On the velocity structure in clumpy planetary nebulae

Details On the velocity structure in clumpy planetary nebulae On the velocity structure in clumpy planetary nebulae

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..313..230s&link_type=abstract

Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August

Astronomy and Astrophysics

Astronomy

Scientific paper

We study the interaction of a fast tenuous stellar wind with a spherical distribution of high-density clouds embedded in a stationary intercloud medium with an approximately inverse square density fall-off. We calculate the acceleration of the clouds by the stellar wind as a function of distance and density. We find a stratification of velocity with density, which in the long run produces the Hubble-law type linear velocity gradients seen in some planetary nebulae.

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