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The PAH Hypothesis and the Extinction Curve
Published online by Cambridge University Press: 23 September 2016
Extract
The Polycyclic Aromatic Hydrocarbon (PAH) hypothesis states that a mixture of free PAH molecules is an ubiquitous and abundant component of the interstellar matter. It has been first formulated by Léger and Puget (1984) on the basis of molecular stability that made PAHs good candidates for the very small grains proposed by Sellgren (1984). Then, they obtained strong, although not final, support from spectroscopy.
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- Section II: The Overidentified Infrared Emission Features
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- Copyright © Kluwer 1989