Table 4: The MIR excess at $6.7~\mu {\rm m}$ and $15~\mu {\rm m}$ for each galaxy. The excess is quantified as the excess beyond the stellar component which is modelled using the stellar evolutionary synthesis model PÉGASE.
NAME $6.7~\mu {\rm m}$ excess $15~\mu {\rm m}$ excess
  (mJy) (mJy)
NGC 185 9.20 $\pm$ 2.94 23.65 $\pm$ 2.64
NGC 205 8.95 $\pm$ 3.59 6.36 $\pm$ 5.9
NGC 1052 12.38 $\pm$ 17.86 181.81 $\pm$ 76.70
NGC 1316 38.17 $\pm$ 22.95 97.42 $\pm$ 33.96
NGC 1399 -5.79 $\pm$ 11.43 23.34 $\pm$ 29.00
NGC 2300 -0.90 $\pm$ 2.89 5.13 $\pm$ 5.08
NGC 3928 47.55 $\pm$ 7.02 56.38 $\pm$ 10.13
NGC 4278 4.77 $\pm$ 5.32 19.42 $\pm$ 4.79
NGC 4374 -2.24 $\pm$ 12.48 28.88 $\pm$ 9.08
NGC 4473 -4.32 $\pm$ 4.96 11.05 $\pm$ 5.52
NGC 4486 35.48 $\pm$ 15.89 51.32 $\pm$ 11.82
NGC 4649 5.14 $\pm$ 13.41 5.44 $\pm$ 6.14
NGC 5018 11.25 $\pm$ 6.49 24.96 $\pm$ 5.76
NGC 5102 4.96 $\pm$ 6.33 14.75 $\pm$ 14.03
NGC 5173 7.23 $\pm$ 1.38 13.29 $\pm$ 2.42
NGC 5266 40.72 $\pm$ 7.20 69.51 $\pm$ 8.65
NGC 5363 55.47 $\pm$ 11.99 68.73 $\pm$ 10.21
NGC 5866 87.62 $\pm$ 19.35 139.65 $\pm$ 21.01


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