Combining the second data release of the European Pulsar Timing Array with low-frequency pulsar data

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Table 2.

Amplitude and spectral index of RN, DMv, and CN₄ from DR2low.

Pulsar	Red noise		DM variations		Chromatic noise		$B_{RN + DMv}^{Fav}$ $\mathcal{B}^\mathrm{{Fav}}_\mathrm{{RN+DMv}}$
	log₁₀A	γ	log₁₀A	γ	log₁₀A	γ
J0030+0451	${- 14.79}_{- 2.02}^{+ 1.24}$ ${-14.79}^{+1.24}_{-2.02}$	${4.61}_{- 3.56}^{+ 2.26}$ ${4.61}^{+2.26}_{-3.56}$	${- 13.49}_{- 0.09}^{+ 0.10}$ ${-13.49}^{+0.10}_{-0.09}$	${0.96}_{- 0.27}^{+ 0.30}$ ${0.96}^{+0.30}_{-0.27}$	${- 17.15}_{- 0.77}^{+ 0.48}$ ${-17.15}^{+0.48}_{-0.77}$	${3.12}_{- 1.16}^{+ 1.78}$ ${3.12}^{+1.78}_{-1.16}$	≥10³
J0751+1807	X	X	${- 13.37}_{- 0.64}^{+ 0.24}$ ${-13.37}^{+0.24}_{-0.64}$	${2.69}_{- 0.77}^{+ 1.72}$ ${2.69}^{+1.72}_{-0.77}$	${- 15.15}_{- 0.47}^{+ 0.17}$ ${-15.15}^{+0.17}_{-0.47}$	${0.74}_{- 0.68}^{+ 1.57}$ ${0.74}^{+1.57}_{-0.68}$	9.4
J1012+5307	${- 12.92}_{- 0.13}^{+ 0.14}$ ${-12.92}^{+0.14}_{-0.13}$	${1.41}_{- 0.48}^{+ 0.50}$ ${1.41}^{+0.50}_{-0.48}$	${- 13.73}_{- 0.12}^{+ 0.14}$ ${-13.73}^{+0.14}_{-0.12}$	${1.72}_{- 0.65}^{+ 0.72}$ ${1.72}^{+0.72}_{-0.65}$	${- 16.30}_{- 0.22}^{+ 0.16}$ ${-16.30}^{+0.16}_{-0.22}$	${1.21}_{- 0.72}^{+ 0.53}$ ${1.21}^{+0.53}_{-0.72}$	≥10³
J1022+1001	${- 13.04}_{- 0.12}^{+ 0.13}$ ${-13.04}^{+0.13}_{-0.12}$	${0.15}_{- 0.15}^{+ 0.39}$ ${0.15}^{+0.39}_{-0.15}$	${- 13.27}_{- 0.09}^{+ 0.10}$ ${-13.27}^{+0.10}_{-0.09}$	${1.59}_{- 0.32}^{+ 0.34}$ ${1.59}^{+0.34}_{-0.32}$	${- 16.52}_{- 0.54}^{+ 0.20}$ ${-16.52}^{+0.20}_{-0.54}$	${1.30}_{- 0.67}^{+ 1.47}$ ${1.30}^{+1.47}_{-0.67}$	≥10³
J1024−0719	X	X	${- 13.74}_{- 0.41}^{+ 0.33}$ ${-13.74}^{+0.33}_{-0.41}$	${3.38}_{- 1.10}^{+ 1.51}$ ${3.38}^{+1.51}_{-1.10}$	X	X	1.4
J1640+2224	${- 13.26}_{- 2.27}^{+ 0.18}$ ${-13.26}^{+0.18}_{-2.27}$	${0.28}_{- 0.27}^{+ 1.49}$ ${0.28}^{+1.49}_{-0.27}$	${- 14.26}_{- 1.77}^{+ 0.55}$ ${-14.26}^{+0.55}_{-1.77}$	${3.19}_{- 1.83}^{+ 3.71}$ ${3.19}^{+3.71}_{-1.83}$	${- 15.93}_{- 1.78}^{+ 0.19}$ ${-15.93}^{+0.19}_{-1.78}$	${1.79}_{- 0.86}^{+ 4.13}$ ${1.79}^{+4.13}_{-0.86}$	≥10³
J1713+0747	${- 13.87}_{- 0.43}^{+ 0.16}$ ${-13.87}^{+0.16}_{-0.43}$	${2.07}_{- 0.63}^{+ 1.83}$ ${2.07}^{+1.83}_{-0.63}$	${- 13.80}_{- 0.12}^{+ 0.11}$ ${-13.80}^{+0.11}_{-0.12}$	${1.72}_{- 0.50}^{+ 0.62}$ ${1.72}^{+0.62}_{-0.50}$	${- 15.88}_{- 1.23}^{+ 0.39}$ ${-15.88}^{+0.39}_{-1.23}$	${2.30}_{- 1.89}^{+ 2.53}$ ${2.30}^{+2.53}_{-1.89}$	16.0
J1730−2304	${- 13.83}_{- 1.63}^{+ 0.63}$ ${-13.83}^{+0.63}_{-1.63}$	${3.20}_{- 2.43}^{+ 3.46}$ ${3.20}^{+3.46}_{-2.43}$	${- 13.64}_{- 0.78}^{+ 0.30}$ ${-13.64}^{+0.30}_{-0.78}$	${2.19}_{- 1.21}^{+ 2.77}$ ${2.19}^{+2.77}_{-1.21}$	X	X	X
J1738+0333	${- 15.10}_{- 4.60}^{+ 2.21}$ ${-15.10}^{+2.21}_{-4.60}$	${3.72}_{- 3.52}^{+ 3.12}$ ${3.72}^{+3.12}_{-3.52}$	${- 13.05}_{- 0.51}^{+ 0.28}$ ${-13.05}^{+0.28}_{-0.51}$	${2.45}_{- 0.89}^{+ 1.52}$ ${2.45}^{+1.52}_{-0.89}$	X	X	X
J1744−1134	${- 13.34}_{- 0.30}^{+ 0.22}$ ${-13.34}^{+0.22}_{-0.30}$	${1.05}_{- 0.86}^{+ 1.20}$ ${1.05}^{+1.20}_{-0.86}$	${- 13.68}_{- 0.10}^{+ 0.10}$ ${-13.68}^{+0.10}_{-0.10}$	${1.69}_{- 0.32}^{+ 0.38}$ ${1.69}^{+0.38}_{-0.32}$	${- 15.90}_{- 0.25}^{+ 0.17}$ ${-15.90}^{+0.17}_{-0.25}$	${0.53}_{- 0.49}^{+ 0.92}$ ${0.53}^{+0.92}_{-0.49}$	124.0
J1857+0943	${- 15.62}_{- 4.15}^{+ 1.93}$ ${-15.62}^{+1.93}_{-4.15}$	${3.72}_{- 3.48}^{+ 3.09}$ ${3.72}^{+3.09}_{-3.48}$	${- 13.31}_{- 0.26}^{+ 0.14}$ ${-13.31}^{+0.14}_{-0.26}$	${1.88}_{- 0.53}^{+ 1.11}$ ${1.88}^{+1.11}_{-0.53}$	X	X	X
J1918−0642	${- 15.26}_{- 4.49}^{+ 1.90}$ ${-15.26}^{+1.90}_{-4.49}$	${3.45}_{- 3.21}^{+ 3.30}$ ${3.45}^{+3.30}_{-3.21}$	${- 14.48}_{- 1.15}^{+ 1.21}$ ${-14.48}^{+1.21}_{-1.15}$	${5.03}_{- 3.15}^{+ 1.86}$ ${5.03}^{+1.86}_{-3.15}$	${- 16.33}_{- 3.29}^{+ 1.28}$ ${-16.33}^{+1.28}_{-3.29}$	${3.34}_{- 2.96}^{+ 3.43}$ ${3.34}^{+3.43}_{-2.96}$	1.7

Notes. Median values with 95% confidence intervals are shown. The estimates are obtained using the favored noise models listed in Table 1.

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