Table 4.
Linear fitting (i.e., y = a1 * x + a0) parameters and 1σ dispersions for vertical metallicity gradient.
| Fit | All | AllB | MRall | MPall | MRB | MPB |
|---|---|---|---|---|---|---|
| a0 | 0.099 | −0.042 | 0.345 | −0.281 | 0.254 | −0.367 |
| σa0 | 0.069 | 0.023 | 0.059 | 0.061 | 0.073 | 0.085 |
| a1 | −0.270 | 0.057 | −0.179 | −0.061 | 0.031 | 0.136 |
| σa1 | 0.198 | 0.058 | 0.165 | 0.174 | 0.182 | 0.212 |
| rms | 0.09 | 0.03 | 0.08 | 0.07 | 0.06 | 0.07 |
Notes. The overall rms of the residuals is given in the last row. The second column (All) shows the parameters for the full sample, the third one (AllB) for the full sample in the inner bulge without the GC, the fourth and fifth ones for the MR and the MP sub-samples including the GC, and columns six and seven for the MR and MP populations in the inner bulge without the GC.
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