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Table 4.
Global properties of the spectral index maps (see Fig. 3) and C-band images (see Fig. 1) for the regions identified in NGC 4438 (see Sect. 5).
| Region | α | Speak | Stot |
|---|---|---|---|
| (mean) | (mJy beam−1) | (mJy) | |
| NW lobe | ... | 0.5 | 19.7 ± 0.59 |
| Main bubble | −0.82 ± 0.13 | 0.5 | 11.1 ± 0.33 |
| Nucleus | 0.07 ± 0.12 | 0.54 | 0.91 ± 0.07 |
| SE lobe | −0.44 ± 0.15 | 0.25 | 1.55 ± 0.05 |
Notes. The global NW-lobe spectral index is not provided due to the high error (> 0.5) when the entire structure is included.
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