Table 4
Mean values for the gradient slope in the different stellar population parameters for barred and unbarred galaxies.
| Gradient | Mean | RMS | RMSexp | Ngal |
|
|
||||
| MW age (barred) | 0.011 | 0.040 | 0.001 | 28 |
| MW age (unbarred) | −0.008 | 0.044 | 0.002 | 27 |
|
|
||||
| LW age (barred) | −0.017 | 0.059 | 0.002 | 28 |
| LW age (unbarred) | −0.051 | 0.103 | 0.002 | 27 |
|
|
||||
| MW [Z/H] (barred) | −0.092 | 0.067 | 0.002 | 25 |
| MW [Z/H] (unbarred) | −0.063 | 0.083 | 0.003 | 23 |
|
|
||||
| MW [Z/H] (barred) | −0.040 | 0.068 | 0.002 | 26 |
| MW [Z/H] (unbarred) | −0.013 | 0.043 | 0.002 | 25 |
Notes. Third column indicate the root-mean-square dispersion among the mean values and forth column the dispersion expected by the measured errors in the gradients. Last column indicate the number of galaxies used to calculate these values.
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