PAH Emission Features ·
Aromatic Infrared Bands
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.com · cosmic soot · stochastic heating · 3.3–11.3 μm
Peak T
20 K
Charge
neutral
Phase
—
UV photon (6–13 eV)
Carbon skeleton (C–C)
Edge hydrogen (C–H)
IR emission band
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.com · PAH Emission Features: The Aromatic Infrared Bands of Cosmic Soot