Table 4
Power-law fits of the difference between the spectra of Field 1 and Field 2.
| Image | 103 Ad | αd | Mask | I3.5 |
|---|---|---|---|---|
| [Jy s2 sr−1] | [MJy sr−1] | |||
| (a) | (b) | (c) | (d) | |
| Cut 1 | 1.93 ± 0.14 | −3.47 ± 0.07 | F | 0.26 |
| 1.95 ± 0.14 | −3.43 ± 0.07 | L | ||
| 1.91 ± 0.15 | −3.66 ± 0.07 | H | ||
| Cut 2 | 2.06 ± 0.09 | −3.52 ± 0.04 | F | 0.25 |
| 2.09 ± 0.11 | −3.53 ± 0.05 | L | ||
| 2.03 ± 0.10 | −3.65 ± 0.05 | H |
Notes. (a) Amplitude of the power law at wavenumber k0= 10−2 
. (b) Spectral index of the power law. (c) Mask used to clean the data. F, L and H stand for fiducial, light and heavy masks (see Sect. 2.2). (d) Median brightness at 3.5 μm of diffuse emission computed on the Field 1 – Field 2 difference maps.
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