Fig. 19.
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Examples of sources with extreme in-band LoTSS spectral indices. The in-band LoTSS measurements are shown in red where the red dotted line shows the fitted α (values of α are displayed on the panels) and the blue dotted lines show the fitted α ± 0.2. The black points show measurements from LoLSS, VLSSr, TGSS, WENSS and NVSS where available. Clockwise from top left, the sources shown are: ILTJ004259.17+233517.1, ILTJ084911.00+403231.2, ILTJ101731.34+434312.5, ILTJ113903.61+583040.5, ILTJ125903.65 +594635.9, ILTJ082236.93+511230.0, ILTJ011755.08+320622.5 and ILTJ004259.17+233517.1.
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