• Corpus ID: 14381339

Shaping Planetary Nebulae and Related Objects

@article{Soker2003ShapingPN,
  title={Shaping Planetary Nebulae and Related Objects},
  author={Noam Soker},
  journal={arXiv: Astrophysics},
  year={2003}
}
  • N. Soker
  • Published 8 September 2003
  • Physics
  • arXiv: Astrophysics
I review some open questions and other aspects concerning the shaping of planetary nebulae (PNs) and related objects. I attribute the non-spherical structures of PNs to binary companions, stellar or substellar. I emphasize the role of jets (or collimated fast wind: CFW) blown by an accreting stellar companion in shaping PNs and some related objects, and discuss the limited role of magnetic fields. I speculate that some stars which are leaving the asymptotic giant branch, i.e., becoming hotter… 
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The roughly spherical outer regions and aspherical inner regions of protoplanetary nebulae — here imaged by ALMA — are explained in terms of an embedded binary system with stars on eccentric orbits.

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