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Distance mapping technique and the 3-D structure of BD +30°3639

Published online by Cambridge University Press:  30 August 2012

Stavros Akras  and
Wolfgang Steffen
Stavros Akras
Affiliation:
Instituto de Astronomia Universidad National Autónoma de Mexico, Ensenada, Mexico email: akras@astrosen.unam.mx, wsteffen@astrosen.unam.mx
Wolfgang Steffen
Affiliation:
Instituto de Astronomia Universidad National Autónoma de Mexico, Ensenada, Mexico email: akras@astrosen.unam.mx, wsteffen@astrosen.unam.mx
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Abstract

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We present a new kinematic analysis technique called distance mapping. It uses the observed proper motion vectors and the 3-D velocity field to determine the distance for each vector. From this information we generate maps that can be use as a constraint to morpho-kinematic modeling with SHAPE. It is applied to BD +30°3639, using the internal proper motion measurements by Li et al. (2002). We determine its distance at 1.40 kpc ± 0.15 kpc.

Keywords

ISM: jets and outflowsISM: kinematics and dynamicsmethods: numericalplanetary nebula: individual (BD +30°3639)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 304 - 305
Copyright
Copyright © International Astronomical Union 2012

References

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