Laboratory simulation of carbon compounds expected in different astrophysical environments

Details Laboratory simulation of carbon compounds expected in different astrophysical environments Laboratory simulation of carbon compounds expected in different astrophysical environments

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997adspr..20.1617c&link_type=abstract

Advances in Space Research, Volume 20, Issue 8, p. 1617-1627.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

In this paper we give an overview of recent results obtained in our laboratory on ``disordered'' soot grains. The data are interpreted in a self-consistent scenario which correlates optical behaviour to structural properties of the dust. A sort of evolutionary progression is obtained which is linked both to production conditions and to processing mechanisms, such as thermal annealing, UV irradiation and ion bombardment. The reference frame so built may represent a key to interpret spectral behaviours observed in space for carbon-based materials in different astronomical environments: interstellar and circumstellar media, cometary and interplanetary environments. The study of carbon-based samples in the laboratory offers a tool to derive hints about the evolution of cosmic dust.

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