Table 1.
Properties of the local AGN used in this work sorted by 
.
| Name | AGN | DL | τ6.0 μm | τ9.7 μm | τ18 μm | log  |
|---|---|---|---|---|---|---|
| type | (Mpc) | (cm−2) | ||||
| MCG-05-23-016 | 1.9 | 35 | < 0.01 | 0.32 ± 0.01 | 0.01 ± 0.01 | 22.2 |
| NGC 5506 | 1.9 | 27 | 0.08 ± 0.02 | 0.90 ± 0.04 | 0.10 ± 0.02 | 22.4 |
| NGC 7172 | 2 | 37 | 0.07 ± 0.01 | 2.24 ± 0.03 | 0.54 ± 0.05 | 22.9 |
| NGC 7319 | 2 | 96 | 0.05 ± 0.02 | 0.59 ± 0.02 | 0.01 ± 0.01 | 23.8 |
| NGC 5728 | 1.9 | 39 | 0.47 ± 0.02 | 1.91 ± 0.02 | 0.23 ± 0.04 | 24.2 |
| ESO 137-G034 | 2 | 35 | 0.21 ± 0.07 | 0.99 ± 0.03 | 0.05 ± 0.04 | 24.3 |
| NGC 4418 | 2 | 37 | 0.93 ± 0.03 | 4.10 ± 0.01 | 0.95 ± 0.01 | > 25 |
Notes. The hydrogen column densities are from Sakamoto et al. (2013) and Ricci et al. (2017). For NGC 4418 we use Spitzer/IRS data. The spectral types are from Véron-Cetty & Véron (2006). τ6.0 μm, τ9.7 μm, and τ18.0 μm correspond to the measured optical depth at 6.0, 9.7, and 18.0 μm, respectively (see Sect. 3.1 for details).
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