On the origin of planetary nebulae

Details On the origin of planetary nebulae On the origin of planetary nebulae

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219l.125k&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 219, Feb. 1, 1978, p. L125-L127.

Astronomy and Astrophysics

Astrophysics

439

Astronomical Models, Planetary Evolution, Planetary Nebulae, Red Giant Stars, Stellar Winds, Interstellar Matter, Ionizing Radiation, Stellar Mass Ejection, Stellar Models

Scientific paper

The stellar wind from a red giant produces an extensive cool circumstellar nebula of appreciable mass. It is suggested that in some cases mass loss continues until the hot core of the star is exposed and that the stellar wind from the remnant star collides with the circumstellar nebula, producing a relatively dense shell of gas which increases in mass and radius at a constant rate. It is shown that such a shell, when ionized by radiation from the central star, has the characteristics of a planetary nebula. V1016 Cygni is used as an example of a star which has recently undergone the transition from a red giant to a young low-mass planetary nebula.

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