Dust Distribution in the Milky Way

Drimmel, R.; Lopez-Corredoira, M.; Cabrera-Lavers, A.
Bibliographical reference

Astrophysics of Dust, Estes Park, Colorado, May 26 - 30, 2003. Edited by Adolf N. Witt, meeting abstract.

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2003
Number of authors
3
IAC number of authors
0
Citations
0
Refereed citations
0
Description
A three-dimensional model of the dust distribution in the Milky Way is presented based on FIR observations made by the COBE satellite. This model is a further development of that first presented by Drimmel & Spergel (2001). Here the molecular ring has been added, which shows evidence of ellipticity, as well as a central hole in the disk. Temperature gradients associated with the spiral arms have also been added. Description of dust within a few kiloparsecs of the Sun, associated with the local Orion arm, is further constrained by recent observations of nearby HII regions. Extinction along several lines-of-sight close to the Galactic plane is confronted with empirical measures using 2MASS data.