Open Access

Table A.7.

Change with age of the [Fe/H] radial and azimuthal gradients studied with a multilinear regression at Sect. 4.5.

Radial gradient Radial and azimuthal gradients
Sample Age bin δ[Fe/H]/δRGC δ[Fe/H]/δΦ N Spearman
[Ga] [dex kpc−1] [dex deg−1]
OCCASO 0.1 - 1 -0.022±0.007 -0.0034±0.0016 15 0.33
OCCASO 1 - 2 -0.069±0.016 0.0048±0.0026 11 0.83
OCCASO 2 - 3 -0.026±0.038 -0.0024±0.0049 4 0.34
OCCASO 3 - 7.3 -0.101±0.019 0.0003±0.0043 5 0.87

OCCASO+ 0.1 - 1 -0.051±0.004 0.0001±0.0007 39 0.79
OCCASO+ 1 - 2 -0.060±0.004 -0.0003±0.0007 29 0.87
OCCASO+ 2 - 3 -0.041±0.004 0.0026±0.0008 14 0.92
OCCASO+ 3 - 7.3 -0.088±0.008 0.003±0.0019 15 0.83

Myers et al. (2022) 0.1 - 1 -0.053±0.002 0.0016±0.0002 39 0.74
Myers et al. (2022) 1 - 2 -0.056±0.002 0.0000±0.0004 20 0.91
Myers et al. (2022) 2 - 3 -0.026±0.005 0.0063±0.0007 11 0.92
Myers et al. (2022) 3 - 7.3 -0.046±0.002 0.0074±0.0006 12 0.84

Spina et al. (2021) 0.1 - 1 -0.064±0.002 0.0007±0.0002 57 0.80
Spina et al. (2021) 1 - 2 -0.062±0.005 0.0003±0.0007 22 0.77
Spina et al. (2021) 2 - 3 -0.041±0.003 0.0052±0.0005 10 0.97
Spina et al. (2021) 3 - 7.3 -0.060±0.003 0.0037±0.0009 16 0.78

GES23 0.1 - 1 -0.044±0.006 -0.0014±0.0011 23 0.76
GES23 1 - 2 -0.058±0.005 0.0005±0.0011 17 0.88
GES23 2 - 3 -0.048±0.015 0.0057±0.0026 7 0.86
GES23 3 - 7.3 -0.038±0.004 0.0072±0.0012 12 0.77

Gaia DR3 0.1 - 1 -0.050±0.003 0.0002±0.0004 303 0.43
Gaia DR3 1 - 2 -0.056±0.008 -0.0012±0.0008 48 0.52
Gaia DR3 2 - 3 -0.079±0.012 0.0000±0.0014 25 0.57
Gaia DR3 3 - 7.3 -0.067±0.019 0.0041±0.0017 13 0.71

Notes. We analyzed the OCCASO and OCCASO+ samples and reanalyzed the others. Number of OCs and Spearman correlation coefficient (sixth and seventh columns).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.