Table 1
Constraints on the cosmological parameters.
| Calibrated GRB Hubble diagram and cosmology | ||||
|
|
||||
| Id | ⟨ x ⟩ |
|
68% CL | 95% CL |
|
|
||||
| Ωm | 0.24 | 0.19 | (0.12, 0.37) | (0.10, 0.58) |
| w 0 | −0.29 | −0.26 | (−0.5, −0.1) | (−1.01, 0.1) |
| w 1 | −0.12 | −0.13 | (−0.43, 0.19) | (−0.88, 0.6) |
| h | 0.74 | 0.74 | (0.69, 0.78) | (0.65,0.8) |
|
|
||||
| Ωm | 0.33 | 0.32 | (0.19, 0.49) | (0.12, 0.59) |
| ΩΛ | 0.66 | 0.677 | (0.51, 0.8) | (0.42, 0.87) |
| h | 0.74 | 0.74 | (0.70, 0.77) | (0.66, 0.79) |
| Ωk | −0.00049 | −0.00046 | (−0.007, 0.0064) | (−0.014, 0.013) |
Notes. Columns report the mean ⟨ x ⟩ and median values and the 68% and 95% confidence limits. The investigation of the CPL parametrization for the dark energy was performed assuming a flat universe (upper side). The analysis performed by assuming a non-zero spatial curvature is limited to the case w = −1 (non-flat ΛCDM). The GRB Hubble diagram alone provides 
, in agreement with the CMBR results.
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