Example flux density spectrum for PSR B0329+54 that exhibits a low-frequency turnover. The data are taken from Lorimer & Kramer (2012) and plotted as crosses. The straight lines are the best linear fits for segments of the spectra, with slopes of +1.1 and −2.1. The black curve is a fit using Eq. (27) with vCS = 0.9999995c and Hz. This is not the only parameter set to achieve a fit, offsetting adjustments in vCS and ωp can be applied while still maintaining the fit.
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