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This article has an erratum: [https://doi.org/10.1051/0004-6361/202243391e]


Table 4

Summary of fits to the SMC radio spectrum.

χ2(•) BIC(‡) ∆BIC d.o.f. log(S0) α c0 c1 c2 c3
PL(*) 32.3 1.2 298.0 27 2.284 −0.82
22.3 0.9 294.7 3.3 25 1.763 −0.968 0.09 0.315

Notes. (*)Power law: log(Sν) = log(S0) + α log(ν/0.2GHz) from Eq. (4) and Table 3 of For et al. (2018).(+) Third-order polynomial: log(Sν) = c0 + c1 x + c2 x2 + c3 x3, with x = log(νGHz-1). (•)χ2 calculations use actual fluxes (Table 4 of For etal. 2018), not their logarithms. (‡)See definitions and discussion in Sect. 4.2.1 of For et al. (2018).

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