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Table 2.
Best-fit spatial curvature (Ωk) and the corresponding 1σ uncertainties derived from different subsamples of SMBHBs based on H(z) simulated (H(z)simulate) data and three-, five-, and ten-year observations of TQ.
| H(z)simulate+TQ (M⊙) | Ωk(three-year) | Ωk(five-year) | Ωk(ten-year) |
|---|---|---|---|
| 103 ∼ 104 | 0.02 ± 0.23(1σ) | 0.00 ± 0.16(1σ) | −0.02 ± 0.13(1σ) |
| 104 ∼ 105 | −0.04 ± 0.19(1σ) | 0.04 ± 0.14(1σ) | −0.014 ± 0.097(1σ) |
| 105 ∼ 106 | −0.03 ± 0.25(1σ) | −0.04 ± 0.17(1σ) | −0.01 ± 0.12(1σ) |
| 106 ∼ 107 | −0.04 ± 0.4(1σ) | −0.05 ± 0.31(1σ) | −0.06 ± 0.2(1σ) |
| 103 ∼ 107 | 0.00 ± 0.12(1σ) | 0.00 ± 0.086(1σ) | −0.002 ± 0.061(1σ) |
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