Gaia Data Release 3 - Chemical cartography of the Milky Way

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Volume 674 (June 2023)

A&A, 674 (2023) A38

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Gaia Data Release 3

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Table 1.

Radial metallicity and [α/Fe] gradients for R > 7 kpc and all of the stellar types, at different distances from the plane.

	[M/H]				[α/Fe]
⟨Z⟩	a	b	e_a	e_b	a	b	e_a	e_b
(kpc)	(dex kpc⁻¹)	(dex)	(dex kpc⁻¹)	(dex)	(dex kpc⁻¹)	(dex)	(dex kpc⁻¹)	(dex)
0.17	−0.055	0.418	0.007	0.058	0.007	−0.062	0.001	0.007
−0.17	−0.057	0.436	0.007	0.061	0.007	−0.063	0.001	0.006
0.66	−0.024	0.055	0.004	0.034	−0.002	0.034	0.001	0.006
−0.65	−0.039	0.174	0.003	0.029	−0.000	0.024	0.001	0.005
1.17	−0.006	−0.204	0.004	0.038	−0.010	0.140	0.001	0.011
−1.17	−0.014	−0.151	0.004	0.033	−0.011	0.144	0.001	0.008
1.68	−0.005	−0.283	0.003	0.027	−0.014	0.195	0.002	0.014
−1.67	−0.010	−0.242	0.003	0.025	−0.014	0.192	0.001	0.007
2.18	0.002	−0.388	0.004	0.031	−0.017	0.238	0.002	0.014
−2.18	−0.009	−0.310	0.004	0.040	−0.016	0.228	0.002	0.019

Notes. The (a, b) columns refer to the linear coefficients of the fit and the (e_a, e_b) ones to their associated errors.

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