Table 1
Radial abundance gradients measured in the RC RAVE sample for Fe, Mg, Al, Si, and Ti expressed as dex kpc-1 for four ranges of | Z |.
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(mock) |
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| 0.0 < | Z | (kpc) ≤ 0.4 | −0.054 ± 0.004 | −0.034 ± 0.004 | −0.035 ± 0.005 | −0.064 ± 0.005 | + 0.008 ± 0.004 | −0.049 ± 0.006 |
| 0.4 < | Z | (kpc) ≤ 0.8 | −0.039 ± 0.004 | −0.031 ± 0.004 | −0.032 ± 0.005 | −0.046 ± 0.004 | −0.005 ± 0.003 | −0.019 ± 0.005 |
| 0.8 < | Z | (kpc) ≤ 1.2 | −0.011 ± 0.008 | −0.023 ± 0.007 | −0.027 ± 0.009 | −0.028 ± 0.008 | −0.015 ± 0.006 | + 0.030 ± 0.009 |
| 1.2 < | Z | (kpc) < 2.0 | + 0.047 ± 0.018 | + 0.025 ± 0.015 | + 0.060 ± 0.022 | + 0.009 ± 0.018 | + 0.032 ± 0.017 | + 0.061 ± 0.012 |
Notes. For comparison, in the last column, the vertical [Fe/H] gradients of the mock sample are reported. Uncertainties of 68% confidence are obtained with the bootstrap method and represent the internal errors.
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