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 conclusion and focus our attention to some recent IR and UV spectroscopic studies which allow us to interpret further the main characteristics of astronomical spectra.


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    Title :

    Present situation in the identification of polycyclic aromatic hydrocarbons


    Contributors:
    Léger, A. (author) / d'Hendecourt, L. (author) / Joblin, C. (author)

    Published in:

    Advances in Space Research ; 13 , 12 ; 473-481


    Publication date :

    1993-01-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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