Volume 409, Number 1, October I 2003
|Page(s)||205 - 215|
|Section||Interstellar and circumstellar matter|
|Published online||17 November 2003|
A three-dimensional Galactic extinction model
Istituto Nazionale di Astrofisica (INAF), Osservatorio Astronomico di Torino, 10025 Pino Torinese, Italy
2 Instituto de Astrofisica de Canarias, 38200 La Laguna, Tenerife, Spain
3 Astronomisches Institut der Universität Basel, Venusstrasse 7, 4102 Binningen, Switzerland
Corresponding author: R. Drimmel, email@example.com
Accepted: 2 July 2003
A large-scale three-dimensional model of Galactic extinction is presented based on the Galactic dust distribution model of [CITE]. The extinction AV to any point within the Galactic disk can be quickly deduced using a set of three-dimensional Cartesian grids. Extinctions from the model are compared to empirical extinction measures, including lines-of-sight in and near the Galactic plane using optical and NIR extinction measures; in particular we show how extinction can be derived from NIR color-magnitude diagrams in the Galactic plane to a distance of 8 kiloparsec.
Key words: dust, extinction / ISM: structure / Galaxy: structure
© ESO, 2003
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