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Fig. 7.
Spectrum of VLSS J2217.5+5943, i.e., components II–IV (blue) and component V (dark yellow). Data are from the 8C catalog (38 MHz), VLSS (74 MHz), TGSS ADR (150 HMz), GMRT 325 MHz and 610 MHz, WSRT (1.4 GHz), and VLASS (3 GHz). The upper limit from VLASS corresponds to the 68 % confidence limit.
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