The 3-D View of Planetary Nebulae

Details The 3-D View of Planetary Nebulae The 3-D View of Planetary Nebulae

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxac..26...28s&link_type=abstract

XI IAU Regional Latin American Meeting of Astronomy (Eds. L. Infante & M. Rubio) Revista Mexicana de Astronomía y Astrofísica (S

Astronomy and Astrophysics

Astronomy

Planetary Nebulae

Scientific paper

By taking a 3-D view of Planetary Nebulae (PNe) we show that the large uncertainties associated with classical methods of modeling and observing PNe to obtain their 3-D structures, distances and physical parameters are significantly reduced. Using long slit or Integral Field Unit spectrophotometry to constrain modern 3-D photoionization models for PNe, we determine detailed 3-D structures, central star parameters, and distances accurate to 10-20% by eliminating the uncertainties in the density and filling factor. Traditional 1-D methods gave distances to typically a factor of 3 or more with the associated very large uncertainties on the physical parameters of the objects.

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