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Photoionization modeling of the Galactic planetary nebulae Abell 39 and NGC 7027

Published online by Cambridge University Press:  30 August 2012

Ashkbiz Danehkar ,
David J. Frew ,
Quentin A. Parker  and
Orsola De Marco
Ashkbiz Danehkar
Affiliation:
Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia email: ashkbiz.danehkar@mq.edu.au; david.frew@mq.edu.au
David J. Frew
Affiliation:
Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia email: ashkbiz.danehkar@mq.edu.au; david.frew@mq.edu.au
Quentin A. Parker
Affiliation:
Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia email: ashkbiz.danehkar@mq.edu.au; david.frew@mq.edu.au Australian Astronomical Observatory, PO Box 296, Epping, NSW 1710, Australia
Orsola De Marco
Affiliation:
Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia email: ashkbiz.danehkar@mq.edu.au; david.frew@mq.edu.au
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Abstract

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We estimate distances to the spherical planetary nebula Abell 39 and the bipolar planetary nebula NGC 7027 by interpolating from a wide grid of photoionization models using the 3-D code, MOCASSIN. We find preliminary distances of 1.5 kpc and 0.9 kpc respectively, with uncertainties of about 30%.

Keywords

planetary nebulae: individual (Abell 39, NGC 7027)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 340 - 341
Copyright
Copyright © International Astronomical Union 2012

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