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The 3-Dimensional Distribution of Interstellar Dust

Published online by Cambridge University Press:  06 January 2014

Jayant Murthy
Jayant Murthy*
Affiliation:
Indian Institute of Astrophysics email: jmurthy@yahoo.com
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Abstract

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A knowledge of the three dimensional distribution of interstellar dust is critical in interpreting all observations of the sky, particularly in the understanding of the structure and morphology of our Galaxy. It has been much easier to map the integrated dust extinction through the Galaxy, which is needed in modeling extragalactic sources, but this yields an overestimate of reddening to Galactic objects. Massive surveys, such as Gaia, present both a problem in that the distribution of interstellar dust must be known in order to model the internal structure of the Galaxy and an opportunity in that multi-color data may be used to deconvolve the dust distribution. I will present the current state of the modeling, which is yet in its early stages.

Keywords

ISM: cloudsISM: dustISM: extinctionISM: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 213 - 220
Copyright
Copyright © International Astronomical Union 2014 

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