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Infrared and Ultraviolet Properties of Polycyclic Aromatic Hydrocarbons: Constraints on the Carriers of AIBs and the 2175 Å Extinction Feature

  • Authors: Venkata Lakshmi Karri, Takashi Onaka, Mahadevappa Naganathappa

Venkata Lakshmi Karri et al 2026 The Astrophysical Journal 1008 .

  • Provider: AAS Journals

Caption: Figure 17.

Peak wavelengths of the strongest π→π* electronic absorption transitions as a function of PAH size (number of fused benzene rings) for peri-condensed PAHs. The dashed line marks the central wavelength of the interstellar 2175 Å extinction bump.

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