Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.166..333w&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 166, no. 2, April 1990, p. 333-335.
Astronomy and Astrophysics
Astrophysics
2
Aromatic Compounds, Infrared Spectra, Planetary Nebulae, Stellar Composition, Emission Spectra, Interstellar Extinction, Molecular Spectra
Scientific paper
It was recently pointed out that an ensemble of aromatic molecules derived from natural products would account for both the shape of the 3.3 micron emission feature in NGC2023 and the 2200 A absorption in the interstellar extinction curve. Here, the expected emission features from an ensemble of naturally-occurring aromatic molecules is shown to be in satisfactory agreement with the emission properties of PAH molecules associated with PN.
Al-Jubory T.
Hoyle Fiona
Wickramasinghe Chandra N.
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