Bibcode
Hammersley, P. L.; Cabrera-Lavers, A.; Garzón, F.; Asensio Ramos, A.; González-Fernández, C.
Bibliographical reference
The Astrophysical Journal, Volume 782, Issue 2, article id. 86, 11 pp. (2014).
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2
2014
Journal
Citations
12
Refereed citations
10
Description
While the shape of the extinction curve in the infrared is considered to
be set and the extinction ratios between infrared bands are usually
taken to be approximately constant, a number of recent studies point to
either a spatially variable behavior of the exponent of the power law or
a different extinction law altogether. In this paper, we propose a
method to analyze the overall behavior of the interstellar extinction by
means of the red-clump population, and we apply it to those areas of the
Milky Way where the presence of interstellar matter is heavily felt:
areas located in 5° < l < 30° and b = 0°. We show that
the extinction ratios traditionally used for the near infrared could be
inappropriate for the inner Galaxy and we analyze the behavior of the
extinction law from 1 μm to 8 μm.
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