The role of fast wind in the formation of a planetary nebula

Details The role of fast wind in the formation of a planetary nebula The role of fast wind in the formation of a planetary nebula

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..512i&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, June 1990, p. 512-521. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Interstellar Gas, Planetary Nebulae, Stellar Winds, Taylor Instability, Stellar Envelopes, Stellar Evolution

Scientific paper

The dynamical effects of the interaction of a fast (2000 km/s) stellar wind from a central star with the gaseous envelope of a planetary nebula (PN) are investigated on the basis of a theoretical analysis. An evaluation is made of conditions under which the fragmentation of the nebula due to Rayleigh-Taylor instability. The evolution of initially oblate PN modes is investigated on the basis of two-dimensional calculations, and it is shown that bipolar structures (of hourglass type) are formed as a result of this evolution.

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