Resolution of the 7.7 micrometers emission feature in NGC 7027

Details Resolution of the 7.7 micrometers emission feature in NGC 7027 Resolution of the 7.7 micrometers emission feature in NGC 7027

Oct 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986inpr.conf..117b&link_type=abstract

In its Summer School on Interstellar Processes: Abstracts of Contributed Papers p 117-118 (SEE N87-15043 06-90)

Physics

3

Emission Spectra, Hydrocarbons, Infrared Spectra, Atomic Energy Levels, Molecular Structure, Problem Solving

Scientific paper

The unidentified infrared (UIR) features are a group of emission bands observed in a variety of objects, which can be characterized as having moderate density gas (densities from 1000 to 1,000,000/cu.cm.) and a nearby ultraviolet source. The origin of the features is still uncertain, but the current evidence points to Polycyclic Aromatic Hydrocarbons (PAHs) as the source of the UIR features. Problems with identifying PAHs as the source of the UIR features are discussed.

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