IC 4663: the first unambiguous [WN] Wolf-Rayet central star of a planetary nebula
@article{Miszalski2012IC4T, title={IC 4663: the first unambiguous [WN] Wolf-Rayet central star of a planetary nebula}, author={B. Miszalski and P. Crowther and O. D. Marco and J. Koppen and A. Moffat and A. Acker and T. Hillwig}, journal={Monthly Notices of the Royal Astronomical Society}, year={2012}, volume={423}, pages={934-947} }
We report on the serendipitous discovery of the first central star of a planetary nebula (PN) that mimics the helium- and nitrogen-rich WN sequence of massive Wolf–Rayet (WR) stars. The central star of IC 4663 (PN G346.2−08.2) is dominated by broad He II and N V emission lines which correspond to a [WN3] spectral type. Unlike previous [WN] candidates, the surrounding nebula is unambiguously a PN. At an assumed distance of 3.5 kpc, corresponding to a stellar luminosity of 4000 L⊙, the V= 16.9… CONTINUE READING
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