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Table 1.
Mean values of model parameters with 1σ and 2σ errors and best-fit values from the joint constraint, whose results are obtained by the different combination of observational data sets CMB+CC (second column), CMB+JLA (third column), and CMB+JLA+CC (fourth column).
| Parameters | Means from CMB+CC | Best fit | Means from CMB+JLA | Best fit | Means from CMB+JLA+CC | Best fit |
|---|---|---|---|---|---|---|
| Ωbh2 |  |
0.02222 |  |
0.02226 |  |
0.02222 |
| 100θMC |  |
1.02889 |  |
1.02775 |  |
1.02786 |
| τ |  |
0.075 |  |
0.078 |  |
0.082 |
| ns |  |
0.9644 |  |
0.9684 |  |
0.9686 |
| ln(1010As) |  |
3.087 |  |
3.094 |  |
3.103 |
| Bs |  |
0.639 |  |
0.731 |  |
0.725 |
| α |  |
−0.1576 |  |
−0.0194 |  |
−0.1105 |
| B |  |
0.0007 |  |
0.0007 |  |
0.0015 |
| H0 |  |
64.74 |  |
68.57 |  |
68.07 |
| Age/Gyr |  |
13.850 |  |
13.738 |  |
13.721 |
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