Chemistry and IR emission of acetylene in planet-forming regions of T Tauri disks - Impact of elemental abundances and dust properties

Open Access

Fig. 13

Temperature and effective radius (corresponding to an emitting area πR²) of C₂H₂ emission retrieved from slab models on DALI predicted spectra. Red crosses indicate DALI models with solar C/O and gd = 10², 10³, 10⁴, while the green cross corresponds to C/O = 1.5 and gd = 10³. JWST observations of 2 disks are shown in gray (Grant et al. 2023; Colmenares et al. 2024).

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