The fate of polycyclic aromatic material in space

Details The fate of polycyclic aromatic material in space The fate of polycyclic aromatic material in space

Mar 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...295..479m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 295, no. 2, p. 479-486

Astronomy and Astrophysics

Astronomy

13

Cosmic Dust, Infrared Astronomy, Infrared Spectra, Interstellar Matter, Molecular Spectra, Polycyclic Aromatic Hydrocarbons, Ultraviolet Astronomy, Ultraviolet Spectra, Chemical Analysis, Chemical Composition, Stability, Variability

Scientific paper

The stability of the polycyclic aromatic hydrocarbon (PAH) coronene has been studied under conditions representing those in interstellar space. It is concluded that although polycyclic aromatic material can survive in diffuse clouds, it is rapidly destroyed after accretion on interstellar dust in dense clouds. This limits the lifetime of such material in space to less than or equal to 5 x 107 years.

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