Separating deterministic and stochastic gravitational wave signals in realistic pulsar timing array datasets

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Volume 694 (February 2025)

A&A, 694 (2025) A194

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Table 3.

CGW recovered from datasets containing only a GWB or a CGW.

Dataset	$B_{PSRN}^{CGW}$ $\mathcal{B}^{\mathrm{CGW}}_{\mathrm{PSRN}}$	Recovered	Recovered
CGW frequency	CGW amplitude
injGWB01	> 1000	$2 . 70_{- 0.16}^{+ 0.05}$ $2.70^{+0.05}_{-0.16}$ nHz	$- 13 . 91_{- 0.35}^{+ 0.35}$ $-13.91^{+0.35}_{-0.35}$
injGWB02	> 1000	$1 . 7_{- 0.2}^{+ 0.2}$ $1.7^{+0.2}_{-0.2}$ nHz	$- 13 . 87_{- 0.22}^{+ 0.18}$ $-13.87^{+0.18}_{-0.22}$
injGWB03	> 1000	$2 . 1_{- 0.1}^{+ 0.1}$ $2.1^{+0.1}_{-0.1}$ nHz	$- 13 . 73_{- 0.13}^{+ 0.11}$ $-13.73^{+0.11}_{-0.13}$
injCGW5	> 1000	$5 . 01_{- 0.03}^{+ 0.06}$ $5.01^{+0.06}_{-0.03}$ nHz	$- 13 . 93_{- 0.14}^{+ 0.13}$ $-13.93_{-0.14}^{+0.13}$
injCGW20	> 1000	$19 . 99_{- 0.05}^{+ 0.05}$ $19.99^{+0.05}_{-0.05}$ nHz	$- 13 . 65_{- 0.10}^{+ 0.11}$ $-13.65^{+0.11}_{-0.10}$

Notes. Columns are dataset name, Bayes factor of PSRN + CGW versus PSRN only, median and 68% credible region of the recovered CGW frequency and amplitude.

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