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Table 2.

Fluxes of the mid-IR nebular lines for the galaxies analysed in this work (in 10−17 W m−2 ≡ 10−14 erg cm−2 s−1).

Object [S IV]10.5 μm [Ne II]12.8 μm [Ne III]15.6 μm [S III]18.7 μm [O IV]25.9 μm
NGC 1386 24.3 ± 0.8 11.8 ± 0.4 38.1 ± 0.6 16.2 ± 0.6 97 ± 5 (a)
NGC 1097 < 0.45 12 ± 2 1.7 ± 0.5 8.4 ± 0.5 3 ± 1
NGC 1052 < 1.2 22.4 ± 0.6 12.3 ± 0.7 4.8 ± 0.8 2.4 ± 0.6 (a)
NGC 4579 < 1.6 13.1 ± 0.5 5.0 ± 0.2 2.3 ± 0.3 2 ± 1 (a)
NGC 3169 < 0.24 7.5 ± 0.1 2.8 ± 0.2 1.2 ± 0.1 2.0 ± 0.8 (a)
NGC 4261 < 0.27 3.0 ± 0.2 2.0 ± 0.2 0.7 ± 0.1 0.7 ± 0.3 (a)
M87 0.7 ± 0.3 4.9 ± 0.3 4.3 ± 0.3 2.0 ± 0.2 0.7 ± 0.3 (a)
NGC 4594 1.9 ± 0.5 8.5 ± 0.2 7.1 ± 0.2 1.3 ± 0.3 2.4 ± 0.6 (a)
NGC 404 < 0.21 2.5 ± 0.1 0.50 ± 0.05 0.6 ± 0.1 < 1.0

3C 273 3.6 ± 0.3 1.1 ± 0.2 4.2 ± 0.3 2.6 ± 0.5 8.5 ± 0.6

Notes. All fluxes have been extracted from Spitzer/IRS spectra acquired with the high-spectral resolution mode (R = 600) obtained from the CASSIS database and the Spitzer Heritage Archive.

(a)

Line flux measured using a Gaussian function, to avoid possible contamination from the adjacent [Fe II]26 line.

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