http://arxiv.org/abs/2210.07554
We present evidence that the nebular cocoon and bow-shock emission nebula putatively and recently reported as deriving from the 9th magnitude “runaway” star HD 185806 is the previously discovered but obscure planetary nebula WHTZ 1 (Ra 7). It has a Gaia DR3 G~16 blue ionizing star at its geometric centre. We present imagery, spectroscopy, other data and arguments to support that this emission source is a high excitation Planetary Nebula not a stellar wind bow shock.
Q. Parker, P. Dû, A. Ritter, et. al.
Mon, 17 Oct 22
5/56
Comments: 8 pages, 6 figure, accepted for publication in MNRAS
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