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Table 2

Weighted rms residual values and reduced χ2 values from individual timing analyses of the six TOA datasets described in Sect. 3.2 with TEMPO2.

TOA dataset Uncal. FDM Cal. FDM Cal. + corr. FDM Uncal. MTM Cal. MTM Cal. + corr. MTM
J1730−2304
Weighted rms residual (μs) 2.213 1.710 1.604 1.090 0.974 0.960
Reduced χ2 4.091 2.426 2.259 2.149 1.839 1.843

J1744−1134
Weighted rms residual (μs) 1.612 1.042 0.705 0.905 0.635 0.628
Reduced χ2 27.951 10.034 5.648 4.480 1.895 2.041

J1857+0943
Weighted rms residual (μs) 1.364 1.359 1.280 1.272 1.166 1.120
Reduced χ2 2.001 1.958 1.903 2.203 1.898 1.817

Notes. The TOA datasets for PSRs J1730−2304, J1744−1134, and J1857+0943, respectively, comprised 2379, 2085, and 1612 TOAs.

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