Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...486l.153b&link_type=abstract
Astrophysical Journal Letters v.486, p.L153
Astronomy and Astrophysics
Astronomy
5
Ism: H Ii Regions, Infrared: Ism: Lines And Bands, Ism: Molecules, Molecular Processes, Ism: Planetary Nebulae: General
Scientific paper
A mixture of the polycyclic aromatic hydrocarbons (PAHs), acenaphthylene and acenaphthene, when subjected to the energetic environment of a hydrogen plasma, is transformed into a material that exhibits an infrared absorption profile in the 3 mu m region that is an excellent match of the protoplanetary nebula IRAS 05341+0852 emission profile in the same wavelength region. Acenaphthylene and acenaphthene were chosen as precursors in the experiment because these molecules have a structure that can be described as a keystone in a process in which carbon atoms in a stellar wind condense into PAH species. The spectral match between experiment and observations appears to validate that scenario.
Arnoult Kenneth M.
Beegle Luther W.
Wdowiak Thomas J.
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