Fig. 1.

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Total intensity radio map of A1430 at a central frequency of 144 MHz as obtained from the LoTSS survey. There are three bright tailed radio galaxies, labelled as a, b, and c in the cluster region and several additional compact sources (brighter ones are marked with d–h). Moreover, there is evidence for diffuse radio emission in the cluster region. The image was obtained using a Briggs weighting of 0.0. The noise level is σrms = 92 μJy beam−1 and the restoring beam has a size of 14″ × 9″ and a position angle of −84°, as illustrated by the black ellipse in the bottom left corner of the image. Black contours start from 3σrms and are spaced by . Contours at higher levels are drawn in grey for an optimal visual presentation. No negative contour levels below −3σrms are present. Red contours represent the distribution of X-ray emission, as seen by Chandra, to indicate the cluster region. Flux densities of the annotated sources are listed in Table 1.
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