PubMed · 5398294
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P Ostoya. 1969-04-15. [The sun, a variable star].. https://pubmed.ncbi.nlm.nih.gov/5398294/
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The emission spectra of the gaseous polycyclic aromatic hydrocarbons (PAHs) naphthalene, chrysene, and pyrene were recorded in the far-infrared (far-IR) region. The vibrational bands that lie in the far IR are unique for each PAH molecule and allow discrimination among the three PAH molecules. The far-IR PAH spectra, therefore, may prove useful in the assignment of unidentified spectral features from astronomical objects.
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