Identification of polycyclic aromatic hydrocarbons

Details Identification of polycyclic aromatic hydrocarbons Identification of polycyclic aromatic hydrocarbons

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986inpr.conf..111l&link_type=abstract

In NASA. Ames Research Center Summer School on Interstellar Processes: Abstracts of Contributed Papers p 111-112 (SEE N87-15043

Astronomy and Astrophysics

Astronomy

Chemical Analysis, Cosmic Dust, Emission Spectra, Grains, Hydrocarbons, Infrared Spectra, Infrared Astronomy Satellite, Infrared Spectroscopy, Molecular Structure

Scientific paper

The nature of the Very Small Grains evidenced by K. Sellgren (1985) is discussed. Their stability suggests that they are graphitic material and specifically polycyclic aromatic hydrocarbons (PAHs). The expected IR emission of a typical PAH, coronene, gives an impressive spectroscopic agreement with the five observed "unidentified IR emission features", leading to an unambiguous identification. Those PAHs are the most abundant organic molecules detected to this date (f ≡ 10-5).

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