Fig. 3
Model of the radio spectrum of 3C 286. The measurements (dots) above 153 MHz (dashed line) were used to fit the original Perley-Taylor 1999.2 model (dotted line), which appears to overestimate the flux density at 153 MHz. By adding one measurement at 74 MHz, we fit an alternative model (solid line) that may give a better prediction at 153 MHz.
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