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Planetary and Proto-Planetary Nebulae: From IRAS to ISO pp 203–220Cite as

Infrared Characteristics of Polycyclic Aromatic Hydrocarbons and the Interpretation of IR Astronomical Spectra

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Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 135))

Abstract

Recently, the interpretation given to the so-called “unidentified” infrared emission bands has drastically improved. These bands are attributed to the fundamental vibrations of large molecules known in organic chemistry as Polycyclic Aromatic Hydrocarbons (PAH’s). In this paper, we review the main arguments which led to this identification and focus our attention to some recent IR spectroscopic studies which allow us to interpret further the main characteristics of IR astronomical spectra. We show that a mixture of compact and partially dehydrogenated PAH’s can be the carrier of the main emission features.

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Authors and Affiliations

  1. Groupe de Physique des Solides de l’ ENS Université de Paris VII - Tour 23, 2, Place Jussieu, 75251, Paris Cedex 05, France

    L. B. d’Hendecourt & A. Léger

Authors
  1. L. B. d’Hendecourt
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  2. A. Léger
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© 1987 D. Reidel Publishing Company

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d’Hendecourt, L.B., Léger, A. (1987). Infrared Characteristics of Polycyclic Aromatic Hydrocarbons and the Interpretation of IR Astronomical Spectra. In: Planetary and Proto-Planetary Nebulae: From IRAS to ISO. Astrophysics and Space Science Library, vol 135. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3891-5_24

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  • DOI: https://doi.org/10.1007/978-94-009-3891-5_24

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8228-0

  • Online ISBN: 978-94-009-3891-5

  • eBook Packages: Springer Book Archive

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