Table 4

Coefficients for 7th order polynomial function defined by Eq. (13), which best-fit the LoTSS and TGSS-ADR1 150 MHz normalized source counts in the flux density range: 0.2 mJy−1 0 Jy.

Coefficient Value Error (±)
a0 1.655 0.017
a1 −0.1150 0.0654
a2 0.2272 0.097
a3 0.51788 0.18616
a4 −0.449661 0.185032
a5 0.160265 0.084983
a6 −0.028541 0.018280
a7 0.002041 0.001497

Notes. The polynomial fit is shown in Fig. 9.

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