Spatially resolved circumnuclear coronal $[\mathrm{Fe}\mathrm{VII}]\lambda 6087$ emission in nearby Seyfert galaxies

S. Comerón, A. Prieto, P. Dabhade

Coronal lines are forbidden emission lines with a ionisation potential $\chi \gtrsim 100\mathrm{eV}$. They are linked to energetic phenomena triggered by AGNs in the circumnuclear medium…