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This article has an erratum: [https://doi.org/10.1051/0004-6361/201833642e]


Fig. 12.

image

Spectral index maps for three “jet” sources. Top panels: spectral indices fitting results of the peak positions. Middle panels: averaged images of spw-1440 and spw-1820, the white contours represent the area of the sources extracted by BLOBCAT, and the crosses denote the peaks of the sources in the catalog. Bottom panels: the spectral index map produced by fitting the flux of the 6 SPWs pixel by pixel. The synthesized beams of the averaged image and spectral index map are shown in the bottom left corner of each panel.

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