Table 5
Best-fitting α and β values of Eq. (4) for the B and R band rest-frame data.
| Band | α | β | α n = 4 | β n = 4 | α(βz = 0) | Δμ (mag) |
|
|
||||||
| z = 1.27 | ||||||
| ———- | ||||||
| B | 17.7 ± 0.1 | 3.2 ± 0.5 | 17.9 ± 0.2 | 2.7 ± 0.6 | 17.9 ± 0.2 | − 1.8 ± 0.2 |
| R | 17.0 ± 0.2 | 2.6 ± 0.7 | 17.6 ± 0.3 | 2.6 ± 0.7 | 16.9 ± 0.2 | − 1.3 ± 0.2 |
|
|
||||||
| z = 0 | ||||||
| ———- | ||||||
| B | 19.6 ± 0.2 | 3.3 ± 0.6 | 19.8 ± 0.3 | 3.0 ± 0.6 | 19.9 ± 0.3 | – |
| R | 18.6 ± 0.3 | 2.8 ± 0.7 | 19.0 ± 0.3 | 2.6 ± 0.7 | 18.5 ± 0.3 | – |
Notes. The first two columns report the values obtained by fitting the (Re, ⟨ μ ⟩ e) data derived with free index n while the third and the fourth columns report the values relevant to (Re,⟨ μ ⟩ e) obtained assuming the index n = 4. The upper section reports the values obtained by fitting the data at z = 1.27 while the lower section reports the values obtained by fitting the evolved data to z = 0 according to Eq. (11). The last column in the upper section reports the mean observed surface brightness evolution Δμ for a fixed slope. The values relevant to n = 4 case coincide with those obtained with free index n.
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