A three-dimensional ionisation model of the planetary nebula NGC 3132

Details A three-dimensional ionisation model of the planetary nebula NGC 3132 A three-dimensional ionisation model of the planetary nebula NGC 3132

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...237..201b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 237, no. 1, Oct. 1990, p. 201-206.

Statistics

Computation

17

Astronomical Models, Computational Grids, Ionization, Planetary Nebulae, Three Dimensional Models, Computer Techniques, Density Distribution, Emission Spectra, Imaging Techniques, Line Spectra, Spectral Line Width

Scientific paper

A new three-dimensional grid method for modeling PNe is descibed. The method models the PN around a central star by a cube which can be freely rotated in space and which is subdivided into subcubes to which individual total density and velocity values can be assigned, the true density and velocity structure of an object should be reproducible in a self-consistent manner by performing a detailed comparison among theoretical emission line fluxes and observed absolutely calibrated monochromatic images. There is no need to introduce an arbitrary 'filling factor' which has often been a necessity in spherical symmetric models. The method is applied to the PN NGC 3132 as an example.

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