Unravelling the 'Helix' nebula

Details Unravelling the 'Helix' nebula Unravelling the 'Helix' nebula

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.187..283f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 187, Apr. 1979, p. 283-286.

Astronomy and Astrophysics

Astronomy

23

Companion Stars, Planetary Nebulae, Stellar Mass Ejection, Two Body Problem, Celestial Mechanics, Precession, Stellar Rotation

Scientific paper

It is proposed that the complex structures observed in some planetary nebulae may, in part, be due to the focusing action of a binary companion to the star losing mass. Helix-like structures can arise due to orbital precession of the pair under the action of mass loss induced torques. The 'Helix' nebula is presented as a possible example even though duplicity in this object has not yet been observed.

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