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Physical parameters and chemical abundances in bipolar PNe

Published online by Cambridge University Press:  30 August 2012

Roberto D. D. Costa ,
Daniel M. Faes  and
Christophe Morisset
Roberto D. D. Costa
Affiliation:
Departamento de Astronomia, IAG, Universidade de São Paulo, Rua do Matão 1226, 05508-090, São Paulo/SP, Brazil email: [email protected], [email protected]
Daniel M. Faes
Affiliation:
Departamento de Astronomia, IAG, Universidade de São Paulo, Rua do Matão 1226, 05508-090, São Paulo/SP, Brazil email: [email protected], [email protected]
Christophe Morisset
Affiliation:
Instituto de Astronomía, UNAM, Aptdo. Postal 70264, México D.F. 04510, México Instituto de Astrofísica de Canarias, Tenerife, Spain email: [email protected]
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Abstract

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Bipolar nebulae constitute a large subset of the planetary nebulae population. We present the first results of a project aimed to map physical parameters and chemical abundances across extended planetary nebulae with bipolar structure. These results can be used as input and constraints into numerical simulations in order to reproduce their properties in the visual band of the spectrum. This provides a way to examine the non-homogeneity present in this kind of object, as well as a tool to derive their intrinsic properties, like tridimensional geometry and matter distribution, central star properties, distance, and other properties in a self-consistent way. Here we show our results for two of these objects: IC 4406 and NGC 6572.

Keywords

Techniques: spectroscopicmethods: numericalplanetary nebulae: individual (IC 4406, NGC 6572)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 336 - 337
Copyright
Copyright © International Astronomical Union 2012

References

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Morisset, C. 2006, in: Planetary Nebulae in our Galaxy and Beyond, Proc. IAU Symposium 234, Barlow, M. J. and Méndez, R. H. (Eds.), Cambridge: CUP, p. 467 Google Scholar