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Table 2
Slopes of the [X/H] vs. Tc for different pairs of spectra.
Star – reference | WLS (all elements) | Bayesian (all elements) | WLS (refractories) | Bayesian (refractories) | ||||||
Slope± σ | 95% CI | P(F-stat) | Slope | 95% HPD | Slope± σ | 95% CI | P(F-stat) | Slope | 95% HPD | |
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ζ1 Ret_comb – Sun | −1.32 ± 2.28 | [−6.04, 3.40] | 0.567 | −1.32 | [−2.11, −0.46] | 5.40 ± 4.37 | [−3.78, 14.58] | 0.232 | 5.37 | [3.75, 6.99] |
ζ1 Ret_S16 – Sun | −3.83 ± 3.92 | [−11.96, 4.30] | 0.339 | −3.83 | [−5.67, −1.75] | −0.99 ± 5.84 | [−13.25, 11.28] | 0.868 | −1.01 | [−3.56, 1.75] |
ζ2 Ret_comb – Sun | −5.95 ± 2.66 | [−11.46, −0.44] | 0.036 | −5.95 | [−6.93, −4.84] | −1.81 ± 5.07 | [−12.45, 8.83] | 0.725 | −1.81 | [−3.78, −0.02] |
ζ2 Ret_S16 – Sun | −7.68 ± 3.19 | [−14.30, −1.07] | 0.025 | −7.68 | [−9.22, −6.12] | −7.16 ± 6.89 | [−21.63, 7.31] | 0.312 | −7.19 | [−10.22, −4.26] |
ζ1 Ret_comb – ζ2 Ret_comb | 3.41 ± 1.23 | [0.86, 5.96] | 0.011 | −3.41 | [−4.27, −2.52] | 4.88 ± 2.16 | [0.35, 9.41] | 0.036 | 4.88 | [3.45, 6.29] |
ζ1 Ret_S16 – ζ2 Ret_S16 | 3.77 ± 2.16 | [−0.71, 8.25] | 0.095 | −3.79 | [−5.37, −2.00] | 4.83 ± 3.42 | [−2.34, 12.01] | 0.174 | 4.86 | [2.52, 7.31] |
ζ1 Ret_b – ζ1 Ret_a | 2.35 ± 2.21 | [−2.24, 6.94] | 0.300 | 2.34 | [1.17, 3.62] | 4.83 ± 2.83 | [−1.12, 10.77] | 0.105 | 4.83 | [3.34, 6.44] |
ζ1 Ret_c – ζ1 Ret_a | −0.14 ± 0.84 | [−1.89, 1.61] | 0.867 | −0.14 | [−1.30, 0.99] | −0.22 ± 1.40 | [−3.16, 2.73] | 0.880 | −0.21 | [−1.91, 1.59] |
ζ1 Ret_c – ζ1 Ret_b | 1.13 ± 0.76 | [−0.45, 2.70] | 0.153 | 1.13 | [0.24, 2.00] | −0.28 ± 0.90 | [−2.18, 1.61] | 0.759 | −0.28 | [−1.45, 0.80] |
ζ2 Ret_b – ζ2 Ret_a | −1.60 ± 0.79 | [−3.24, 0.04] | 0.055 | −1.61 | [−3.09, −0.18] | −1.67 ± 1.04 | [−3.84, 0.51] | 0.125 | −1.68 | [−3.43, 0.12] |
ζ2 Ret_c – ζ2 Ret_a | −1.36 ± 0.76 | [−2.94, 0.22] | 0.087 | −1.35 | [−2.59, −0.17] | −0.35 ± 0.94 | [−2.33, 1.63] | 0.714 | −0.37 | [−2.16, 1.32] |
ζ2 Ret_c – ζ2 Ret_b | −1.86 ± 1.06 | [−4.05, 0.33] | 0.092 | −1.86 | [−3.24, −0.44] | 0.72 ± 1.37 | [−2.15, 3.59] | 0.603 | 0.70 | [−1.52, 3.09] |
Notes. Both frequentist and Bayesian approaches are chosen to derive the slopes and their uncertainties. The units of the slopes are in 10-5 dex K-1.
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