Can stellar rotation shape the planetary nebulae?

Details Can stellar rotation shape the planetary nebulae? Can stellar rotation shape the planetary nebulae?

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011rmxac..40..203g&link_type=abstract

XIII Latin American Regional IAU Meeting (Eds. W. J. Henney & S. Torres-Peimbert) Revista Mexicana de Astronomía y Astrofísica (

Astronomy and Astrophysics

Astronomy

Planetary Nebulae, Stars: Mass Loss

Scientific paper

We present a new scenario for bipolar PNe formation based on the effects of the stellar rotation on the stellar radiation field. We suggest that in the early stages of the evolution of a planetary nebula, its central star increases its rotational velocity and, due to the gravitational darkening or a possible formation of an equatorial disk, creates a bipolar ionization structure in the expelled spherical AGB shell.

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