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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
Affiliation:
Instituto de Astronomia Universidad National Autónoma de Mexico, Ensenada, Mexico email: [email protected], [email protected]
Wolfgang Steffen
Affiliation:
Instituto de Astronomia Universidad National Autónoma de Mexico, Ensenada, Mexico email: [email protected], [email protected]
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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.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2012

References

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