PAH emission in T Cha was already present in 2005 Spitzer data, and the 2022 JWST epoch shows increased PAH fluxes with a stable 11.2 micron profile and a predominantly neutral, small PAH population.
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When the Wall Fell: Study of Polycyclic Aromatic Hydrocarbons in T Chamaeleontis using JWST
PAH emission in T Cha was already present in 2005 Spitzer data, and the 2022 JWST epoch shows increased PAH fluxes with a stable 11.2 micron profile and a predominantly neutral, small PAH population.