Mathematical modeling of the spatial structure of planetary nebulae

Details Mathematical modeling of the spatial structure of planetary nebulae Mathematical modeling of the spatial structure of planetary nebulae

Aug 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979sval....5..218g&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 5, Aug. 1979, p. 406-410.) Soviet Astronomy Letters, vol. 5, July-Aug. 1979, p. 218-220

Astronomy and Astrophysics

Astronomy

1

Astronomical Models, Mathematical Models, Planetary Nebulae, Algorithms, Astronomical Photography, Celestial Sphere, Isophotes, Planetary Mapping, Planetary Structure

Scientific paper

A mathematical method for investigating the three-dimensional structure of a planetary nebula on the basis of a plane chart of its isophotes is described. The nebula is modeled as a transparent toroidal formation of constant density. With this method one can determine the geometrical parameters of the torus and its inclination to the line of sight. A comparison between the isophotes observed for the nebula NGC 7662 and those predicted by the model indicates very fair agreement.

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