Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.260..415d&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 260, no. 2, p. 415-419.
Astronomy and Astrophysics
Astronomy
4
Amorphous Materials, Carbon, Hydrogenation, Infrared Astronomy Satellite, Infrared Radiation, Molecular Clouds, Cosmic Dust, Interstellar Matter, Satellite Imagery
Scientific paper
The correlations deduced by Boulanger et al. (1990) from IRAS maps of the Chamaeleon, Taurus and Ursa Major molecular cloud complexes are interpreted in terms of the evolutionary hydrogenated amorphous carbon model of interstellar dust. In particular, regions of relatively strong 12-micron emission may be regions where recently accreted carbon is being converted by ambient UV to small PAHs in situ. Regions of weak 12-micron emission are probably quiescent regions where carbon has been annealed to amorphous carbon. Observational consequences of these inferences are briefly described.
Duley Walter W.
Jones Adrian P.
Taylor S. D.
Williams David. A.
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