Rate of mass loss by the nuclei of planetary nebulae

Details Rate of mass loss by the nuclei of planetary nebulae Rate of mass loss by the nuclei of planetary nebulae

Aug 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986kfnt....2...42k&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 2, July-Aug. 1986, p. 42-48. In Russian.

Astronomy and Astrophysics

Astrophysics

Astrophysics, Mass Flow Rate, Planetary Nebulae, Radial Velocity, Stellar Mass Ejection, Astronomical Models, Nuclei, Star Formation, Stellar Winds

Scientific paper

A type of dependence of the expansion velocity in a planetary nebula on its radius Vs(Rs) is proposed which describes well the observed character of the envelope expansion. After initially increasing in the first expansion stage, the mass loss rate reaches a constant level in the second stage. Here, the accelerated expansion of the envelope is replaced by a steady expansion state, while the gas pressure in the compressed-shock region of the fast stellar wind begins to decrease.

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