Size distribution of polycyclic aromatic hydrocarbons in space: an old new light on the 11.2/3.3 μm intensity ratio
Alexander K. Lemmens, Cameron J. Mackie, Alessandra Candian, Timothy J. Lee, A. G. G. M. Tielens, Anouk M. Rijs, Wybren Jan Buma
Abstract
Calculated infrared absorption intensities of PAHs that underlie the interpretation of infrared emission from the ISM are validated with experiments. An adjusted emission model implies that typical PAH sizes are smaller than previously estimated.
Topics & Concepts
Intensity (physics)InfraredEmission intensityInterpretation (philosophy)Absorption (acoustics)Distribution (mathematics)Space (punctuation)ChemistryAnalytical Chemistry (journal)Computational physicsPhysicsOpticsEnvironmental chemistryMathematicsLuminescenceMathematical analysisPhilosophyLinguisticsProgramming languageComputer scienceAstrophysics and Star Formation StudiesAtmospheric Ozone and ClimateAdvanced Chemical Physics Studies