Beyond Gaia DR3: Tracing the [α/M] – [M/H] bimodality from the inner to the outer Milky Way disc with Gaia-RVS and convolutional neural networks

Open Access

Table 2

Atmospheric parameters, chemical abundance ratios, uncertainties, and boundary flag of the publicly available online catalogue of 886080 Gaia-RVS stars.

Col	Format	Units	Label	Explanations
1	char	–	sourceid	Gaia Source ID
2	float	K	teff	Effective temperature
3	float	K	eteff	Model-to-model dispersion of T_eff
4	float	K	sigma_teff	Overall dispersion of T_eff
5	float	cm s⁻²	logg	Surface gravity
6	float	cm s⁻²	elogg	Model-to-model dispersion of log(g)
7	float	cm s⁻²	sigma_logg	Overall dispersion of log(g)
8	float	dex	mh	Overall metallicity
9	float	dex	emh	Model-to-model dispersion of [M/H]
10	float	dex	sigma_mh	Overall dispersion of [M/H]
11	float	dex	feh	[ Fe/ H] ratio
12	float	dex	efeh	Model-to-model dispersion of [ Fe/ H]
13	float	dex	sigma_feh	Overall dispersion of [ Fe/H]
14	float	dex	alpham	[α/M] ratio
15	float	dex	ealpham	Model-to-model dispersion of [α/M]
16	float	dex	sigma_alpham	Overall dispersion of [α/ M]
17	int	–	flag_boundary	Boundary flag composed of 8 digits

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