Inferring stellar parameters and their uncertainties from high-resolution spectroscopy using invertible neural networks

Open Access

Table 3

Statistics of the distribution of the uncertainties in OssicoNN and GES for the reduced catalogue dataset.

	ϵ T_eff					ϵ log (𝑔)					ϵ [Fe/H]

	med	mean	std	p15	p85	med	mean	std	p15	p85	med	mean	std	p15	p85
OssicoNN	55	101	124	22	194	0.08	0.13	0.15	0.04	0.25	0.05	0.07	0.08	0.02	0.11
GES	64	64	11	53	66	0.15	0.15	0.02	0.14	0.16	0.07	0.08	0.02	0.07	0.10

	ϵ [Al/H]					ϵ [Mg/H]					ϵ [Ca/H]

	med	mean	std	p15	p85	med	mean	std	p15	p85	med	mean	std	p15	p85

OssicoNN	0.07	0.10	0.10	0.04	0.17	0.06	0.12	0.25	0.04	0.20	0.16	0.21	0.14	0.10	0.34
GES	0.09	0.12	0.13	0.03	0.19	0.10	0.14	0.16	0.05	0.22	0.20	0.24	0.18	0.10	0.34

	ϵ [Ni/H]					ϵ [Ti/H]					ϵ [Si/H]

	med	mean	std	p15	p85	med	mean	std	p15	p85	med	mean	std	p15	p85

OssicoNN	0.16	0.19	0.17	0.10	0.26	0.17	0.19	0.18	0.09	0.26	0.15	0.36	0.72	0.09	0.56
GES	0.21	0.27	0.21	0.12	0.44	0.20	0.25	1.1	0.11	0.34	0.11	0.16	0.72	0.09	0.18

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