Image Details
Caption: Figure 2.
Correlations between the surface brightness of the measured PAH (a) 6.2 μm, (b) 7.7 μm, and (c) 11.3 μm emission and those predicted by Equation (1) for data points in Figure 1, with the dashed line in each panel indicating the 1:1 relation.
© 2026. The Author(s). Published by the American Astronomical Society.