ad86-09782aaff30c
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NGC 7009 is a fascinating example of a high-excitation, elliptical planetary nebula (PN) containing circumnebular rings, and FLIERs and jets along the major axis. We present...
