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How to build a 3D extinction model of the Galaxy
Published online by Cambridge University Press: 21 October 2010
Abstract
We show that anomalous extinction (deviations from the traditionally adopted RV = AV/E(B − V) = 3.1 introduces large uncertainties in the distances of stars, for distances larger than 1-2 kpc. We argue that for such distances and for directions close to the galactic plane, the use of extinction models based on the gas distribution in the Galaxy is safer, for the moment, than the use of extinction maps.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 200 - 201
- Copyright
- Copyright © International Astronomical Union 2010