Distances to Planetary Nebulae

In this talk, I describe methods for direct distance estimation to Planetary Nebulae (PNe). I review the foremost of these methods, the Expansion Parallax Distance, and present some recent results from this technique. In addition, I will discuss the major contributions to the systematic and random d...

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Bibliographic Details
Published in:Proceedings of the International Astronomical Union 2006-04, Vol.2 (S234), p.41-48
Main Author: Hajian, Arsen R.
Format: Article
Language:English
Subjects:
Astronomy
Contributed Papers
Estimating techniques
Extrasolar planets
Nebulae
Research methodology
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Online Access:Get full text
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Summary:In this talk, I describe methods for direct distance estimation to Planetary Nebulae (PNe). I review the foremost of these methods, the Expansion Parallax Distance, and present some recent results from this technique. In addition, I will discuss the major contributions to the systematic and random distance errors resulting from the method (including ionization front motions and deviations from spherical target morphologies), and show preliminary evidence quantifying these effects.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921306002730