Diffuse interstellar bands in Gaia DR3 RVS spectra - New measurements based on machine learning

Open Access

Table 1

Statistics of the differences in DIB parameters between GDR3, AS23, and this work.

	MED	RMSD	AD90
GDR3 – This work
𝒟₈₆₂₁	−0.002	0.006	0.009
λ₈₆₂₁ (Å)	0.073	0.353	0.564
σ₈₆₂₁ (Å)	0.164	0.469	0.773
EW₈₆₂₁ (Å)	−0.002	0.030	0.046

GDR3 – AS23
𝒟₈₆₂₁	0.002	0.004	0.007
λ₈₆₂₁(Å)	0.018	0.342	0.546
σ₈₆₂₁ (Å)	0.557	0.752	1.221
EW₈₆₂₁ (Å)	0.050	0.061	0.093

AS23 – This work
𝒟₈₆₂₁	−0.005	0.010	0.012
λ₈₆₂₁ (Å)	0.008	0.183	0.292
σ₈₆₂₁ (Å)	−0.293	0.433	0.663
EW₈₆₂₁ (Å)	−0.050	0.094	0.118

Notes. Columns: the median difference (MED), the root-mean-square difference (RMSD), and the absolute difference not exceeded by 90% of the sources (AD90).

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